Mayor Mamdani and Commissioner Lee Extend Deadline for Pied-à-Terre Tax Exemption Application

NEW YORK – Today, Mayor Zohran Kwame Mamdani and Department of Finance Commissioner Richard Lee announced a four-week extension for homeowners to submit exemption applications for the City’s non-primary residence property surcharge, giving eligible property owners until Sept. 18, 2026 to apply. The extended deadline applies to everyone who received a “You may be subject.

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The original announcement was published by NYC Mayor on August 1, 2026. BigNY links to the official source so readers can review the full context directly.