Chemung 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 Chemung County Real Property Tax Service Agency.
Rate context
Confirmrates vary by town, city, village, school district, and special district; no single countywide 2026 effective rate is published.
Statement mailing
Confirmeach taxing authority mails its own 2026 bills; no single countywide mailing date is published.
Payment deadline
Published2026 Chemung schedule: town and county taxes in full January 1-March 31; City of Elmira installments May 15 and September 15; most villages July 1-October 31; school schedules vary, including October 31 and March 31 installments for Elmira and Corning.
Valuation protest
PublishedMay 26, 2026 (fourth Tuesday in May) is the standard New York Board of Assessment Review grievance day; alternate dates may apply by municipality, so confirm with the 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.