Greene County, New York property-tax payment and appeal deadlines
Tax bills, payment rules, and valuation-review windows are controlled by the local jurisdiction and the governing state framework. The reviewed record below separates published figures from items that still require confirmation with Greene County Real Property Tax Services.
Rate context
Confirmcounty, city, town, village, school-district, and special-district rates vary; the official county sources publish separate 2026 rate tables rather than one countywide effective rate.
Statement mailing
PublishedTown/county bills are sent in January 2026; school bills are sent in September 2026; village bills are sent in June 2026. Exact village mailing dates vary by village collector.
Payment deadline
PublishedTown/county taxes are due January 31, 2026; central school taxes are payable without interest by September 30, 2026; village payment dates vary by village collector. Greene County's official page states late town/county collection continues through July 31.
Valuation protest
PublishedMay 26, 2026 (the fourth Tuesday in May) is the standard New York Board of Assessment Review grievance day; local municipalities may publish alternate 2026 dates. File Form RP-524 with the applicable local assessor.
Do not assume a grace period.
The reviewed record identifies the payment timing above but does not establish a universal penalty schedule for this page. Late charges, interest, collection costs, tax-sale procedures, and lien or foreclosure timelines can depend on state law and the local collector’s process. If the deadline is close or a balance is delinquent, contact the tax collector directly and request the current payoff amount in writing.
Treat a published payment deadline as a hard operational date and retain your receipt or confirmation number.
From assessment to collection
01Valuation and notice
Review the assessment notice as soon as it arrives. The protest window may run from the notice date rather than from the payment due date.
02Statement and account review
Match the tax statement to the parcel or account number and confirm exemptions, assessed value, taxing units, credits, and balance.
03Payment confirmation
Use the official collector channel, then save the receipt, transaction reference, and date posted. A bank submission is not always the same as a county posting date.