Articles October 1, 2026 6 min read

NYC Pied-à-Terre Surcharge Ruling: Court Cancels Notices, but the October 6 Deadline Still Stands

State and Local Tax

Real Estate

On September 29, 2026, the New York Supreme Court, Richmond County, ruled against the New York City Department of Finance (DOF) over how it rolled out the new pied-à-terre surcharge. In O’Brien v. City of New York, the court:

Ordered DOF to take down a “Supplemental Roll” listing more than 900,000 properties.
Cancelled the surcharge notices DOF had mailed.
Required DOF to make individualized primary-residence determinations using the tax data it already has.
Eliminated DOF’s “exemption” process because it unconstitutionally shifted the burden of proof onto homeowners.

The City filed an appeal the same day and says the appeal automatically puts the ruling on hold. DOF continues to list October 6, 2026, as the deadline for exemption applications. The surcharge law itself remains in effect.

NYC Pied-à-Terre Surcharge Court Ruling: Key Takeaways

While the ruling invalidates key aspects of the DOF’s notice process, the pied-à-terre surcharge remains in effect and requires attention from affected property owners.

Keep the deadline. If you received a notice or an updated letter, plan to respond by the date in the letter, currently October 6.
The tax still applies. The case challenged how DOF administered the surcharge, not the statute.
Be careful what you send DOF. DOF has taken the position that tax returns owners submit to it are not covered by tax-secrecy protections.
Entity- and trust-held properties face the most scrutiny.
The constitutional holding is the most exposed on appeal. The rest of the decision is on firmer ground.

Background on the NYC Pied-à-Terre Surcharge

The surcharge was enacted in the 2026 New York State budget as Part HH of Chapter 59 of the Laws of 2026 (Tax Law art. 30-C; NYC Admin. Code §§ 11-3201 to 11-3208).

What properties are covered? 1–3 family homes valued at more than $5 million, and condo and co-op units valued at $1 million or more, when the property is not a primary residence.
When is the surcharge due? The first payments are due with the January 1, 2027, property tax bill.
How is residency determined? DOF must make an “initial determination” of primary residence based on the information available to it. The statute gives DOF access to state income tax records for that purpose.

In July, DOF did two things:

It posted a roll of more than 900,000 properties, 98–99% of which are not subject to the surcharge.
It mailed roughly 17,000 notices inviting owners to apply for an “exemption.”

DOF had 2024 income tax returns available but chose not to treat them as dispositive of residency.

Why the Court Ruled Against NYC’s Pied-à-Terre Surcharge Notice Process

The case was not moot. DOF reversed the named petitioners’ notices after they sued. The court decided the case anyway because the issues are novel, will recur each year, and would otherwise escape review (City of New York v. Maul, 14 NY3d 499 (2010)).
The Supplemental Roll was arbitrary and capricious. The statute calls for notice to owners who may actually owe the surcharge. Republishing nearly the entire residential tax roll went far beyond that. The court treated DOF’s later disclaimers as confirmation that the release was wrong.
DOF failed to make individualized determinations. DOF’s own rule (19 RCNY § 62-06) directs it to use the most recent income tax return for which data is “sufficiently available,” which in July 2026 was the 2024 return. The court held that refusing to rely on that data conflicted with both the statute and DOF’s own rule and was arbitrary.
The “exemption” process shifted the burden unconstitutionally. To disprove a status DOF never established, owners had to pay professional fees, risk a 50% penalty, and give up tax-return confidentiality. Relying on Speiser v. Randall, 357 US 513 (1958), the court held that the provisions requiring owners to prove primary residence to DOF’s satisfaction violate due process and cannot be enforced.

What the Court Ordered the NYC Department of Finance to Do

The court’s decision requires DOF to make several changes to how it administers and communicates the pied-à-terre surcharge.

The Supplemental Roll must come down. DOF may replace it with a roll listing only properties actually subject to the surcharge.
All previously mailed notices are canceled.
Any new notice must follow an individualized determination and must:
- Identify the property and the applicable threshold
- Explain the factors DOF considered
- Disclose the records DOF relied on
- Describe the owner’s appeal rights
- Warn of the potential 50% penalty

What’s Next for the NYC Pied-à-Terre Surcharge and Appeal

Appeal and stay. The City has appealed to the Appellate Division, Second Department. Under CPLR 5519(a)(1), a notice of appeal filed by a government party automatically stays enforcement of the judgment. Petitioners may ask the court to vacate or limit that stay under CPLR 5519(c). There may be room to argue over whether parts of the order that take effect on their own, such as the cancellation of the notices, are covered by the stay. For now, the City is treating the entire ruling as on hold.
A procedural vulnerability. When the constitutionality of a state statute is challenged in a case where the state is not a party, CPLR 1012(b) requires that the attorney general be notified. The court may not consider the challenge until proof of that notice is filed. The decision does not mention any such notice. That is likely to be a central point on appeal.
A separate challenge to the statute. A separate lawsuit filed in Suffolk County against New York State has been reported to seek a declaration that the surcharge law itself is invalid.

Assessment of the Decision

The statutory and arbitrary-and-capricious holdings appear to be well grounded. The due process holding is more vulnerable, for three reasons:

The petitioners expressly said they were not challenging the statute
The statute itself gives owners a way to submit proof of residence
The attorney general does not appear to have been notified under CPLR 1012(b)

An appellate court could affirm on the statutory grounds alone and still give owners most of what they are seeking.

What Property Owners Should Do Before the October 6 Deadline

Check your letter. DOF sent updated letters in late August. Some owners were cleared automatically, while others were told their 2025 tax data does not establish primary residence. Respond by the deadline in your most recent letter.
File your primary-residence support. DOF generally accepts a recent income tax return listing the property as your permanent home, or a DMV-issued ID, along with other evidence it permits.
Limit your disclosure. Submit what establishes residency and talk to your advisor before sending complete returns.
Review residency status for entity- and trust-held properties. Confirm the majority owners, beneficiaries or occupants whose residence may qualify the property.
Choose your forum carefully. The NYC Tax Commission route (Form TC107) is a separate process with separate deadlines and consequences. Speak with your advisor before filing it.
Keep your notice and portal security code.

Have Questions or Need Guidance?

For more information on this topic, please contact a member of our team.

Related Insights

View All Insights

Marketplace Facilitator Sales Tax: Overlooked Local Tax Obligations

A marketplace facilitator is generally a platform that connects third-party sellers with buyers and administers the transaction itself, from listing the goods or services through processing the customer’s payment. Although well-known marketplace facilitators include Amazon, Wayfair and Airbnb, the statutory definition extends well beyond the largest platforms, and many small marketplaces qualify as facilitators as…

Federal Bill Takes Aim at MSO/Friendly-PC Structures: The Tax Implications

A proposed federal bill targets the management services organization (MSO)/friendly professional corporation (PC) structure that underpins much of physician practice investment. H.R. 10444, the Stop Corporate Takeovers of Physicians Act of 2026, was introduced on September 16, 2026, by Rep. Val Hoyle (D-OR) and 10 cosponsors. It was referred to the House Energy and Commerce…

Salt shaker with SD, representing the state of South Dakota.

South Carolina State Tax Updates

For the latest news and updates on South Carolina state and local tax.