New York State Property Tax Grievance
Filing Deadlines

If you would like Aventine Properties to represent you in your tax greivance case you must submit applications and documents before the deadline. Missing the deadline means overpaying taxes for ANOTHER YEAR!

Yonkers
Monday November 17th, 2025

Long Beach City
Wednesday January 21st, 2026

White Plains
Wednesday January 21st, 2026

Village Filings (all counties)
Tuesday February 17th, 2026

Nassau
Monday March 2nd, 2026

Suffolk
Tuesday May 19th, 2026

All Other Counties
Tuesday May 26th, 2026

Including: Columbia, Delaware, Dutchess, Greene, Monroe, Orange, Putnam, Rockland, Sullivan, & Ulster

Glen Cove City
Tuesday June 16th, 2026

Westchester
Tuesday June 16th, 2026

New York State Property Tax Grievance Filing Deadlines

Yonkers Monday November 17th, 2025

Long Beach City Wednesday January 21st, 2026

White Plains Wednesday January 21st, 2026

Village Filings (all counties) Tuesday February 17th, 2026

Nassau Monday March 2nd, 2026

Suffolk Tuesday May 19th, 2026

All Other Counties Tuesday May 26th, 2026

Glen Cove City Tuesday June 16th, 2026

Westchester Tuesday June 16th, 2026