Ulster 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 Ulster County Real Property Tax Service Agency.
Rate context
ConfirmNot published in the reviewed official sources.
Statement mailing
PublishedJanuary 1 for general county/city/town/special-district taxes; September 1 for central-school taxes; June 1 for Ellenville, New Paltz, and Saugerties village taxes.
Payment deadline
Published2026 general taxes are due January 31 without penalty; central-school taxes are due September 30 without penalty; village taxes are due before July 1 without penalty; Kingston City and local collection rules differ.
Valuation protest
Published2026 assessment grievance deadline varies by municipality; owners must file with the local assessor/Board of Assessment Review on the local Grievance Day.
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.