How to appeal property taxes in New York
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official New York sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Bronx County
Bronx Class 1 appeals were due March 16, 2026; next regular deadline is March 15, 2027. See the 20.909% rate, STAR/SCHE tips, and filing steps.
Erie County
Erie County, NY tax appeal guide: the next deadline is Dec. 31, 2026 in Buffalo. Learn the forms, filing rules, evidence, rates, and savings.
Kings County
Kings County homeowners: 2026/27 NYC Tax Commission appeal deadlines were Mar. 16 (Class 1) and Mar. 2 (others). Learn the forms, fees, and filing steps.
Livingston County
York NY 2026 grievance deadline was May 26 at 8 PM. See RP-524 filing steps, STAR exemptions, and a $27.53/$1,000 tax example.
Monroe County
Monroe County property tax appeal deadlines: Rochester Mar. 17, towns May 26, 2026. See rates, STAR/senior exemptions, and BAR filing steps.
Nassau County
Missed Nassau's 2026 ARC appeal deadline? The next regular filing window opens March 1, 2027. Learn required forms, filing options, hearings, and savings.
New York County
Manhattan property tax appeals: Class 2 deadline was March 2, 2026; Class 1 was March 16. Check STAR and co-op/condo abatements.
Onondaga County
Onondaga property tax appeal guide: 2026 town deadline was May 26; next is May 25, 2027. Check STAR, senior and veterans exemptions.
Queens County
Queens property tax appeals for Class 1 homes were due March 16, 2026. See the exact forms, filing places, fees, hearing steps, and potential savings.
Richmond County
Richmond property tax guide for Staten Island homeowners: March 16, 2026 appeal deadline, NYC Tax Commission rules, 19.843% rate, STAR.
Suffolk County
Suffolk County's 2026 grievance deadline was May 19; the next is May 18, 2027. File Form RP-524 with your town assessor, not the county office.
Westchester County
Westchester homeowners: most 2026 town grievances were due June 16. Learn where to file RP-524, evidence tips, fees, timelines, and savings.
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