All 62 New York counties and county equivalents. 10 have been checked against the county's own schedule; the rest follow the state schedule below.
New York statutory schedule
Instalment
Due
Notes
Annual (default)
February 1, 2027
Taxes are due January 1 and must be received without interest by January 31, or within 30 days of the collecting officer's receipt of the tax roll and warrant if that is later.
www.nysenate.gov Interest of 1% a month, and never less than 12% a year under RPTL 924-a, is added for each month or part of a month after the interest-free period until the tax is paid or returned to the county treasurer.
New York property tax is billed and collected county by county, so the collector — not the state — issues the bill. Very high: New York City runs its own July 1 to June 30 fiscal year with quarterly bills due July 1, October 1, January 1 and April 1 and a 15-day grace period, while Nassau, Suffolk, Westchester and several cities use different installment dates or their own local laws.
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CountyTaxDates is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.