Kennedy v. Mossafa (N.Y. 2003)

Citation: 100 N.Y.2d 1 (2003); 789 N.E.2d 607; 759 N.Y.S.2d 429 · Court: New York Court of Appeals · Decided: 2003

The leading New York Court of Appeals decision on what a tax district must do when its mailed notice of a tax foreclosure is returned. It adopts the Mullane / Mennonite / Jones v. Flowers framework for New York’s RPTL Article 11 in rem scheme and defines the “reasonable search of the public record” duty that governs returned-mail cases — while holding that on these facts no further search was required. Foundational for new-york due-process and notice analysis.

Facts

Mahshid Mossafa was the former owner of a parcel of vacant real property in the Town of Newburgh, Orange County, New York. The County foreclosed on the parcel for nonpayment of 1996 taxes under RPTL Article 11. The County’s certified mailed notice of the foreclosure was returned “unclaimed” — but it had been mailed to the correct address of record. After foreclosure, the parcel was sold to Ellen J. Kennedy, who then brought a quiet-title proceeding under RPAPL Article 15. Mossafa challenged the adequacy of the notice.

Holding

The Court of Appeals held that due process requires notice “reasonably calculated, under all the circumstances, to apprise interested parties” of the proceeding and an opportunity to be heard (mullane-v-central-hanover). When a mailed notice is returned, the taxing authority must generally take reasonable additional steps, including a reasonable search of its own public records, to locate the party. However, on these facts the County’s notice was adequate: the mail was returned “unclaimed” (not “undeliverable”) and had been sent to the correct address, which supported the inference that the owner was avoiding the notice. The Court declined to require the district to hunt through telephone directories or other outside records, and emphasized that “ownership carries responsibilities,” including keeping the address of record current.

Reasoning

  • Returned “unclaimed” vs. “undeliverable.” Mail returned “unclaimed” at the correct address indicates the owner may be ignoring or evading notice; that is different from mail returned “undeliverable” (wrong/stale address), which more strongly signals the address is bad and triggers a duty to search further.
  • No duty of exhaustive outside search. Due process does not require the district to comb phone books, voter rolls, or other government databases; a reasonable search of the public record is the measure, calibrated to the circumstances.
  • Owner’s responsibility. As record owner, the party bears responsibility to keep the address of record updated to protect the ownership interest.

Practical impact

  • For tax districts / enforcing officers: When mailed foreclosure notice comes back, examine why. “Undeliverable” returns generally require a reasonable public-record search before proceeding; “unclaimed” returns to a verified-correct address may satisfy due process without more.
  • For former owners: A returned-mail failure can void a foreclosure only where the district failed the reasonable-search duty; an owner who let the address of record go stale, or who ignored mail at a correct address, faces a steep burden.
  • For purchasers / quiet-title: This is the test a New York title examiner applies to returned-mail notations in the foreclosure file; it is the line between a voidable defect and an adequately noticed sale. See void-vs-voidable.

Good-law status

Still good law. Decided 2003; repeatedly cited and applied by New York courts. It was refined (not overruled) by macnaughton-v-warren-county (2012), which elaborated the reasonable-search duty for returned-mail to property owners, and it remains consistent with the U.S. Supreme Court’s later jones-v-flowers (2006).

Why it matters

It is New York’s controlling rule for the most common tax-foreclosure defect — returned mail — drawing the practical line between an “unclaimed” return that does not defeat the sale and an “undeliverable” return that obligates the district to search its records before it can extinguish an owner’s interest.

Applies in →

new-york (binding statewide).


Legal information, not legal advice. This page summarizes a court decision for educational purposes and does not create an attorney-client relationship. Verify against the primary opinion and consult a licensed attorney in the relevant jurisdiction before acting. Last verified 2026-06-02.