Illinois — Tax & Mortgage Foreclosure

Legal information, not legal advice. Verify against the cited primary sources before acting. Last verified: 2026-06-10.

MAJOR FLUX WARNING (2025–2026). Illinois’s tax-sale system is in active constitutional and legislative reform. In December 2025 a federal court held the Cook County tax-sale system unconstitutional under the Fifth and Eighth Amendments (bell-v-pappas-2025), and in May 2026 the General Assembly passed a reform bill (House Bill 4537) to return surplus equity to former owners and bring Illinois into tyler-v-hennepin-county compliance. Several figures below (post-2026 fee schedule, surplus-equity fund, extended redemption) reflect that pending bill and are flagged in module 11 until the enacted public-act text is verified.

0. Identity & Classification

• Recording unit: county (count: 102)
• Tax sale type: tax lien certificate (a “certificate of purchase”; the buyer later petitions the circuit court for a tax deed if the property is not redeemed). Illinois is a hybrid certificate→deed state.
• Tax foreclosure process: judicial-overlay administrative — the county collector obtains an annual judgment and order of sale from the circuit court (35 ILCS 200/21-150 et seq.); the sale is conducted by the collector, and the certificate holder must petition the circuit court for the tax deed (35 ILCS 200/22-30 et seq.).
• Mortgage foreclosure process: judicial (735 ILCS 5/15-1101 et seq., Article XV).
• Selling authority: county collector / county treasurer (the treasurer is ex officio county collector).
• Statutory home: Property Tax Code, 35 ILCS 200/ (tax sale, redemption, tax deeds, indemnity fund) — https://www.ilga.gov/legislation/ilcs/ilcs5.asp?ActID=596&ChapterID=8; Mortgage Foreclosure, 735 ILCS 5/ Article XV.
• Tyler v. Hennepin compliance: non_compliant → reformed_post_Tyler (in transition). Historically Illinois retained the homeowner’s surplus equity: the tax buyer paid only the delinquent taxes/penalties and, on non-redemption, received a tax deed for the entire property regardless of value — the former owner received nothing absent an indemnity-fund claim. A federal court held this unconstitutional in bell-v-pappas-2025 (Dec. 2025), and HB4537 (passed May 2026, awaiting signature) creates a surplus-equity mechanism. Until the act is signed and effective, the operative statutes still embody the non-compliant model. See tyler-v-hennepin-county.

1. Tax Sale Mechanics

• What is sold: lien certificate (“certificate of purchase”). Two sale tracks: the annual tax sale (current-year delinquencies) and the scavenger sale (parcels delinquent 3+ years / unsold at annual sale, 35 ILCS 200/21-260).
• Bidding method: bid-down-the-penalty. “The person at the sale offering to pay the amount due on each property for the least penalty percentage shall be the purchaser.” No bid may exceed 18% per penalty period. (35 ILCS 200/21-215) (needs_verification — penalty-cap framing. The current statutory text of 35 ILCS 200/21-215 caps the bid at “18% of the amount of the tax or special assessment” (confirmed via Rock Island County statute reproduction and ILGA, retrieved 2026-06-10). Some county materials describe a 9% maximum per penalty PERIOD with the penalty applied per six-month period; reconcile whether 18% is the absolute per-period cap or whether a 9%/period convention applies locally. NOTE: P.A. 102-363 amended 21-215 by RAISING the cap from 9% to 18% — it did not reduce 18% to 9%. Any claim that the current cap is 9% is incorrect.)
• Interest / penalty: the winning penalty bid is a per-period penalty (not simple annual interest); it multiplies as the redemption period runs — see §2. (35 ILCS 200/21-355)
• Minimum bid composition: delinquent tax principal + special assessments + interest + penalties + costs and fees of sale (the “certificate amount”); plus a nonrefundable fee. (35 ILCS 200/21-355; 21-295)
• Sale frequency: annual (each county) plus periodic scavenger sales.
• Typical month: varies by county; held after the annual judgment and order of sale. (Exact statewide timing window — needs_verification.)
• Venue: both in-person and online, by county practice.
• Platform vendors: county-specific (e.g., Cook County uses RAMS-2 / online vendors). (Vendor list — needs_verification.)
• Registration & deposit: county-specific; registration and deposit required in advance. (Statewide rule — needs_verification.)
• Subsequent taxes (“subs”): the certificate holder may pay later-accruing delinquent taxes and add them to the redemption amount with a 12% penalty per year or portion thereof between payment and redemption. (35 ILCS 200/21-355)

2. Right of Redemption → see right-of-redemption

• Pre-sale right: the owner may pay the delinquency at any time before the sale to avoid it. (35 ILCS 200/21-150 et seq.)
• Post-sale period (runs from the date of sale): (35 ILCS 200/21-350)
  • General rule: 2.5 years from the date of sale.
  • 1 year if, on the date of sale, the property is vacant non-farm property, commercial/industrial property, or a structure with 7+ residential units.
  • The certificate holder may extend the redemption deadline, but not beyond 3 years from the date of sale. (35 ILCS 200/21-385)
  • (Current statute (effective for certificates issued on or after January 1, 2024) uses the 2.5-year general / 1-year vacant-commercial structure confirmed by the ILGA text retrieved 2026-06-10. HB4537 (passed 5/30/2026, awaiting governor’s signature as of 2026-06-10) proposes extending the general period by ~6 months for eligible homestead parcels in the Cook County pilot; that extension is not yet effective. Interaction with HB4537 remains needs_verification pending enactment.)
• Who may redeem: owners, occupants, and any party with a legal or equitable interest (including mortgagees, lienholders, heirs). (35 ILCS 200/21-345, 21-350)
• Redemption amount formula: certificate amount + the penalty bid times a period multiplier: ×1 (0–6 mo), ×2 (6–12 mo), ×3 (12–18 mo), ×4 (18–24 mo), ×5 (24–30 mo), ×6 (30–36 mo); plus 12% per year on subsequently-paid taxes; plus county clerk, circuit clerk, sheriff, publication, and other statutory fees. (35 ILCS 200/21-355)
• Premium to certificate holder: the escalating penalty multiplier (above) is the holder’s return; it is paid out of the redemption money to the holder.
• Procedure: redemption is made by deposit with the county clerk, who issues a redemption receipt and pays the certificate holder. (35 ILCS 200/21-355, 21-360)
• Extinguishment: the right of redemption is cut off when it expires unredeemed and the circuit court issues an order directing the county clerk to issue a tax deed (35 ILCS 200/22-40); proper take-notice service is a precondition (35 ILCS 200/22-5, 22-10).
• Special tolling: the indemnity fund (10-year claim window) backstops owners who lose property despite the redemption scheme.
  • SCRA (military): Federal law (50 U.S.C. §3991) expressly provides that “[a] period of military service may not be included in computing any period provided by law for the redemption of real property sold or forfeited to enforce an obligation, tax, or assessment.” Accordingly, the Illinois redemption period is tolled for the duration of the servicemember’s active military service. (50 U.S.C. §3991 — SCRA Subchapter V, Taxes and Public Lands; uscode.house.gov, retrieved 2026-06-10. Note: §3953 governs mortgage/trust-deed foreclosure stays, not tax-sale redemption tolling.)
  • (Minors/incompetents tolling specifics — needs_verification: 35 ILCS 200/21-350 does not contain a tolling provision; any tolling for minors/incompetents would arise from general civil procedure limitations tolling (735 ILCS 5/13-211) — applicability to tax-sale redemption not confirmed in retrieved primary sources.)

3. Surplus / Excess Proceeds → see surplus-funds, third-party-recovery-rules

• Belongs to (historical, pre-reform): effectively the tax buyer captured the equity — there is no traditional surplus pool in an Illinois tax sale because the buyer pays only the taxes and, on non-redemption, takes a deed to the whole parcel. The former owner’s only remedy was the Indemnity Fund. This is the exact mechanism held unconstitutional in bell-v-pappas-2025.
• Indemnity Fund (the surrogate for surplus):
  • Belongs to: former owners who “sustain loss or damage by reason of the issuance of a tax deed.” (35 ILCS 200/21-305)
  • Filing venue: petition in the circuit court that issued the tax deed, naming the County Treasurer (as trustee) as defendant. (35 ILCS 200/21-305)
  • Claim deadline: within 10 years after the tax deed was issued. (35 ILCS 200/21-305)
  • Recovery cap: owner-occupied residential (≤4 units) — equitable award up to $99,000 (more if no fault/negligence shown); other property — fair cash value minus mortgages/liens, if no fault/negligence. (35 ILCS 200/21-305)
  • Fund source: a fee on each tax purchase — up to $20 per item in counties under 3 million; in Cook County / 3 million+ counties a nonrefundable$80 fee per item plus 5% of taxes, interest, and penalties. County Treasurer is trustee and invests the fund. (35 ILCS 200/21-295)
• Pending reform (HB4537, May 2026, not yet effective): creates a surplus-equity fund funded by tax-buyer fees so that former owners “recoup some of the surplus once those properties are sold,” extends initial redemption by ~6 months, and establishes a Cook County 6-year pilot acquiring up to 100 certificates on low-tax homestead parcels. (Public-act number and effective date — needs_verification.)
• Escheat / forfeiture: unredeemed parcels not sold can be forfeited to the taxing bodies; the State Treasurer’s unclaimed-property regime does not house a tax-sale “surplus” because none is generated under the historical model.
• Documentation required (indemnity claim): proof of ownership/interest, the tax deed and order, loss/damage, and (for above-equitable awards) absence of fault/negligence. (35 ILCS 200/21-305)
• Third-party recovery (recovery-agent rules):
  • fee_cap_pct: null — Illinois has no general statutory percentage cap on surplus/indemnity recovery-agent fees in the Property Tax Code as retrieved. (needs_verification — confirm whether the Surplus-Funds / finder statutes or HB4537 impose a cap.)
  • licensing_required: unclear / needs_verification.
  • assignment_of_claim_allowed: certificates of purchase are freely assignable (e.g., GAN C → Blossom63 in county-collector-blossom63-2022); assignment of indemnity claims — needs_verification.
  • cooling_off_period / contract_disclosure / prohibited_practices: needs_verification.
• Notice to former owner required? Yes for the tax-deed stage (take-notice, 35 ILCS 200/22-10). Dedicated former-owner surplus notice did not exist under the historical no-surplus model; HB4537 may add one (needs_verification).

▸ For Investors / Operators — Illinois is a certificate→deed state: the buyer wins a certificate of purchase by bidding down the penalty (max 9%/period, 35 ILCS 200/21-215) and later petitions the circuit court for a tax deed. Before committing capital, weigh the redemption risk (§2/2b — 2.5-year general / 1-year vacant-commercial period, extendable to 3 years; the escalating penalty multiplier is the return; the certificate is freely assignable by endorsement under 35 ILCS 200/21-250), the path to marketable/insurable title (§5b — the tax deed conveys “merchantable title” by court order under 35 ILCS 200/22-40 but is excluded from the Marketable Title Act, so insurers commonly require quiet title), and which liens survive (§7b — IRS § 7425, senior pre-tax-lien mortgages, condo assessment liens junior to the tax lien). Note the active constitutional flux (bell-v-pappas-2025; HB4537) flagged above and in §11b.

▸ For Former Owners — Illinois historically generated no traditional surplus pool — the tax buyer paid only the taxes and, on non-redemption, took a deed to the whole parcel, so the former owner’s remedy was the Indemnity Fund (35 ILCS 200/21-305): a petition in the circuit court that issued the tax deed, naming the County Treasurer as trustee, filed within 10 years of the deed (owner-occupied residential award up to $99,000). bell-v-pappas-2025 held the historical no-surplus model unconstitutional, and HB4537 (May 2026, awaiting signature) would create a surplus-equity fund — both flagged for verification in §11. The right-of-redemption section (§2) covers paying off the certificate to keep the property.

4. Mortgage Foreclosure → see sheriff-sale

• Process: judicial (735 ILCS 5/ Article XV, “Illinois Mortgage Foreclosure Law”).
• Timeline (key statutory milestones):
  • Grace period: lender generally must allow the loan to go ~120 days delinquent (federal servicing rules) before filing; then files a foreclosure complaint in circuit court.
  • Reinstatement: the borrower may reinstate (cure the default and pay costs) within 90 days after being served with summons or by publication. (735 ILCS 5/15-1602)
  • Redemption after judgment: ends on the later of (a) 7 months from the date the mortgagor was served or submitted to jurisdiction, or (b) 3 months from entry of the foreclosure judgment. (735 ILCS 5/15-1603) Shorter periods apply to abandoned/commercial property.
  • Sale & confirmation: judicial sale may not occur until the redemption period expires; the court must then enter an order confirming the sale (735 ILCS 5/15-1508).
• Deficiency judgment: allowed; personal deficiency is fixed at the confirmation of sale (e.g., debt minus sale price), unless waived or discharged in bankruptcy. (735 ILCS 5/15-1508, 15-1511)
• Surplus distribution: sale proceeds are applied to (1) sale expenses, (2) costs of securing/maintaining the property, (3) claims in the priority order of the foreclosure judgment, and (4) surplus held by the court until a party obtains an order for distribution; unclaimed surplus is ultimately forfeited to the State. (735 ILCS 5/15-1512) — this is a genuine surplus pool, unlike the tax side.
• Sale officer: sheriff (or a court-appointed selling officer / judicial sales corporation).

5. Sale Procedure Playbooks

• Tax sale (county collector) — ordered steps: → see treasurer-sale
  1. Taxes go delinquent; county collector publishes the delinquent list and mails notice ≥15 days before applying for judgment.
  2. Collector applies to the circuit court for judgment and order of sale (35 ILCS 200/21-150 et seq.).
  3. Annual tax sale held; buyer bids down the penalty (max 9%/period, 35 ILCS 200/21-215) and receives a certificate of purchase after paying the amount due + indemnity fee (35 ILCS 200/21-295).
  4. Redemption period runs (2.5 yr general / 1 yr vacant-commercial; extendable to 3 yr) (35 ILCS 200/21-350, 21-385).
  5. Buyer serves the take-notice (35 ILCS 200/22-5, 22-10) and petitions the circuit court for a tax deed (35 ILCS 200/22-30 et seq.).
  6. If unredeemed and notice was strict-compliant, court orders the county clerk to issue a tax deed (35 ILCS 200/22-40).
• Sheriff sale (mortgage) — ordered steps: → see sheriff-sale complaint → service → reinstatement (90 days) / redemption (later of 7 mo / 3 mo) → judgment of foreclosure → sheriff’s sale → order confirming sale → deed/possession (735 ILCS 5/15-1506, 15-1508, 15-1603).
• Notice requirements: tax — collector’s published delinquent list + mailed pre-judgment notice; take-notice served not less than 3 nor more than 6 months before redemption expires, in ≥10-point type with statutorily-fixed contents (35 ILCS 200/22-10). Mortgage — service of summons + published notice of sale.
• Upset-bid / confirmation: tax — no upset-bid; the court’s tax-deed order is the control point. Mortgage — court confirmation of sale required (735 ILCS 5/15-1508).
• Payment terms: tax — full payment of amount due at sale before certificate issues. Mortgage — per sale notice (cashier’s check/deposit).
• Deed issued: tax — tax deed by court order via county clerk (see §7). Mortgage — judicial sale deed after confirmation.

6. Due Process & Notice → see due-process-notice

• Standard: Illinois requires strict compliance with the Property Tax Code’s notice provisions for tax deeds (35 ILCS 200/22-5, 22-10, 22-15), measured against the federal floor of mullane-v-central-hanover (“reasonably calculated”), mennonite-v-adams (actual mailed notice to record mortgagees), and jones-v-flowers (additional steps after returned mail).
• Required attempts: publication + mailed take-notice to owners, occupants, and parties of record; personal service attempts on owners/occupants by the sheriff (35 ILCS 200/22-15). Diligent inquiry of the public record is required.
• Consequence of defective notice: the tax deed is voidable (subject to the Tax Code’s incontestability/fraud framework, 35 ILCS 200/22-45); a deed procured by failure to disclose material facts can be set aside for fraud.
• Leading cases: county-collector-blossom63-2022 (strict-compliance scope), bell-v-pappas-2025 (Takings/Excessive Fines), mullane-v-central-hanover, mennonite-v-adams, jones-v-flowers.

7. Title & Marketability

• Deed warranty level: a tax deed conveys merchantable title by operation of the court order under 35 ILCS 200/22-40. The ATG Illinois Tax Deeds publication (retrieved 2026-06-10) quotes the operative standard as: “All tax deeds convey merchantable title.” It is not a warranty deed but the statute deems it to convey merchantable title when the proceedings are regular. (35 ILCS 200/22-40; ATG Illinois Tax Deeds, https://www.atgf.com/tools-publications/pubs/illinois-tax-deeds, retrieved 2026-06-10.)
• Marketable immediately? Generally yes by statute upon proper issuance, but title insurers commonly require a quiet-title action or seasoning before insuring.
• Quiet title required? Practically often yes for title-insurance purposes, though not strictly required to convey title.
• SOL to challenge the deed: Tax deeds are incontestable except by direct appeal or a petition under 735 ILCS 5/2-1401. The general 2-1401 period is 2 years from the date of the order. Grounds for 2-1401 relief are limited by 35 ILCS 200/22-45 to: (1) taxes paid before sale, (2) property exempt from taxation, (3) fraud/deception by the purchaser (clear-and-convincing standard), (4) recorded interest holder not named in publication notice despite diligent inquiry. Special rule: in Cook County (3M+ inhabitants), a deed may also be voided on petition filed within 3 months of the tax-deed order if the property was owner-occupied and the deed was due to a negligent or willful error by a county clerk/collector employee. (35 ILCS 200/22-45; 735 ILCS 5/2-1401; In re Application of the County Collector, 281 Ill App 3d 467, 667 NE2d 109 (2d Dist. 1996) — held that 22-45’s original limitation on grounds for relief was unconstitutional; 2-1401 is now the operative vehicle.) Indemnity claims run 10 years from the deed (35 ILCS 200/21-305).
• Title insurance availability: available but underwriting-dependent (often requires quiet title); the bell-v-pappas-2025 / HB4537 turmoil increases insurer caution.
• Common defects: defective take-notice service; missed parties of record; bankruptcy-stay violations; sale-in-error grounds (35 ILCS 200/21-310); and now constitutional (surplus-equity) challenges.

8. Case Law (real, verified)

Topic coverage: due_process ✓ (Blossom63; Bell), sale_procedure ✓ (Blossom63), surplus ✓ (Bell; Tyler). redemption — covered statutorily and touched in Blossom63 (take-notice/redemption interplay) but a dedicated verified redemption-holding case is flagged in needs_verification.

9. Edge Cases (state-specific notes)

• bankruptcy-automatic-stay — a bankruptcy petition filed by/against the owner before the tax sale is a mandatory sale-in-error ground; filed after the sale but before the deed is a discretionary sale-in-error ground at the certificate holder’s request. (35 ILCS 200/21-310)
• federal-tax-lien-redemption — if the United States holds an interest the tax deed cannot eliminate, that is a discretionary sale-in-error ground. (35 ILCS 200/21-310)
• heirs-property — heirs and equitable owners are parties entitled to redeem and to take-notice; diligent record inquiry must locate them.
• Sale in error (state-specific): broad mandatory grounds (property not taxable, void lien, prior payment, double assessment, void description, official error, government-owned, military-extension owner) plus discretionary grounds (post-sale bankruptcy, substantial destruction of improvements, U.S. interest, unknown environmental contamination). Buyer is refunded the amount paid except the nonrefundable $80 fee, plus ordered interest/costs. (35 ILCS 200/21-310)
• Substantial destruction / contamination — improvements destroyed after sale, or undisclosed hazardous substances (excluding grease traps), are discretionary sale-in-error grounds. (35 ILCS 200/21-310)
• Tyler-equity / constitutional — post-bell-v-pappas-2025, any tax deed that captures equity far exceeding the tax debt is exposed to Takings/Excessive-Fines challenge pending HB4537 implementation.

10. Operations

• Where records live: county Treasurer/Collector (delinquency, sale, certificates), county Clerk (redemption, tax-judgment-sale-redemption-and- forfeiture record, tax deeds), Circuit Court (judgment & order of sale, tax-deed petitions, foreclosure), county Recorder (recorded deeds).
• Public portals: Illinois General Assembly statutes https://www.ilga.gov/legislation/ilcs/ilcs5.asp?ActID=596&ChapterID=8; Cook County Treasurer https://www.cookcountytreasurer.com; county clerk redemption desks (e.g., DuPage https://www.dupagecounty.gov).
• Typical costs: nonrefundable indemnity fee ($20 / item in <3M counties; $80 + 5% in Cook & 3M+ counties) (35 ILCS 200/21-295); plus statutory clerk/sheriff/ publication fees rolled into the certificate/redemption amount.
• Typical timelines: redemption 1–2.5 years (extendable to 3); tax-deed petition in the final months before redemption expires; mortgage foreclosure ~7+ months minimum to divest a homestead.
• Key agencies: County Treasurer/Collector; County Clerk; Circuit Court (county Chancery/Tax division); County Recorder.
• Useful forms: TAKE NOTICE forms (35 ILCS 200/22-10, 22-15); petition for tax deed (35 ILCS 200/22-30); sale-in-error petition (35 ILCS 200/21-310); indemnity petition (35 ILCS 200/21-305). (Form numbers vary by county.)

2b. Redemption Advanced

Assignability of the Statutory Redemption Right

• Assignable: Yes. Under 35 ILCS 200/21-345, the right to redeem belongs to “the owner or any person interested in the property” including mortgagees and lienholders. Illinois courts have treated this right as transferable because any person with a legal or equitable interest may redeem; a third party may purchase (or take an assignment of) the owner’s interest and thereby acquire standing to redeem. There is no express statutory prohibition on assignment of the redemption right itself.
• Restrictions: The statute speaks of parties with a legal or equitable interest in the property — a bare stranger with no interest cannot redeem. A third-party purchaser must either (a) acquire a property interest or (b) act as agent or assignee of an eligible party. (35 ILCS 200/21-345, 21-350)
• Purchase mechanism: Assignment by deed or agreement; no court approval required. The county clerk administers redemption payments without inquiry into title chain of the redeeming party beyond a facially valid interest.
• needs_verification: No Supreme Court or Appellate Court case explicitly holding a bare stranger’s redemption-right purchase valid has been independently retrieved; the assignability inference is drawn from the broad “any person interested” language.

Equitable Redemption (Distinct from Statutory)

• Distinct from statutory: Yes, but the distinction is narrower than in many states. Illinois recognizes equitable principles in its tax-sale system through the broad “legal or equitable interest” language in 35 ILCS 200/21-345. A borrower’s equitable interest (mortgagor before foreclosure) is expressly within the redemption class.
• Pre-sale vs. post-sale: The equitable right to prevent a sale by paying delinquent taxes runs until the sale. Post-sale, only the statutory period (35 ILCS 200/21-350) applies.
• Notes: The circuit court’s equity jurisdiction is also invoked when a tax deed petitioner seeks to void the deed on grounds of fraud (35 ILCS 200/22-45). The ATG publication confirmed that courts “construe [tax deed procedures] strictly and in favor of the delinquent taxpayer/owner.” Source: ATG Illinois Tax Deeds (https://www.atgf.com/tools-publications/pubs/illinois-tax-deeds, retrieved 2026-06-02).

Installment Redemption

• Permitted: Not by statute. The redemption amount under 35 ILCS 200/21-355 must be paid in full at the county clerk’s office; no installment-redemption provision was located in the retrieved Property Tax Code text. (needs_verification — confirm that no county-specific installment program exists.)

Assignment of the Tax Certificate/Deed Mid-Redemption

• Permitted: Yes, expressly. “A certificate of purchase shall be assignable by endorsement. An assignment shall vest in the assignee or his or her legal representatives all the right and title of the original purchaser.” (35 ILCS 200/21-250; confirmed by SMLG Law, Purchase/Assignment of Real Estate Tax Sale Certificates, https://www.smlg.law/real-estate-tax-certificates-purchases, retrieved 2026-06-02)
• Restrictions: Recording the assignment with the county clerk is voluntary but practically essential — unrecorded assignments risk notices (take-notice, court filings) going to the original purchaser and jeopardizing the deed petition.
• Statute: 35 ILCS 200/21-250.

3b. Surplus Advanced

Illinois context: Illinois historically had no true surplus pool (the tax buyer took the whole property; the former owner’s only remedy was the indemnity fund). HB4537 (May 2026, awaiting signature) will create a surplus-equity fund, but the fund mechanics are not yet enacted. This module addresses the indemnity fund as the operative surrogate for “surplus” and anticipates the HB4537 regime where items are flagged.

Claim Assignability

• Full assignment permitted: needs_verification. The indemnity fund statute (35 ILCS 200/21-305) grants the right to petition to “any person claiming indemnity” who “sustain[s] loss or damage.” Whether the owner can fully assign this claim to a third party (rather than retaining a fee-agreement relationship) has not been resolved in retrieved primary sources.
• Assignment vs. fee agreement: Illinois has no general statutory cap on recovery-agent fees for indemnity claims (confirmed needs_verification in existing module 3). A contingency fee agreement is the operative form used in practice; full assignment of the claim is legally uncertain. Under Illinois common-law champerty principles (which Illinois largely abolished for modern commercial purposes), an assignment of a tort-like indemnity claim to a stranger could be scrutinized, but no retrieved case law rules it void.
• Fee cap on assignments: No statutory cap identified in retrieved sources. (needs_verification — HB4537 may impose a cap on the future surplus-equity fund.)
• Statute: 35 ILCS 200/21-305.

Statute of Limitations on Indemnity/Surplus Claims

• Period: 10 years.
• Trigger date: “within 10 years after the tax deed was issued.” (35 ILCS 200/21-305, confirmed by existing module 3 and the statutory text retrieved 2026-06-01 from ilga.gov.)
• Citation: 35 ILCS 200/21-305 — https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=003502000K21-305

Competing Claimants

• Filing race: needs_verification — no retrieved case law addresses competing claimants to the same indemnity fund petition.
• Interpleader used: Likely, given the circuit court procedure (the County Treasurer as Trustee is the named defendant; competing heirs would need to intervene). Exact procedure — needs_verification.
• Priority rules: Illinois courts applying general probate principles would prioritize claims in the order a personal representative or court distributes the estate; no indemnity-fund-specific priority rule was retrieved.
• Citation: 35 ILCS 200/21-305.

Deceased Owner Procedure

• Probate required first? needs_verification. The statute says “any person claiming indemnity” who sustained loss — a personal representative of a deceased former owner would have standing as successor in interest. Whether a court requires that the estate first be opened before the petition is filed has not been confirmed in retrieved primary sources.
• Personal representative has standing: Yes, as successor to the decedent’s interest. (755 ILCS 5/ Probate Act governs the estate’s capacity to pursue claims; the personal rep steps into the decedent’s shoes.)
• Direct heir claim permitted: Uncertain — if the estate is formally administered, the personal rep acts; if a small estate affidavit procedure is used (755 ILCS 5/25-1), an heir may act for the estate on small claims. (needs_verification — no indemnity-fund-specific case addressing this.)
• Notes: The 10-year limitations period from deed issuance gives heirs time to open an estate even if the former owner died post-deed.

Fraudulent Conveyance Exposure on Claim Assignment

• Assignment voidable by creditors? Potentially yes, if the assignment of an indemnity (or future surplus) claim constitutes a transfer of property by an insolvent owner for less than reasonably equivalent value.
• Applicable statute: Illinois Uniform Fraudulent Transfer Act, 740 ILCS 160/ (UFTA). A creditor can avoid a transfer made with actual intent to hinder, delay, or defraud creditors, or made without equivalent value while the debtor is insolvent. Statute of limitations: 4 years from the transfer, or 1 year from when the creditor discovers/could have discovered the transfer (740 ILCS 160/10). Source: https://law.justia.com/codes/illinois/chapter-740/act-740-ilcs-160/ (2025 ILCS on Justia, retrieved 2026-06-02 via search results.)
• Notes: A blanket assignment of a large indemnity/surplus claim by an insolvent owner to a recovery agent for nominal or no consideration could be attacked by the owner’s creditors under the UFTA. Prudent recovery agents structure agreements as fee agreements, not full assignments, for this reason and because full assignment enforceability is uncertain.

Surplus Claimant Notice

• Court must notify lienholders? Yes (for the tax-deed stage and, under the existing model, for any mortgagees of record as required by mennonite-v-adams). Under 35 ILCS 200/22-5, the take-notice procedure requires the purchaser to identify and serve all record-interest holders. For the future HB4537 surplus- equity fund, notice procedures are needs_verification (bill not yet enacted).
• Method: Certified mail + publication (35 ILCS 200/22-10, 22-15).
• Timeline: Take-notice delivered to circuit clerk “not more than 6 months and not less than 3 months prior to the expiration of the period of redemption.” (35 ILCS 200/22-10)
• Citation: 35 ILCS 200/22-5, 22-10.

5b. Title Advanced

Quiet Title Action

• When required: In practice, recommended in virtually all cases and required for title insurance, though the statute does not mandate a separate quiet title action after issuance of a tax deed (the tax deed itself conveys “good and merchantable title” by the court’s order under 35 ILCS 200/22-40). A quiet title is separately advisable where (a) notice service is questionable, (b) any interest-holder was missed, or (c) the property has occupied-owner complications. Source: ATG Illinois Tax Deeds (https://www.atgf.com/tools-publications/pubs/illinois-tax-deeds, retrieved 2026-06-02).
• Action type: Judicial (filed in circuit court under 735 ILCS 5/ Art. VI, §2-301 et seq. and the quiet title provisions of the Code of Civil Procedure).
• Court with jurisdiction: Illinois Circuit Court of the county where the property is located. Venue is mandatory in the situs county.
• Typical timeline: Uncontested: 2–4 months. Service by publication required (unknown parties): add 6–8 weeks. Contested: 6 months to 1+ year. Source: LienSuite / VW Law quiet title guides (retrieved 2026-06-02).
• Typical cost range: Attorney fees + filing fees. Circuit court filing fees vary by county (example: Kane County general civil $264, per Kane County fee schedule retrieved 2026-06-02). Total out-of-pocket for an uncontested action: roughly$2,000–$5,000 (attorney + filing); contested actions substantially more. (needs_verification — no statewide official cost schedule retrieved.)
• Cures all pre-sale defects? A successful quiet title decree in the situs circuit court extinguishes adverse claims; the 40-year bar under the Illinois Marketable Title Act (735 ILCS 5/13-118) bars claims older than 40 years except those preserved by recorded notice. Tax deeds were held excluded from the Marketable Title Act’s protection (the ATG article confirmed tax deeds are deliberately excluded from the list of protected documents). As a result, the Tax Code’s own incontestability provisions (35 ILCS 200/22-45) and the 2-year 2-1401 limitation (735 ILCS 5/2-1401) are the operative shields after a quiet title; the 10-year indemnity claim window (35 ILCS 200/21-305) runs concurrently. Note: The original 22-45 limitation on grounds for 2-1401 relief was held unconstitutional (In re Application of County Collector, 281 Ill App 3d 467, 667 NE2d 109 (2d Dist. 1996)); the current operative framework allows 2-1401 relief on the four grounds confirmed from the current statutory text (taxes paid, exempt, fraud/deception, missed notice party).
• Citation: 735 ILCS 5/13-114, 5/13-118 (Marketable Title Act); 35 ILCS 200/22-40 (tax deed merchantable title); 35 ILCS 200/22-45 (incontestability grounds); 735 ILCS 5/2-1401 (2-year post-judgment relief period). ATG Marketable Title Act’s Statute of Limitations (https://www.atgf.com/underwriting/news/marketable-title-acts-statute-limitations, retrieved 2026-06-02).

Deed Seasoning

• Insurers require seasoning? Yes in practice. Title insurers routinely decline to insure a tax deed immediately after issuance without either (a) a quiet title action or (b) a significant seasoning period. The ATG article confirmed that tax deeds convey merchantable title but that insurer caution is standard, and the bell-v-pappas-2025 constitutional turmoil has heightened caution.
• Typical years: 3–5 years is a commonly-cited informal benchmark; some underwriters require a quiet title action regardless of seasoning. (needs_verification — no formal underwriter bulletin retrieved specifying exact seasoning policy.)
• Rationale: Risk of voidable-deed challenge during the incontestability window; fraud-based attacks survive the main limitations period; the ongoing constitutional flux from Bell v. Pappas and HB4537 increases insurer caution.

Title Insurance

• Immediate availability? Generally no without quiet title. Exceptions exist for properties with extensive seasoning and clean title searches. Tax Title Services and similar certification companies offer alternative routes in some states, but no Illinois-specific bulletin confirming availability without quiet title was retrieved.
• Conditions for immediate issuance: needs_verification.
• Insurers known to write: Attorneys’ Title Guaranty Fund (ATG — Illinois’s dominant bar-based insurer), First American, Fidelity National (Old Republic), Chicago Title. ATG is the market leader for tax deed matters in Illinois given its practitioner-oriented underwriting. (needs_verification — no insurer bulletin retrieved.)
• Quitclaim/special warranty only: The tax deed itself is neither a warranty nor a quitclaim deed — it is a statutory conveyance with its own warranty level (merchantable title by operation of law, 35 ILCS 200/22-40). A subsequent deed from the tax buyer to a third party is typically a warranty or special warranty deed.

Marketable Title Act

• Exists: Yes.
• Lookback years: 40 years (735 ILCS 5/13-118) and 75 years (735 ILCS 5/13-114).
• Statute: 735 ILCS 5/13-114 (75-year bar on documentary evidence); 735 ILCS 5/13-118 (40-year bar on causes of action).
• Tax deed exclusion: Tax deeds are explicitly excluded from the Marketable Title Act’s protection, meaning the Act does not bar challenges to tax deeds that would otherwise be barred by the 40/75-year lookback. Source: ATG Marketable Title Act’s Statute of Limitations (https://www.atgf.com/underwriting/news/marketable-title-acts-statute-limitations, retrieved 2026-06-02).

Judicial Confirmation Before Deed Issues

• Required? Yes. The circuit court must enter an order directing the county clerk to issue the tax deed after determining all statutory prerequisites are satisfied. This is not a rubber stamp — the court applies strict scrutiny to take-notice compliance. Source: ATG Illinois Tax Deeds (https://www.atgf.com/tools-publications/pubs/illinois-tax-deeds, retrieved 2026-06-02).
• Tribunal: Circuit Court (county where property is located) — Tax/Chancery division.
• Timeline: The petition must be filed 3–6 months before redemption expires (35 ILCS 200/22-30). The court hearing follows after the redemption period lapses (typically within weeks to a few months of the hearing date).
• Citation: 35 ILCS 200/22-30, 22-40.

Chain-of-Title Cure

• Depth: The tax deed extinguishes pre-existing junior liens and title defects arising after the tax lien date, but does not extinguish senior interests or federal liens with proper priority. The tax deed cures “all pre-lien defects” for junior interests — but federal (IRS) liens not addressed by 26 U.S.C. §7425 notice may survive. CERCLA liens that arose before the tax lien position remain a risk. (See Module 7b.)
• Notes: The “merchantable title” language in 35 ILCS 200/22-40 has been interpreted by ATG as conveying clean title free of prior encumbrances when the proceeding is regular, but Illinois courts apply strict compliance, and any missed notice party may challenge the deed as voidable. (35 ILCS 200/22-45)

5c. TRO & Injunctive Relief

Recognized Grounds to Halt a Tax or Mortgage Foreclosure Sale

1. Defective notice — failure to comply with 35 ILCS 200/22-5, 22-10, 22-15 take-notice requirements; failure to serve all parties entitled to actual notice under mennonite-v-adams and jones-v-flowers.
2. Payment/legal dispute — taxes were paid or the lien is void, erroneous, or the property is exempt; a sale-in-error ground (35 ILCS 200/21-310) applies.
3. Constitutional challenge — post-bell-v-pappas-2025: Takings Clause and Excessive Fines Clause challenges to a sale that would strip substantial equity.
4. Bankruptcy automatic stay — a bankruptcy petition automatically stays the tax sale (11 U.S.C. §362); the circuit court loses jurisdiction.
5. SCRA protections — military servicemember on active duty; sale of servicemember’s property is subject to the federal Servicemembers Civil Relief Act’s stay provisions.
6. Homestead / exemption — claimed homestead exemption not properly recognized in the assessment/sale process.
7. Mortgage foreclosure (judicial) — grounds for halting confirmation include unconscionable sale price, inadequacy of notice, or statutory procedural error (735 ILCS 5/15-1508 — the court may refuse to confirm the sale).

Legal Standard

• Illinois applies the four-factor preliminary injunction test: (1) plaintiff possesses a clearly ascertainable right in need of protection; (2) likelihood of success on the merits; (3) irreparable harm absent relief; (4) no adequate remedy at law. Courts also weigh the balance of equities (relative hardships). Source: Illinois TRO/PI standard confirmed by O’Flaherty Law resource (https://www.oflaherty-law.com/learn-about-law/illinois-preliminary-injunctions-and-temporary-restraining-orders-explained, retrieved 2026-06-02) and Jenner search-result excerpts (retrieved 2026-06-02).
• Additional wrinkle: “Injunctive relief will not be granted against public officials with respect to their official acts unless the acts complained of are outside their authority or unlawful.” Tax sale collectors acting pursuant to a valid court order (the judgment and order of sale, 35 ILCS 200/21-150) are acting as public officials; a TRO must therefore demonstrate the act is unlawful, not merely inconvenient.
• Statutory codification: 735 ILCS 5/11-101 et seq. (Injunction Article).

Court with Jurisdiction

• Tax sale / tax deed: Illinois Circuit Court of the county where the property is located (the same court that issued the judgment and order of sale and will issue the tax deed order). Emergency motions go to the presiding judge of the Tax/Chancery division.
• Mortgage foreclosure: Illinois Circuit Court (same court handling the foreclosure action). An emergency motion to stay the confirmation hearing or the judicial sale is filed in the existing foreclosure case.

Bond Required

• Yes. Under 735 ILCS 5/11-103, the court shall require a bond payable to the adverse party conditioned on payment of damages if the injunction is found to have been wrongly granted. Courts may excuse the bond for “good cause” but should do so sparingly. Source: Jenner search excerpts (retrieved 2026-06-02).
• Typical amount: Set by the court based on the value at risk; in a tax sale context, typically pegged to the certificate amount or property value at issue. (needs_verification — no reported bond amounts in retrieved sources.)

Emergency Timeline

• Ex parte TRO: If advance notice to the adverse party would cause the harm (e.g., the sale is imminent), the plaintiff may seek a TRO without notice. The court may grant same-day or next-day relief if the filing is properly presented. An ex parte TRO lasts up to 10 days, with one 10-day extension. (735 ILCS 5/11-102)
• With notice: Same-day or 24–48-hour hearings are possible on emergency motion in Illinois circuit courts when a tax or foreclosure sale is imminent and counsel is available. Courts’ emergency procedures vary by circuit.
• Practical note: A borrower in a mortgage foreclosure facing an imminent judicial sale has a better procedural posture than a property owner facing a tax sale, because the judicial sale is scheduled and the court is already seized of the matter; emergency motions in foreclosure cases are standard practice. Tax sale TROs require filing a separate action.

Effect on a Completed Sale

• Tax sale: If the sale has already been conducted (certificate of purchase issued), a TRO cannot retroactively undo it — the buyer holds the certificate. The owner’s remedy is a sale-in-error petition (35 ILCS 200/21-310) or a motion to vacate the judgment and order of sale for lack of jurisdiction. Post-sale constitutional challenges (Bell v. Pappas-type) must be brought as a civil rights action under 42 U.S.C. §1983 or a federal Takings claim.
• Mortgage foreclosure (judicial sale): After the gavel falls but before the court enters the order confirming the sale (735 ILCS 5/15-1508), the court retains discretion to decline confirmation. After confirmation, the sale is final except for appeal or a petition for relief from judgment (735 ILCS 5/2-1401). A TRO issued after confirmation has no effect on title.
• Summary: “No effect after confirmation” for mortgage foreclosure; for tax sales, an injunction must be obtained before the sale itself; judicial deed petition process after issuance of a certificate is the continuing pressure point.

Non-Judicial Foreclosure Notes

• Not applicable — Illinois mortgage foreclosure is exclusively judicial. All relief proceedings occur in circuit court.

7b. Lien Survival & Purchaser Exposure

IRS 120-Day Redemption Right (26 U.S.C. §7425)

• Applies: Yes, if a federal tax lien is on record against the former owner at the time of the tax sale. Under 26 U.S.C. §7425(d), the United States may redeem real property sold at a state tax sale within the greater of (a) 120 days from the date of sale or (b) the period allowable for redemption under state law. Illinois’s general redemption period (2.5 years) is longer, so the IRS period would effectively run with the state redemption period.
• Procedure: The tax sale host must give the IRS written notice at least 25 days before the sale (26 U.S.C. §7425(b); 26 CFR §301.7425-3) if a Notice of Federal Tax Lien has been filed. If proper notice is not given, the sale does not discharge the federal lien. Source: IRS IRM 5.12.4 and 5.12.5; 26 U.S.C. §7425. (https://www.irs.gov/irm/part5/irm_05-012-004; LII §7425 text at https://www.law.cornell.edu/uscode/text/26/7425, retrieved 2026-06-02.)
• Citation: 26 U.S.C. §7425(b), (d); 26 CFR §301.7425-3, §301.7425-4.
• Due diligence implication: Before bidding, search the federal tax lien registry at the county recorder and UCC filing office for the owner’s name.

HOA / Condominium Assessment Super-Priority

• Super-priority exists? Qualified yes — for condominiums under the Illinois Condominium Property Act, an association’s assessment lien is “senior to all other liens or encumbrances other than taxes and previously-recorded encumbrances.” (765 ILCS 605/9(g)) This means the condo lien is junior to the property tax lien and to any earlier-recorded mortgage.
• Statute: 765 ILCS 605/9(g) (Condominium Property Act). A general HOA’s assessment lien priority is governed by the declaration and the Common Interest Community Association Act (765 ILCS 160/), which does not grant the same express super-priority.
• Cap for third-party foreclosure purchaser:
  • After a mortgage foreclosure, a third-party purchaser (not the foreclosing bank) must pay the former unit owner’s proportionate share of common expenses for the preceding 6 months. (765 ILCS 605/9(g)(4), per ILHOALaw.com article retrieved 2026-06-02.)
  • After a tax sale, “a buyer of unpaid real estate taxes is generally not responsible for assessments incurred before the time title is transferred.” (ILHOALaw.com, retrieved 2026-06-02.) The condo lien is junior to the property tax lien in Illinois, so the tax deed extinguishes the pre-existing assessment lien as to the purchaser.
• Survives tax sale: No (condo/HOA assessment lien is junior to property tax under 765 ILCS 605/9(g)); however, the association’s ongoing assessment obligation attaches to the new owner immediately upon transfer of title.
• Survives mortgage foreclosure: No for the senior-lender bidder; yes for the 6-month liability rule as to a third-party purchaser. (765 ILCS 605/9(g)(4))
• Source: ILHOALaw.com, Illinois Condominium Lien Priority (https://ilhoalaw.com/2022/07/18/illinois-condominium-lien-priority-what-types-of-encumbrances-does-a-condominium-lien-have-priority-over/, retrieved 2026-06-02); CAI Illinois advocacy page (https://www.caionline.org/advocacy/advocacy-priorities-overview/collecting-delinquent-assessments/priority-lien-illinois/, retrieved 2026-06-02).

Environmental / CERCLA Liens

• CERCLA lien survives tax sale? needs_verification. CERCLA §107(l) (42 U.S.C. §9607(l)) creates a federal lien for cleanup costs that attaches to all real property of the liable party in the state. Under federal law, the lien is subordinate to all liens perfected under state law prior to the recordation of the CERCLA Notice of Lien. If the CERCLA lien is recorded after the property tax lien date, the tax sale may extinguish it; if before, the CERCLA lien may survive and burden the tax-sale purchaser. No Illinois-specific case law confirming or denying CERCLA lien survival in a tax sale was retrieved.
• Illinois state superfund super-lien? needs_verification — the Illinois Environmental Protection Act (415 ILCS 5/) contains cleanup cost provisions, but whether Illinois created a “super-lien” with priority over prior-recorded liens (as some states have) was not confirmed in retrieved sources.
• Practical note: A prudent purchaser should search IEPA and EPA Superfund databases and the county recorder for any CERCLA/CERCLIS-listed parcels before bidding; buying a tax certificate on a Superfund site can impose strict joint-and- several liability on the new owner as a “current owner” under CERCLA §107(a)(1).

Municipal Code / Blight Liens

• Survive tax sale? needs_verification. Illinois municipalities may impose liens for costs of demolition, repair, enclosure, or boarding of dangerous structures under 65 ILCS 5/11-31-1, with a priority mechanism for abandoned- property liens under 65 ILCS 5/11-20-15.1. Whether these municipal liens survive a subsequent tax deed has not been confirmed in retrieved case law; the general rule is that a tax deed extinguishes junior liens, but a municipality acting as a taxing body may have special standing.
• Statute: 65 ILCS 5/11-31-1 (dangerous/unsafe buildings — demolition lien); 65 ILCS 5/11-20-15.1 (priority for abandoned-property boarding costs).
• Notes: Municipal liens for special assessments (65 ILCS 5/9-2-1 et seq.) are included in the collector’s judgment and order of sale, meaning they are part of the tax sale itself and not a surviving junior lien. Blight/demolition liens filed separately are the risk area.

Mechanic’s Liens

• Survive tax sale if properly noticed? Uncertain. Illinois Mechanic’s Liens (770 ILCS 60/) must be perfected by filing within 4 months after the last day of work. If a mechanic’s lien is of record at the time the tax judgment is entered, the lienholder should be entitled to notice under take-notice procedures (35 ILCS 200/22-5 requires notice to all parties of record). If properly noticed and they fail to redeem, the tax deed likely extinguishes the mechanic’s lien. (See 35 ILCS 200/21-310 mandatory sale-in-error: if a mechanic’s lien claimant holds a “special assessment or installment” interest, the outcome may differ.) (needs_verification — no retrieved Illinois case directly addressing mechanic’s lien survival after a tax deed.)

Junior Mortgage Exposure

• Purchaser takes subject to senior mortgages? No — the tax lien/certificate is senior to later-recorded mortgages as a matter of lien priority in Illinois. A properly conducted tax sale extinguishes junior mortgages (those recorded after the tax lien accrued) if the mortgagee received proper take-notice. Senior mortgages (recorded before the tax lien) survive. The tax-deed purchaser takes free of the junior mortgage but subject to any surviving senior mortgage.
• Common mistake: Assuming the tax deed clears all encumbrances — a senior mortgage, a prior-recorded federal tax lien not given 26 U.S.C. §7425 notice, or an environmental lien recorded before the tax lien may survive.

Due Diligence Checklist for Prudent Purchasers

1. Federal tax lien search (county recorder + IRS ATLIS database) — check for §7425 notice obligations.
2. UCC search (Illinois Secretary of State) — fixture filings may affect title.
3. Environmental/CERCLA search — IEPA facility lookup and EPA Superfund search.
4. HOA/condo status — assess whether ongoing assessments will attach post-transfer.
5. Municipal lien search — check with municipality for outstanding demolition, boarding, or code-violation lien filings (65 ILCS 5/11-31-1).
6. Mechanic’s lien search — county recorder search for liens recorded within 4 months of last work.
7. Mortgage search — identify senior vs. junior mortgages relative to tax lien accrual date.
8. Bankruptcy search — U.S. Bankruptcy Court (N.D. Ill. or C.D. Ill. or S.D. Ill.) PACER docket for the owner’s name.
9. SCRA search — Defense Manpower Data Center SCRA search for any military service.

10b. Purchaser Obligations During Redemption

Must the Purchaser Pay Subsequent Taxes?

• Required? No — paying subsequent taxes is optional, not mandatory. The certificate holder may pay delinquent taxes that accrue in subsequent years after the sale and add them to the redemption amount (with a 12% annual penalty on each subsequent payment). In counties with fewer than 3,000,000 inhabitants, the certificate holder may not pay a subsequent year’s taxes until the second installment of that year is delinquent and the next tax sale has not yet occurred. (35 ILCS 200/21-355, confirmed by search-retrieved summary of FindLaw 21-355 and DuPage County tax redemption process page retrieved 2026-06-02.)
• Consequence of not paying: Subsequent taxes remain unpaid and the property may be sold again at a future tax sale for the unpaid year, creating a competing certificate that complicates the deed petition. Most sophisticated certificate holders pay subsequent taxes to protect their position.
• Citation: 35 ILCS 200/21-355.

Must the Purchaser Notify the Owner Before Expiration?

• Required? Yes — Illinois law imposes two notice obligations on the certificate holder (or assignee):
  1. Early take-notice (§22-5 first notice): Within 4 months and 15 days after the sale, the purchaser must deliver a take-notice to the county clerk, who mails copies by registered or certified mail to the party in whose name taxes were last assessed. (35 ILCS 200/22-5)
  2. Pre-expiration take-notice (§22-10 / §22-15): “Not more than 6 months and not less than 3 months prior to the expiration of the period of redemption,” the purchaser must deliver the §22-10 notice to the circuit court clerk, with certified mail costs, naming all record-interest holders including occupants, mortgagees of record, and others entitled to notice. The circuit court clerk then mails and publishes the notice. (35 ILCS 200/22-10, 22-15)
• Form: Statutory take-notice forms prescribed by 35 ILCS 200/22-10 (must be in at least 10-point type; specified statutory contents).
• Consequence of failure: Failure to send proper take-notice is fatal to the deed petition — the circuit court will deny the tax deed order. This is the most common reason deed petitions fail in Illinois. (35 ILCS 200/22-30, 22-40; county-collector-blossom63-2022 strict-compliance holding.)
• Citation: 35 ILCS 200/22-5; 35 ILCS 200/22-10; 35 ILCS 200/22-15. Confirmed by DuPage County Tax Redemption Process page and search-retrieved LawServer 22-5 excerpts (retrieved 2026-06-02).

Owner Occupancy Right During Redemption

• Owner may remain in possession? Yes. The certificate of purchase confers no ownership or right to enter the property — it grants the holder only the right to collect the redemption amount or eventually petition for a tax deed. The owner retains title and possession until the circuit court orders the county clerk to issue a tax deed (35 ILCS 200/22-40) and that deed is delivered and recorded. (LegalClarity, Illinois Tax Deed Process and Redemption Rights Overview, https://legalclarity.org/illinois-tax-deed-process-and-redemption-rights-overview/, retrieved 2026-06-10: “the certificate ‘does not grant ownership or the right to enter the property.’”; ATG Illinois Tax Deeds, retrieved 2026-06-10; DuPage County redemption process page, retrieved 2026-06-02.)
• Purchaser may enter? No. The certificate holder has no possessory rights during the redemption period absent court order or owner consent.
• Citation: 35 ILCS 200/22-40 (deed issuance is the event that transfers title and possession).

Costs Collectible Upon Redemption

Per 35 ILCS 200/21-355 and the DuPage County redemption process page, the redeeming party must pay:

• Certificate amount + penalty multiplier (the bid penalty × period multiplier per the schedule in Module 2).
• Subsequently paid taxes + 12% annual penalty on each subsequent payment (if the purchaser opted to pay them).
• Statutory fees: county clerk redemption fee (~$50 in DuPage), certified mail costs for both take-notice filings, circuit court filing costs for the §22-10 notice, and sheriff service fees.
• Documented improvements: No statutory right to collect for improvements made during the redemption period (the owner retains title until the deed issues). (needs_verification — confirm no statute allows purchaser to recover improvement costs on redemption.)
• Other: Nonrefundable $80 indemnity fee (35 ILCS 200/21-295) is paid at sale and is explicitly not refunded on redemption.
• Citation: 35 ILCS 200/21-295; 35 ILCS 200/21-355.

Property Maintenance Obligation

• Required? No statutory maintenance obligation on the certificate holder during the redemption period was identified in retrieved sources. The owner retains title and possession (and thus the maintenance obligation). After the tax deed issues and the purchaser takes title, normal property-owner duties and municipal ordinances apply.
• Standard: n/a during redemption.
• Citation: needs_verification — no retrieved statute imposes a maintenance duty on the certificate holder.

11b. Restrictions & Special Rules

Entity Purchase Restrictions

• Natural persons only? No — entities may bid. Illinois law (35 ILCS 200/21-205 and 21-210) permits registered entities to purchase at tax sales. Municipalities, corporations, LLCs, and trusts are all eligible purchasers. (35 ILCS 200/21-210 expressly permits “any city, incorporated town or village, corporate authorities, commissioners, or persons interested in any special assessment” to bid.)
• LLC permitted? Yes.
• Foreign entity permitted? Yes (no foreign-entity prohibition found in retrieved text of 35 ILCS 200/ Art. 21). (needs_verification — confirm no Secretary of State qualification requirement before bidding is required for unregistered foreign entities.)
• Notes: Entities must register with the county collector in advance (35 ILCS 200/21-220; 10 business days before the sale in counties under 3M inhabitants).
• Citation: 35 ILCS 200/21-205; 35 ILCS 200/21-210; 35 ILCS 200/21-220.

Insider Prohibition (Single Bidder Rule)

• Who prohibited: In counties with 275,000 or more inhabitants, the county collector must adopt a single bidder rule (35 ILCS 200/21-205) prohibiting: (a) any registered tax-buying entity (principal) from having more than one related bidding entity at the sale; (b) any registered entity from engaging in a “multiple bidding strategy” for the purpose of having related entities submit competing bids.
• Scope: Cook County (3M+ population) and many collar counties (DuPage, Lake, Will, Kane, McHenry — each over 275K) are covered. Smaller counties may adopt the rule voluntarily.
• Affidavit requirement: Registered tax buyers in covered counties must submit a single-bidder affidavit attesting compliance. (Peoria County registration materials, retrieved 2026-06-02.)
• County collector/treasurer employees: No explicit statutory prohibition on employees of the county collector’s office bidding was retrieved, but the collector’s office administers the sale — bidding by employees would raise common- law conflict-of-interest concerns and likely violates local ethics policies. (needs_verification — no explicit statutory prohibition text retrieved for employee insider bidding.)
• Citation: 35 ILCS 200/21-205.

Right of First Refusal (Municipalities / CDCs / Land Banks)

• Municipalities: 35 ILCS 200/21-210 permits municipalities to bid at tax sales (taxing-body-purchaser authority), but no general statutory right of first refusal (ROFR) before the sale was retrieved. Municipalities compete on equal footing at the auction.
• CDCs/nonprofits: No statutory ROFR identified in retrieved sources.
• Land banks: No statutory ROFR identified in retrieved sources specific to Illinois Land Bank entities at the tax sale stage. Land banks primarily acquire properties through intergovernmental agreement with counties and municipalities after forfeiture or abandonment. (needs_verification — HB4537 or prior land- bank statutes may grant a ROFR at the scavenger sale level.)
• Match window: n/a (no ROFR statute retrieved).
• Citation: 35 ILCS 200/21-210. (needs_verification for ROFR provisions.)

Land Bank Programs

• Exists? Yes. Illinois has multiple regional land banks operating under intergovernmental agreements (home-rule authority). Prominent examples include the Central Illinois Land Bank Authority (CILBA, https://www.cilba.org/), Northern Illinois Land Bank (Rock River region), Quad Cities Land Bank Authority (https://www.qclba.org/), and others. The Illinois Housing Development Authority (IHDA) administers a Land Bank Capacity Program (LBCP) providing startup capital. (Sources: CILBA.org; IHDA press release; retrieved 2026-06-02.)
• Enabling statute: Illinois has no dedicated statewide Land Bank Authority Act. Land banks are formed by intergovernmental agreement under the Intergovernmental Cooperation Act (5 ILCS 220/) using home-rule authority; at least one member must be a home-rule community. Multiple regional authorities have been confirmed to use this structure: the South Suburban Land Bank and Development Authority (Cook/Will Counties, est. Sept. 25, 2012), the Central Illinois Land Bank Authority (CILBA), and the Northern Illinois Land Bank. (Sources: CILBA FAQ https://www.cilba.org/frequently-asked-questions/, retrieved 2026-06-10; IHDA SCP Acquisition Strategies guide, retrieved 2026-06-10; 5 ILCS 220/ https://www.ilga.gov/legislation/ilcs/ilcs3.asp?ActID=92&ChapterID=2.)
• Receives unsold properties? Land banks acquire properties through county tax trustee programs, donations, and surplus government property — not through a mandatory post-scavenger-sale transfer mechanism in the retrieved statutes. (needs_verification.)
• Operational notes: Land banks in Illinois focus on vacant, abandoned, and tax-delinquent properties; they work with county treasurers and municipalities to acquire and revitalize problem properties. HB4537’s Cook County pilot (up to 100 certificates on low-tax homestead parcels) may create a partial public- entity first-mover mechanism. (needs_verification — HB4537 not yet enacted.)

Deficiency Judgment

• Permitted after tax sale? Not applicable in the traditional sense — Illinois’s tax sale system does not generate a deficiency because the buyer pays only the taxes, not the full property value. The former owner receives no sale proceeds and incurs no personal liability to the tax-sale purchaser. The indemnity fund (35 ILCS 200/21-305) compensates the former owner, not the purchaser.
• Permitted after mortgage foreclosure? Yes. Under 735 ILCS 5/15-1508(e) and 15-1511, the court “shall enter a personal judgment for deficiency” when authorized and proven at the confirmation hearing. Illinois does not categorically prohibit deficiency judgments in mortgage foreclosures. (ISBA article retrieved 2026-06-02: “the right to a personal judgment in foreclosure proceedings does not rest on general equity principles, but upon the legal obligation of the maker of the note.“)
• Fair value defense: Illinois does not recognize a true fair-value credit defense (courts cannot reduce the deficiency because the sale price was below market value, absent fraud or gross inadequacy). (ISBA article, retrieved 2026-06-02.)
• Citation: 735 ILCS 5/15-1508(e); 735 ILCS 5/15-1511.

Anti-Deficiency Statute

• Exists? No general anti-deficiency statute. Illinois permits deficiency judgments in mortgage foreclosures subject only to the procedural requirements of 735 ILCS 5/15-1508 (personal service required for a personal deficiency judgment).
• Scope: n/a.
• Citation: 735 ILCS 5/15-1508; 735 ILCS 5/15-1511.

One-Action Rule

• Exists? No. Illinois does not have a one-action rule. A lender may pursue deficiency through the foreclosure action itself (the confirmation order simultaneously confirms the sale and enters a deficiency judgment). 735 ILCS 5/ Article XV does not require a creditor to elect a single remedy. Under 735 ILCS 5/15-1508, the court “shall also enter a personal judgment for deficiency against any party if otherwise authorized and to the extent requested in the complaint and proven upon presentation of the report of sale.” (Illinois Legal Aid Online, Detailed Mortgage Foreclosure Process, https://www.illinoislegalaid.org/legal-information/detailed-mortgage-foreclosure-process, retrieved 2026-06-10; ISBA deficiency article confirmed no one-action requirement, retrieved 2026-06-02.)
• Citation: 735 ILCS 5/15-1508.
• Notes: Illinois does require personal service for an in personam deficiency judgment, which functions as a procedural limit (not a one-action limit).

Who this page is for

▸ For Investors / Operators — Start with the tax-sale mechanics (§1 — annual sale and scavenger sale, bid-down-the-penalty, certificate of purchase) and the redemption structure (§2/2b — 2.5-year / 1-year periods extendable to 3 years, the penalty- multiplier return, and free assignment of the certificate by endorsement under 35 ILCS 200/21-250). The acquisition-critical modules are the title path (§5b — court-issued “merchantable title” under 35 ILCS 200/22-40, tax deeds excluded from the Marketable Title Act, judicial confirmation of the tax-deed order, deed seasoning), lien survival and purchaser exposure (§7b — IRS § 7425, the 765 ILCS 605/9(g) condo lien junior to the tax lien, municipal/CERCLA exposure), and the restrictions/special rules (§11b), all against the constitutional flux from bell-v-pappas-2025 and HB4537.

▸ For Former Owners — The surplus / excess-proceeds section (§3) explains why Illinois historically generated no traditional surplus pool and how the Indemnity Fund (35 ILCS 200/21-305) served as the surrogate remedy — a circuit-court petition naming the County Treasurer as trustee, filed within 10 years of the tax deed — and how bell-v-pappas-2025 and the pending HB4537 reform may change that. The right-of- redemption section (§2) covers paying off the certificate to keep the property, and §5c covers emergency relief (TRO / injunction) to halt a sale.

11. Meta

• sources:
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-350”, retrieved: 2026-06-01} # redemption periods 21-350
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-355”, retrieved: 2026-06-01} # redemption amount/penalty multipliers
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-385”, retrieved: 2026-06-01} # 3-year extension cap
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-215”, retrieved: 2026-06-01} # bid-down penalty, 9% max
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-310”, retrieved: 2026-06-01} # sale in error
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-305”, retrieved: 2026-06-01} # indemnity fund, 10-yr, caps
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K21-295”, retrieved: 2026-06-01} # indemnity fee $20/$80+5%, treasurer trustee
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=003502000K22-10”, retrieved: 2026-06-01} # take-notice timing/contents
  • {type: statute, url: “https://www.ilga.gov/legislation/ilcs/fulltext?DocName=073500050K15-1512”, retrieved: 2026-06-01} # mortgage sale proceeds/surplus
  • {type: case, url: “https://ilcourtsaudio.blob.core.windows.net/antilles-resources/resources/867ea32b-246b-4839-a734-7c0b272dd79c/In%20re%20Application%20of%20the%20County%20Collector,%202022%20IL%20126929.pdf”, retrieved: 2026-06-01} # 2022 IL 126929 full opinion
  • {type: news, url: “https://www.legalnewsline.com/cook-county-record/cook-county-property-tax-sale-system-unconstitutional/article_8f12879d-582a-48ab-9914-6bc7c1da090c.html”, retrieved: 2026-06-01} # Bell v. Pappas Dec 2025 ruling
  • {type: news, url: “https://www.franczek.com/blog/federal-judge-rules-cook-county-tax-sale-system-unconstitutional/”, retrieved: 2026-06-01} # Bell v. Pappas analysis (5th/8th Am)
  • {type: news, url: “https://www.illinoispolicy.org/judge-rules-cook-county-tax-sale-illegal-lawmakers-yet-to-act/”, retrieved: 2026-06-01} # Tyler reconciliation, Kennelly ruling
  • {type: news, url: “https://capitolnewsillinois.com/news/property-tax-debt-sale-reform-will-allow-homeowners-to-keep-more-of-their-equity/”, retrieved: 2026-06-01} # HB4537 reform 2026
  • {type: news, url: “https://www.nprillinois.org/illinois/2026-05-31/property-tax-debt-sale-reform-will-allow-homeowners-to-keep-more-of-their-equity”, retrieved: 2026-06-01} # HB4537 reform 2026
  • {type: docket, url: “https://dockets.justia.com/docket/illinois/ilndce/1:2022cv07061/424523”, retrieved: 2026-06-01} # Bell v. Pappas docket No. 1:22-cv-07061

  --- new sources added 2026-06-02 ---

  • {type: secondary, url: “https://www.atgf.com/tools-publications/pubs/illinois-tax-deeds”, retrieved: 2026-06-02} # ATG: tax deed merchantable title, judicial confirmation, seasoning
  • {type: secondary, url: “https://www.atgf.com/underwriting/news/marketable-title-acts-statute-limitations”, retrieved: 2026-06-02} # ATG: Marketable Title Act, tax deed exclusion, 40/75-yr lookback
  • {type: secondary, url: “https://www.smlg.law/real-estate-tax-certificates-purchases”, retrieved: 2026-06-02} # SMLG: certificate assignment, 35 ILCS 200/21-250
  • {type: secondary, url: “https://ilhoalaw.com/2022/07/18/illinois-condominium-lien-priority-what-types-of-encumbrances-does-a-condominium-lien-have-priority-over/”, retrieved: 2026-06-02} # ILHOALaw: 765 ILCS 605/9(g) HOA super-priority, tax sale/mortgage foreclosure survival
  • {type: statute, url: “https://www.law.cornell.edu/uscode/text/26/7425”, retrieved: 2026-06-02} # 26 U.S.C. §7425 IRS 120-day redemption
  • {type: secondary, url: “https://www.irs.gov/irm/part5/irm_05-012-004”, retrieved: 2026-06-02} # IRS IRM 5.12.4 judicial/non-judicial foreclosure notice
  • {type: secondary, url: “https://www.irs.gov/irm/part5/irm_05-012-005r”, retrieved: 2026-06-02} # IRS IRM 5.12.5 redemptions
  • {type: secondary, url: “https://www.oflaherty-law.com/learn-about-law/illinois-preliminary-injunctions-and-temporary-restraining-orders-explained”, retrieved: 2026-06-02} # Illinois TRO/PI 4-factor standard
  • {type: secondary, url: “https://www.isba.org/sections/commercial/newsletter/2011/07/takingdeficiencyjudgmentsinforeclos”, retrieved: 2026-06-02} # ISBA: deficiency judgments, 735 ILCS 5/15-1508, 15-1511
  • {type: secondary, url: “https://www.dupagecounty.gov/elected_officials/election_and_voter_information/property_tax/tax_redemption/tax_redemption_process.php”, retrieved: 2026-06-02} # DuPage County: take-notice timeline, costs
  • {type: secondary, url: “https://www.caionline.org/advocacy/advocacy-priorities-overview/collecting-delinquent-assessments/priority-lien-illinois/”, retrieved: 2026-06-02} # CAI Illinois HOA priority lien advocacy page
  • {type: secondary, url: “https://www.cilba.org/”, retrieved: 2026-06-02} # Central Illinois Land Bank Authority
  • {type: secondary, url: “https://www.peoriacounty.gov/367/Delinquent-Tax-Information”, retrieved: 2026-06-02} # Peoria County: single bidder rule, registration requirements

  --- new sources added 2026-06-10 ---

  • {type: statute, url: “https://www.ilga.gov/legislation/ILCS/details?MajorTopic=&Chapter=&ActName=Property+Tax+Code.&ActID=596&ChapterID=8&ChapAct=35+ILCS+200/&SeqStart=74400000&SeqEnd=76200000”, retrieved: 2026-06-10} # 35 ILCS 200/21-215 — current cap is 18% (P.A. 102-363 RAISED cap 9%→18%); 9% claim was incorrect, reverted to needs_verification
  • {type: statute, url: “https://www.ilga.gov/documents/legislation/ilcs/documents/003502000K21-350.htm”, retrieved: 2026-06-10} # 35 ILCS 200/21-350 confirmed 2.5-yr/1-yr structure, eff. Jan 1 2024
  • {type: statute, url: “https://www.ilga.gov/legislation/ILCS/details?MajorTopic=&Chapter=&ActName=Property+Tax+Code.&ActID=596&ChapterID=8&ChapAct=35+ILCS+200/&SeqStart=78300000&SeqEnd=79600000&Print=True”, retrieved: 2026-06-10} # 35 ILCS 200/21-355 and 21-385 full text confirmed
  • {type: statute, url: “https://www.ilga.gov/Documents/legislation/ilcs/documents/003502000K22-45.htm”, retrieved: 2026-06-10} # 35 ILCS 200/22-45 incontestability: 4 grounds + 3-month Cook County error exception
  • {type: statute, url: “https://www.ilga.gov/Documents/legislation/ilcs/documents/003502000K21-305.htm”, retrieved: 2026-06-10} # 35 ILCS 200/21-305 indemnity fund confirmed: 10-yr, $99K cap owner-occ
  • {type: case, url: “https://www.ilga.gov/legislation/ilcs/ilcs3.asp?ActID=92&ChapterID=2”, retrieved: 2026-06-10} # 5 ILCS 220/ Intergovernmental Cooperation Act — land bank authority
  • {type: secondary, url: “https://legalclarity.org/illinois-tax-deed-process-and-redemption-rights-overview/”, retrieved: 2026-06-10} # certificate conveys no right to enter; owner retains possession
  • {type: secondary, url: “https://www.cilba.org/frequently-asked-questions/”, retrieved: 2026-06-10} # CILBA intergovernmental agreement basis confirmed
  • {type: statute, url: “https://uscode.house.gov/view.xhtml?path=%2Fprelim%40title50%2Fchapter50&edition=prelim”, retrieved: 2026-06-10} # 50 U.S.C. §3991 SCRA military redemption tolling (Subchapter V); NOT §3953 (mortgage stays)
  • {type: secondary, url: “https://www.illinoislegalaid.org/legal-information/detailed-mortgage-foreclosure-process”, retrieved: 2026-06-10} # Illinois mortgage foreclosure process; no one-action rule
  • {type: case, url: “https://ilcourtsaudio.blob.core.windows.net/antilles-resources/resources/867ea32b-246b-4839-a734-7c0b272dd79c/In%20re%20Application%20of%20the%20County%20Collector,%202022%20IL%20126929.pdf”, retrieved: 2026-06-01} # Blossom63 2022 IL 126929 (already listed; note also: In re Cnty Collector, 281 Ill App 3d 467 (2d D 1996) — 22-45 held unconstitutional)
  • {type: news, url: “https://www.injusticewatch.org/project/taken-by-taxes/2026/illinois-tax-foreclosure-reform-passes/”, retrieved: 2026-06-10} # HB4537 key provisions: surplus equity fund, 6-month extension, auction model
  • {type: news, url: “https://chicago.suntimes.com/real-estate/2026/05/31/illinois-lawmakers-legislation-homeowners-equity-property-taxes-debt-tax-foreclosure”, retrieved: 2026-06-10} # HB4537 3 key mechanisms; awaiting governor signature
• needs_verification:
  • HB4537 public-act number, effective date, and final enacted text of the surplus-equity fund, extended redemption period for homestead parcels, and revised tax-buyer fee schedule. Status as of 2026-06-10: passed both chambers 5/30/2026, awaiting governor’s signature; no public act number assigned. Key provisions confirmed via news sources: (a) surplus equity fund financed by additional tax-buyer fees (Cook: 5% + 5% + $1,000 issuance; small counties$500); (b) Cook County 6-sale pilot (100 certificates/sale, lowest-debt homestead); (c) auction model post-2030 with surplus returned to former owner; (d) 3-year redemption for enrolled parcels (extended from 2.5). (Confirm enacted text.)
  • Annual tax sale max penalty-bid cap (18% absolute vs. 9%/period): Current 35 ILCS 200/21-215 text caps the bid at 18% (confirmed 2026-06-10); P.A. 102-363 raised the cap from 9% to 18%. Reconcile whether 18% is the absolute per-period cap or whether a “9% per six-month penalty period” convention applies (some county pages describe 9%/period). Re-opened after a 2026-06-10 paydown wrongly asserted a 9% current cap.
  • Third-party recovery / finder fee cap, licensing, cooling-off, disclosure, prohibited practices for indemnity/surplus claims under current or HB4537 regime. Not located in retrieved Property Tax Code text; may arise in HB4537.
  • A dedicated verified redemption-holding Illinois appellate case — no primary case text retrieved confirming a specific redemption-right holding (distinct from the take-notice holding in Blossom63).
  • Module 2b: Illinois Supreme Court or Appellate Court case expressly validating assignment of the statutory redemption right by a stranger; inference is from “any person interested” language only.
  • Module 2b: Installment redemption — confirm no county-specific program exists.
  • Module 3b: Full-assignment-of-indemnity-claim enforceability under Illinois law; no retrieved primary case directly holds it valid or void.
  • Module 3b: Competing claimant procedure for indemnity fund petitions; probate requirement when owner is deceased; direct-heir standing absent probate.
  • Module 5b: Title insurer seasoning requirement — no formal underwriter bulletin retrieved; informal 3–5 year benchmark from secondary sources only.
  • Module 5b: Quiet title typical cost range statewide — county fee schedules vary; only Kane County example retrieved.
  • Module 5c: TRO bond typical amounts in Illinois tax/foreclosure context; emergency same-day timeline availability in specific circuits.
  • Module 7b: CERCLA/environmental lien survival after Illinois tax sale — no Illinois-specific case law retrieved; federal law framework described.
  • Module 7b: Illinois state superfund super-lien status (415 ILCS 5/).
  • Module 7b: Municipal blight/demolition lien (65 ILCS 5/11-31-1) survival after tax deed; no retrieved Illinois case directly confirmed.
  • Module 7b: Mechanic’s lien survival after tax deed — no Illinois case directly confirmed; inference from take-notice and lien extinguishment principles.
  • Module 10b: Purchaser right to collect for improvements upon redemption — no statute identified; assumed not collectible.
  • Module 10b: Certificate holder property maintenance obligation — no statute identified; assumed none.
  • Module 11b: Foreign entity participation — no explicit prohibition confirmed in retrieved 35 ILCS 200 text; needs verification of SOS qualification requirement.
  • Module 11b: County collector employee insider-bidding prohibition — no explicit statutory text retrieved; likely covered by local ethics rules.
  • Module 11b: Municipal/land bank ROFR at tax sale stage — no statute retrieved; HB4537 Cook County pilot may create de facto priority mechanism.
  • Module 11b: Land bank mandatory receipt of unsold scavenger-sale properties.
  • Module 11b: Minors/incompetents redemption tolling — 35 ILCS 200/21-350 contains no tolling provision; general 735 ILCS 5/13-211 tolling may apply but its applicability to tax-sale redemption is unconfirmed.
  • Statewide annual-sale timing window, registration/deposit rules, and platform vendors. County-specific; no single statewide official page retrieved.
• open_questions:
  • Will HB4537, once effective, reclassify Illinois as fully reformed_post_Tyler, and will it apply retroactively to deeds issued in the prior 2 years (the surplus-equity fund covers recent losses)?
  • Does Bell v. Pappas extend beyond Cook County to all 102 counties as precedent?
  • Post-reform: will a true former-owner surplus claim and recovery-agent market emerge under the new regime?
• cross_links: tyler-v-hennepin-county, bell-v-pappas-2025, county-collector-blossom63-2022, mullane-v-central-hanover, mennonite-v-adams, jones-v-flowers, right-of-redemption, surplus-funds, third-party-recovery-rules, due-process-notice, treasurer-sale, sheriff-sale, bankruptcy-automatic-stay, federal-tax-lien-redemption, heirs-property
• changelog:
  • 2026-06-01 — initial autoresearch population from 35 ILCS 200, 735 ILCS 5 Art. XV, 2022 IL 126929, Bell v. Pappas (N.D. Ill.), and HB4537 reform coverage.
  • 2026-06-02 — added 7 advanced modules (2b, 3b, 5b, 5c, 7b, 10b, 11b); sources include ATG Illinois Tax Deeds, ATG Marketable Title Act, SMLG certificate assignment guide, ILHOALaw 765 ILCS 605/9(g), 26 U.S.C. §7425 / IRS IRM 5.12, ISBA deficiency judgment article, O’Flaherty TRO guide, DuPage County redemption process page, CAI Illinois, CILBA land bank, Peoria County single-bidder rule. Updated gap_score: pre-upgrade effective score was 8 (original page) + 105 (7 missing advanced modules × 15 pts, rubric row 11) = 113. Post-upgrade with all 7 modules now populated, score is driven entirely by honest needs_verification items (rubric row 2, 1 pt each) — approximately 31 items = gap_score 31.
  • 2026-06-10 — verification debt paydown: cleared ~9 of 31 needs_verification flags (net: 31 → ~22 list items); gap_score reduced from 31 to 22. Key verified facts: (1) CORRECTED (adversarial review 2026-06-10): The prior changelog claim that 21-215’s max penalty is 9% (P.A. 102-363 reducing 18%→9%) is FALSE and was reverted. Current 35 ILCS 200/21-215 caps the bid at 18% of the tax/special assessment (confirmed via Rock Island County statute text and ILGA, retrieved 2026-06-10). P.A. 102-363 in fact RAISED the cap from 9% to 18% — the direction was inverted in the original paydown. The penalty-cap framing is returned to needs_verification pending reconciliation of the 18% absolute cap vs. the “9% per six-month period” convention some counties describe. (2) CONFIRMED: 35 ILCS 200/21-350 redemption structure — 2.5-year general / 1-year vacant-commercial/7+-unit residential — effective for certificates issued on or after January 1, 2024; confirmed against current ILGA text. (3) CONFIRMED: 35 ILCS 200/21-355 penalty multiplier schedule — ×1 through ×6 in 6-month increments over 36 months; confirmed from ILGA text. (4) CONFIRMED: 35 ILCS 200/22-40 title language — “All tax deeds convey merchantable title” (ATG confirmed; exact statutory text in 22-40). (5) CONFIRMED: 35 ILCS 200/22-45 incontestability framework — 4 grounds for 2-1401 relief; 3-month exception for Cook County homestead clerk-error; general 2-1401 limit is 2 years (735 ILCS 5/2-1401); the original 22-45 limiting language was held unconstitutional in In re Cnty Collector, 281 Ill App 3d 467 (2d D 1996). (6) CONFIRMED: 35 ILCS 200/21-305 indemnity fund — $99,000 cap for owner-occupied ≤4 units; 10-year period; confirmed from current ILGA document text. (7) CONFIRMED: HB4537 status as of 2026-06-10 — passed both chambers 5/30/2026; awaiting governor’s signature; no public act number assigned; key provisions confirmed via Injustice Watch and Chicago Sun-Times (auction model, surplus equity fund, Cook County 6-sale pilot, 3-year redemption for enrolled parcels). (8) CONFIRMED (cite corrected 2026-06-10): SCRA military redemption tolling — 50 U.S.C. §3991 (not §3953, which the original paydown mislabeled) excludes military service time from computing Illinois redemption period. (9) CONFIRMED: Illinois land banks operate under Intergovernmental Cooperation Act (5 ILCS 220/) — no dedicated Land Bank Authority Act; confirmed via CILBA FAQ and IHDA acquisition guide. (10) CONFIRMED: No one-action rule in Illinois — 735 ILCS 5/ Art. XV does not require lender to elect a single remedy; deficiency permitted in same action. (11) CONFIRMED: Certificate holder has no right to enter property during redemption period; owner retains title and possession until tax deed issues under 22-40. Remaining needs_verification items (~22 pts): HB4537 enacted text; third-party recovery fee cap/licensing; dedicated redemption-holding appellate case; various module-specific items (redemption right assignment case, installment redemption, indemnity claim assignment enforceability, competing claimants, insurer seasoning policy, quiet-title costs, TRO bond amounts, CERCLA/state superfund/municipal lien/mechanic’s lien survival, improvement-cost collectibility, maintenance duty, foreign entity SOS qualification, employee insider-bidding prohibition, ROFR, land bank mandatory receipt, minor/incompetent tolling, annual-sale timing).

Local pages

County deep dives: champaign-il, cook-il, dupage-il, kane-il, lake-il, madison-il, mchenry-il, sangamon-il, st-clair-il, will-il, winnebago-il Unclaimed funds agency: unclaimed-property-illinois

Disclaimer: This page is legal information, not legal advice. Tax-foreclosure law changes frequently; verify every fact against the cited primary sources and consult a licensed Illinois attorney before acting. Last verified: 2026-06-10.