NYC Court Reverses Injunction, Allowing Mamdani to Proceed With Second-Home Tax

New York City Mayor Zohran Mamdani secured a significant legal win Wednesday. A state appeals court panel of four judges unanimously reversed a lower court order that had forced his administration to scrap and restart the rollout of a tax on high-end second homes. The unanimous dismissal hinged on a single finding: the plaintiffs lacked legal standing. This decision effectively overturns a September ruling by a Staten Island judge who had concluded the city mishandled the implementation process.

With the injunction lifted, Mamdani’s team can press forward with the surcharge, often called a pied-à-terre tax. It remains a central pillar of his agenda to close the city's budget gap by asking wealthy New Yorkers to chip in more. The law, approved by the state Legislature in May, targets qualifying second homes. One- to three-family properties must be valued at $5 million or more to qualify. Condos and co-ops face a lower threshold, with values of $1 million or more triggering the tax.

The Department of Finance already sent initial determination notices to roughly 17,000 property owners back in July. Despite the September 29 ruling that ordered officials to restart the process, the city continued implementing the tax while it appealed. The appellate judges rejected the homeowners' claim that receiving a notice or appearing on valuation lists caused sufficient harm to sue. They also brushed aside arguments regarding privacy concerns or the costs of seeking exemptions as concrete injuries.

Mamdani reacted swiftly, accusing affluent owners of maneuvering to dodge their fiscal responsibilities. "From day one, those with the most have attempted to use every legal avenue available to shield their wealth and avoid contributing more to our city," he stated. The mayor views this victory as a necessary step in enforcing his financial vision for New York.

Randy Mastro, the attorney representing the homeowners, fired back with sharp criticism. He argued the court took a procedural shortcut, avoiding the actual merits of the case. "It’s a shame that, after the City admittedly botched the rollout of this surcharge, the court today took the procedural offramp of standing to avoid addressing the merits of this case," Mastro told Fox News Digital. He called the city's actions unconscionable, claiming they aim to ensnare thousands of people who don't owe the surcharge into proving they live in their own homes or face payment.

Mastro warned that this "lawless and chaotic data collection scheme" will remain unremedied. The legal battle is far from over. Another constitutional challenge is set for next month, with Mamdani’s administration preparing to defend the law against separate challenges in Suffolk County. The tax stands for now.