Mayor Zohran Mamdani’s administration has published a searchable database of Big Apple properties that could fall under the state’s new pied-à-terre tax, effectively doxxing thousands of wealthy New Yorkers.
The city’s Department of Finance uploaded the comprehensive list – which purports to cover all unoccupied, non-primary residences in the five boroughs worth north of $1 million – including the full names and addresses of every property owner.
“It’s a reckless and foolish move, especially considering there are potentially thousands of properties on this list that do not qualify as second homes or whose owners will successfully dispute their inclusion,” Council Minority Leader David Carr (R-Staten Island) — whose own home appears on the list — told The Post Monday.
The move follows a widely panned X post by the mayor in which he put wealthy residents on notice to “check your mailbox when you’re back in the five boroughs, because you’ve got mail,” a warning that notification letters were on their way.
“The best city in the world deserves the best parks, libraries, and schools in the world. That’s only possible when we all pay our fair share,” Mamdani wrote Thursday.
The socialist darling has long touted the policy enacted by Gov. Kathy Hochul and Albany Democrats to tax second homes in the city – though critics have warned it could cause property values to plummet.
Mamdani threatened to raise city property taxes by a staggering 9.5% in February unless he was allowed to “tax the rich” to cover a $12 billion budget gap that was later revised down to $5.4 billion.
City Hall estimates the pied-à-terre tax would yield $500 million per year for the Big Apple’s budget.
But Democratic city Comptroller Mark Levine’s office said the real figure would be closer to $340 to $380 million and could diminish over time.
Unsurprisingly, the colossal database of names and addresses included several A-list New Yorkers, including director Woody Allen, longtime Vogue editor Anna Wintour and actress Cynthia Nixon — a loyal Mamdani supporter.
What is surprising is the document’s sheer size and some of the properties included.
Citywide, The Post counted over 960,000 residences and individuals listed as potentially in line to be hit with Mamdani’s pied-à-terre tax, even though just 31,000 homes were supposed to be subjected to the new levy as he and Hochul initially sold it to the public.
Many of the homes included in the database appeared to be misaligned with a tax aimed at well-heeled residents with multi-million dollar vacation homes, including some two dozen modest homes on Chaffee Avenue in working-class Throggs Neck in the Bronx.
Challenger Drive on Staten Island was another middle-class enclave with dozens of addresses appearing on Mamdani’s list, though it wasn’t clear that they were in fact second homes.
The average home values on Chaffee Avenue and Challenger Drive ranged from mid-$500,000s to the low $800,000s — a far cry from the price tag of your average New York summer residence.
One address appearing on the list is the Breezy Point Shopping Center in Rockaway, Queens, a small outdoor mall containing several shops, which is definitely not a vacation home.
“All the mayor is doing is tanking the luxury home market in NYC and sending millions of dollars in real estate business to other states. But the upside is Mamdani is a shoo-in for ‘Realtor of the Year’ in Texas and Florida,” Carr railed.
Steven Fulop, president and CEO of the Partnership for NYC, a nonprofit business advocacy group, said the list “raises real safety and privacy concerns.”
“Publishing individual property owners’ names and home addresses raises real safety and privacy concerns that go well beyond the tax debate itself. Transparency about how a new tax is administered doesn’t require putting private citizens’ addresses into a searchable public database that can put people in harm’s way,” he said.
“In a political climate this polarized, the mayor didn’t need to invite that kind of risk — we should be looking for ways to dial down tensions, not heighten them. We’d urge the administration to revisit this approach.”
The mayor is just getting started in fulfilling his campaign pledge to siphon funds from rich New Yorkers to bankroll his wealth redistribution agenda.
But it turns out even the middle-class isn’t safe from the pricey giveaways on his wishlist, which are being funded by the $23 billion in taxes Mamdani has backed since being sworn in.
He’s also pushing ahead with a months-long pressure campaign for even more new state taxes, including on city property owners, The Post reported last week.


