"Remember when the mansion tax started, and everyone said people aren't going to buy, and this is a problem, and it's going to ruin the real estate market? And nothing really happened," Melissa Cohn, regional vice president at William Raveis Mortgage, told Mortgage Professional America this July.
She was describing the market's reaction to New York's new pied-à-terre surcharge, which took effect July 1, 2026. The prediction was familiar: a new annual tax on non-primary luxury residences would push wealthy buyers to the sidelines or out of the city entirely. The Q2 2026 contract data says otherwise, and the reason is more interesting than "rich people don't care about taxes." The math on this particular tax structure actually rewards buying bigger, not smaller. That's the part most coverage of the story skips, and it's the part that matters if you're structuring an offer anywhere near a bracket line.
The Cliff a Buyer Feels Before the Pied-à-Terre Tax Even Applies
Before anyone gets to the new surcharge, every Manhattan buyer above $1 million already deals with New York's mansion tax, a one-time transfer tax paid at closing that jumps in steps rather than rising smoothly with price.
| Purchase Price | Mansion Tax Rate |
|---|---|
| $1M – $1,999,999 | 1.0% |
| $2M – $2,999,999 | 1.25% |
| $3M – $4,999,999 | 1.5% |
| $5M – $9,999,999 | 2.25% |
| $10M – $14,999,999 | 3.25% |
| $15M – $19,999,999 | 3.5% |
| $20M – $24,999,999 | 3.75% |
| $25M and above | 3.9% |
The rate applies to the entire purchase price once a deal crosses a threshold, not just the portion above it. A condo that closes at $4,999,000 owes mansion tax of $74,985, calculated at 1.5%. Add one thousand dollars to the contract price and the deal lands in the 2.25% bracket, which means the buyer now owes $112,500. One thousand dollars in negotiated price becomes $37,515 in additional tax. That single number explains a pattern anyone who has shopped Manhattan listings has probably noticed without naming it: apartments cluster at $999,000, $2.99 million, $4.95 million, and $9.95 million, and almost never sit at the round number just above.
The Second Tax Layered on Top
The pied-à-terre surcharge, formally New York's Tax Law Article 30-C, is a different animal. It is not a one-time closing cost. It is an annual charge of 4% to 6.5% on condos and co-ops valued at $1 million or more that are not the owner's primary residence, with one-to-three-family homes covered starting at $5 million. The law was signed May 28, 2026, took effect July 1, and runs through 2031. Primary residences are exempt, and so are unsold sponsor units and apartments without a certificate of occupancy.
This is the tax that was supposed to hollow out the pied-à-terre market, the trophy condos bought by people who spend a few weeks a year in the city. The New York City Comptroller's office projected the tax would raise between $340 million and $380 million a year, notably below the $500 million figure cited by Governor Kathy Hochul and Mayor Zohran Mamdani when the policy was introduced, according to a Mortgage Professional America analysis. That gap between projection and political messaging is itself worth noting, because it tells you the people doing the modeling didn't expect the tax to bite as hard as the headlines suggested.
Why the Percentage Shrinks as the Price Climbs
Here is the part that upends the obvious story. A Real Deal market analysis, cited by Mortgage Professional America, found that for properties above $25 million, the pied-à-terre surcharge works out to an effective rate of just 1.3%. At the very top of the market, where the tax was aimed squarely, its actual bite is smaller as a share of the purchase price than the mansion tax bracket a mid-market buyer pays just for closing.
That is not a typo in the law. It is a function of how the surcharge is structured against a market where the most expensive apartments carry proportionally lower carrying costs relative to the wealth behind them, and where cash buyers at that tier are less sensitive to an annual percentage than a financed buyer stretching for a $2 million co-op. The tax was built to target the top. The math ends up being gentlest there.
What the Contracts Actually Show
Compass's Q2 2026 Manhattan Market Report backs this up in the transaction data. Luxury condo contract activity in the $10 million to $20 million range climbed 54.5% year over year, and the $20 million-plus bracket posted a 33.3% increase in contract volume alongside a 13.9% rise in average asking prices. New construction told the same story. Contracts signed for new condos asking $10 million or more nearly doubled in Q2 2026 compared to the same period in 2025, rising to 38 from 22, according to The Real Deal, which reported that top-selling buildings included Related Companies' The Strathmore and Two Trees' One Domino Square. Not even included in that tally was an $80 million deal signed in June at Zeckendorf Development and Atlas Capital Group's 80 Clarkson.
"The $10 million-plus market is having a banner year," Robin Schneiderman of Brown Harris Stevens Development Marketing told The Real Deal, despite the pied-à-terre tax, elevated mortgage rates, and broader economic uncertainty that quarter.
Meanwhile the market overall hit a record. Manhattan's median sale price reached $1.25 million in Q2 2026, up 4.2% year over year, according to appraiser Jonathan Miller's Housing Notes as reported by Habitat Magazine. The top 10% of the market, the threshold that actually defines "luxury" in Miller's methodology, began at $4.45 million in Q2 2026. Miller separately reported that luxury inventory sat at its lowest level since he began tracking it in 2004, down roughly 40% from the prior year, according to Mortgage Professional America's coverage of the same report. Scarcity, not enthusiasm, is doing a lot of the work behind that record median. There is simply less to buy at the top, so the deals that do close skew pricier.
The Nuance the Weekly Numbers Reveal
The quarterly data is convincing, but it smooths over a rockier first few days. Olshan Realty's weekly luxury contract tracker showed the first full week after the tax took effect came in mixed: contract volume actually rose from the holiday week before it, but only one apartment signed above $10 million, among the thinnest such weeks in recent memory.
July gave a clearer answer. Corcoran's July 2026 report described it as the best July for signed contracts in five years, with condo sales up 12% year over year even as co-op contracts dipped a slight 1%. Buyers moved fast, with average days on market falling 15% year over year to 104 days, about three weeks below the historical July average. Discounts off the last asking price actually narrowed to 2.8% overall, with condos averaging 3.1% below ask and co-ops 2.2% below ask. Activity between $3 million and $5 million saw the largest annual increase of any price band, driven by strong resale condo activity south of 34th Street. That band happens to straddle two of the sharpest mansion tax cliffs on the chart above, which suggests buyers there are negotiating around the thresholds rather than being scared off by them.
Not every submarket shared in the gains. Upper Manhattan posted the steepest increase, up 23% with 19 additional deals, while the Financial District and Battery Park City saw the sharpest decline, down 14% with seven fewer deals.
What This Means If You're Structuring an Offer
None of this changes the fact that an attorney, not a spreadsheet, should be the one finalizing how a contract price interacts with these brackets. But a few things are worth understanding before that conversation starts.
Co-ops and condos are not taxed on the same basis. For a co-op, the mansion tax is calculated on the contract price plus the buyer's proportional share of the building's underlying mortgage, which means the effective tax on a co-op can run higher than on a similarly priced condo. That difference is one reason co-ops often trade at a lower price per square foot than comparable condos in the same building class, separate from any preference around board approval or flip taxes.
Carrying costs diverge too. The average monthly maintenance on a Manhattan co-op sale in Q2 2026 was $3,077, or $2.83 per square foot, up 10.2% and 16% year over year respectively, according to Miller Samuel data reported by Brick Underground. The average monthly condo common charge plus real estate taxes ran $4,466, or $3.37 per square foot. A buyer weighing product type against a $5 million or $10 million bracket line is weighing two different tax bases and two different ongoing cost structures at the same time, which is exactly the kind of layered math a finance-minded advisor should be running before an offer goes in, not after.
Frequently Asked Questions
Does the pied-à-terre surcharge apply to a primary residence? No. The law exempts owner-occupied primary homes, along with unsold sponsor units and apartments without a certificate of occupancy.
Is the mansion tax the same thing as the pied-à-terre tax? No. The mansion tax is a one-time transfer tax paid at closing on residential purchases of $1 million or more. The pied-à-terre surcharge is a separate, recurring annual charge on non-primary condos and co-ops valued at $1 million or more, layered on top of existing property taxes.
Does a seller credit at closing help a buyer avoid a higher mansion tax bracket? The tax is calculated on the stated contract price, not the price net of any credit. Moving into a lower bracket requires changing the contract price itself.
Every one of these mechanics changes depending on whether you're buying a condo or a co-op, a resale or a sponsor unit, a primary residence or a second home. That's the kind of math worth running before you write an offer, not after your attorney flags it at the closing table.
If you're weighing a Manhattan purchase against these brackets, or trying to figure out what a specific price point actually costs once every layer is counted, William Martin offers a private, investment-grade consultation built around exactly this kind of analysis.
