New York property tax appeal guide
AppealTax can help review your assessment, identify errors, organize comparable sales, and prepare a clearer challenge before the local appeal window closes.
Start by checking your Notice of Valuation and gathering your county property record.
New York County Guides
Select your county or county-equivalent below for local property tax appeal guidance, basic deadline context, assessment-review steps, and residential tax-bill benchmarks.
Allegany County
Bronx County
Broome County
Cattaraugus County
Cayuga County
Chautauqua County
Chemung County
Chenango County
Clinton County
Columbia County
Cortland County
Delaware County
Dutchess County
Erie County
Essex County
Franklin County
Fulton County
Genesee County
Greene County
Hamilton County
Herkimer County
Jefferson County
Kings County
Lewis County
Livingston County
Madison County
Monroe County
Montgomery County
Nassau County
New York County
Niagara County
Oneida County
Onondaga County
Ontario County
Orange County
Orleans County
Oswego County
Otsego County
Putnam County
Queens County
Rensselaer County
Richmond County
Rockland County
St. Lawrence County
Saratoga County
Schenectady County
Schoharie County
Schuyler County
Seneca County
Steuben County
Suffolk County
Sullivan County
Tioga County
Tompkins County
Ulster County
Warren County
Washington County
Wayne County
Westchester County
Wyoming County
Yates County
Statewide Residential Benchmark
A broad statewide benchmark for New York is an effective property tax rate of about 1.23% of home value. On a $400,000 residential property, that equals about $4,920 per year. This is a statewide comparison point, not a guarantee of what any parcel will owe.
Basic statewide deadlines
New York appeal windows move fast
Most New York municipalities use Grievance Day, commonly the fourth Tuesday in May, with New York City and some local exceptions.
Start by checking your Notice of Valuation and gathering your county property record.
Then confirm the current year’s instructions with your county assessor, local board, municipality, or state tax authority, especially if a deadline falls on a weekend or legal holiday.
Common questions
When is the New York property tax appeal deadline?
Most New York municipalities use Grievance Day, commonly the fourth Tuesday in May, with New York City and some local exceptions. Confirm the exact current-year deadline with your local assessing office.
What should I gather first?
Gather your assessment notice, property record card, tax bill, exemption information, photos, repair estimates, and comparable sales.
Can AppealTax help with a New York assessment review?
AppealTax can help review your assessment, identify errors, organize comparable sales, and prepare a clearer challenge before the appeal window closes.