New York City Mayor Zohran Mamdani's office said the extension will give homeowners more time to "demonstrate they are not subject to the surcharge."

Mamdani’s pied‑à‑terre tax adds new costs for non‑resident owners and raises questions about revenue, residency incentives and risks for New York City’s tax base.

NYC's pied-à-terre tax rollout draws criticism over a searchable property database, privacy concerns and implementation questions.