Pied-à-terre rollout annulled. The co-op share problem stays.

On September 29, 2026, Justice Wayne M. Ozzi of Richmond County Supreme Court annulled the Department of Finance's pied-à-terre surcharge rollout in O'Brien v. City of New York, Index No. 85217/2026, and ordered the city to start over. The court found that DOF published nearly a million homeowners in a searchable database before completing any taxability determination, reversing the burden of proof that New York tax law places on the government. For co-op and condo owners with a pending October 6 exemption deadline, here is what changed, what is still in procedural limbo, and what the ruling cannot fix.

What the court found.

Justice Ozzi's order rests on four findings. First, DOF published a supplemental property roll listing approximately 960,000 properties before completing any determination of which ones actually owed the surcharge. A property roll under New York tax law is a statement of tax liability. Publishing one for 960,000 properties before completing the underlying analysis converted what should have been a government determination into an owner-rebuttal exercise. Second, the roughly 17,000 notices DOF mailed were procedurally defective because they were not grounded in completed taxability findings for the specific properties they named. Third, the court found no statutory authority in Tax Law Article 30-C or elsewhere for publishing a searchable database of 960,000 homeowners before any of them had been determined to owe the surcharge. Fourth, on remedy: the roll must come down and be replaced with a roll listing only properties DOF has affirmatively determined are subject to the surcharge. The 17,000 notices are cancelled. DOF must use "any and all resources and information available" to make taxability determinations before notifying any owner.

The court did not rule on whether Tax Law Article 30-C is constitutional. The $1 million market-value threshold for co-op and condo units, the Phase 1 surcharge rates of 4.0 percent to 6.5 percent, and the building-lien collection mechanism that runs through co-op corporations remain unchanged. What was annulled is the method, not the statute.

The October 6 deadline is in limbo, not gone.

The city is expected to appeal and to seek a stay from the Appellate Division, Second Department. Under CPLR 5519(a)(1), a political subdivision that timely files a notice of appeal is entitled to an automatic stay of a lower court order. That is the same mechanism that allowed DOF to keep its roll and notices in place for seven weeks after Justice Ozzi issued the August 10 temporary restraining order in this case. If DOF files that appeal and the Appellate Division does not vacate the stay, the October 6 deadline may resume effect and the original process continues under that date.

If the Appellate Division grants a stay without conditions, co-op and condo owners face the original October 6 deadline under the original notice framework. If the Appellate Division vacates or modifies the stay, the roll comes down and DOF must build a new verified roll, which creates a new notice and deadline timeline.

Co-op and condo owners who have already filed an exemption application have preserved their administrative record regardless of how the appellate courts rule. Owners who have not filed face a less certain path: the Tax Commission route available to Class 2 properties runs to March 1, 2027, but that route reviews assessment methodology, not surcharge exemption status, and its procedural posture after a DOF restart is unsettled. Filing an exemption application before October 6 is the more defensible position.

The specific problem "verify first" creates for co-op shares.

Justice Ozzi's "verify first" remedy is sound in principle. For one-to-three-family homes and standalone condominiums, a deed is recorded in ACRIS, the city's Automated City Register Information System. DOF can cross-reference deed recording addresses, mailing addresses, and income-tax filing data to build a preliminary list of likely pieds-à-terre before it sends a notice. The process involves judgment and incomplete data, but it has a data path: every transfer of a condo unit or single-family home leaves a public ACRIS record linking the buyer to an address.

Co-op shares do not work this way. A co-op shareholder holds shares in a cooperative corporation (typically a New York Business Corporation Law entity), not a fee interest in real property. The transfer is documented in a proprietary lease assignment. That assignment is not recorded as a deed and does not appear in ACRIS by unit address. DOF does not receive a standard deed recording for co-op unit sales. Its primary data source for identifying whether a specific co-op unit has changed hands is the building's own proprietary lease records, which DOF does not hold and which no current statute requires co-op corporations to report to any city agency on transfer.

To determine whether a given co-op unit is a primary residence without relying on the owner's own declaration, DOF must either match income-tax filing addresses, which are self-reported and often reflect mailing preferences rather than actual primary residence, or contact the co-op corporation directly for lease assignment history. Neither approach scales to the city's estimated 120,000-plus co-op units in the surcharge range, and neither is compelled by current law.

The August TRO record documented one consequence of applying a deed-based model to a share-based system: DOF published 36,700 individual co-op apartment valuations that had never before been made public, including apartments whose only connection to the surcharge was that a neighbor's share allocation placed the building's assessed-value average in range. That was not the result of deliberate overreach. It was the predictable output of a verification model designed for deed-recorded properties applied to buildings where no deed record exists for individual units.

What a compliant "verify first" system requires for co-ops.

A verification-first approach that satisfies Justice Ozzi's order for co-op units requires at minimum three things New York currently lacks. First, a primary-residence registry: a maintained record linking co-op share certificates to the owner's primary-residence declaration, updated on each transfer. The August 6 post traced why New York has never built one: the state has enacted notices, clocks, and labels for the ownership side, but no registry on the government side. DOF improvised the September 2 income-data fix, using State income tax records six months early to correct 1,210 erroneous first-mailing entries, because it had no standing registry to consult. The court's order requires the outcome that a registry would produce, but does not create the registry.

Second, a DOF access right to co-op proprietary lease assignment records. No current statute gives DOF the authority to demand those records on a building-by-building basis outside of a formal audit. Third, a standardized co-op transfer reporting obligation that routes ownership data to DOF at closing. A condo unit sale creates an ACRIS deed recording automatically. A co-op share transfer generates no government record unless the co-op corporation files one, which is not required.

None of these three requirements appear in Tax Law Article 30-C. The court's order requires the outcome; the statute does not supply the mechanism to reach it for the share-based segment of the city's residential housing stock.

What the ruling did not address: the RPTL 581 valuation basis.

Justice Ozzi's order is a procedural ruling. It did not address the substantive valuation problem that created the co-op-specific disparity the TRO record surfaced.

Real Property Tax Law §581 requires DOF to value co-op and condo units by capitalizing estimated rental income, not by comparable sales. The income-capitalization method produces market values that bear no reliable relationship to sale prices. A one-bedroom co-op on the Upper West Side that would sell for approximately $850,000 can carry a DOF market value under RPTL §581 that reaches or exceeds $1 million, placing it in surcharge scope. A co-op with a comparable sale price of $1.5 million can carry a lower DOF market value if the building's income model produces a lower capitalized figure. The surcharge applies based on the DOF market value, not on whether the apartment is worth $1 million by any comparable-sales measure.

The August TRO record shows that DOF declined a formal request to allow comparable sales prices to serve as a corrective on the $1 million co-op threshold. That decision was not changed by the September 29 ruling. DOF's next rollout, built on "verify first" principles, will still apply the RPTL §581 market-value threshold. The valuation disparity that swept in apartments whose owners had no reason to think they were in surcharge range will be embedded in the next roll by statute, not by DOF error.

The managing agent who handles co-op financial filings, responds to DOF inquiries on behalf of the building, and coordinates between the co-op corporation and individual shareholders on surcharge collection holds no state license in New York.

Bottom line.

Justice Ozzi's September 29 ruling is a procedural reset. DOF's original process (publish everyone, require opt-out proof) was found unlawful. The remedy is specific: verify taxability first, then notify. That is the right sequence.

The ruling cannot supply the infrastructure the remedy requires for co-op units. New York has no primary-residence registry, no ACRIS deed records for co-op transfers, and no statutory mechanism requiring co-op corporations to report ownership data to DOF in real time. Without those three things, the "verify first" approach that works for condominiums and one-to-three-family homes has no equivalent data path for co-op shares. DOF will have to improvise again, against the same structural gap that caused the first rollout to fail. The tax is valid law. The enforcement mechanism against approximately 120,000 co-op units in the market-value range, in a state that tracks no co-op share transfers and maintains no primary-residence registry, remains an open problem the annulment order does not resolve.

Primary sources: O'Brien v. City of New York, Richmond County Sup. Ct., Index No. 85217/2026 (Sept. 29, 2026); N.Y. Tax Law Article 30-C (pied-à-terre surcharge, eff. July 1, 2026); Real Property Tax Law §581 (income-capitalization valuation for co-ops and condos); CNN, Sept. 29, 2026; Bloomberg, Sept. 29, 2026; The City Reporter, Sept. 29, 2026.

Companion resources: What the August TRO found that the press missed (Aug. 11) · How to file a pied-à-terre exemption before October 6 (Aug. 6) · One shareholder's unpaid surcharge can lien your entire co-op building · The August 7 lawsuit: what O'Brien v. NYC argued · DOF's income-data fix and what a registry would do instead (Sept. 2) · CCNYC legislative graveyard