File NYC real property tax assessment protest—Class 1 properties.
Today is the last day to apply to the DOF’s Property Division for a reduction of the 2026–27assessment for Class 1 properties. DOF must receive the application on or before March 16,2026. If you file by mail, make sure you mail it far enough in advance to arrive by this date. If your application is hand-delivered, you must bring it to the office on or before March 16, 2026.
