Welcome to the office of the Seneca County Treasurer

Online Payments Are Now Available!

Card: 2.55% with $2.00 minimum fee

Debit Card: 1.5% with $3.95 minimum fee

ACH: $1.50 flat fee

Important Dates:

HOLIDAY SCHEDULE

November 27 & 28, 2025-closed all day

December 24, 2025-closed at noon

December 25, 2025-closed all day

January 1, 2026-closed all day

TAX DUE DATE SCHEDULE

Real Estate first half taxes are due February 20, 2026

Real Estate second half taxes are due July 17, 2026

Manufactured Home first half taxes are due March 2, 2026

Manufactured Home second half taxes are due July 31, 2026

The Seneca County Treasurer serves as Seneca County's chief investment officer, the administrator of delinquent tax collections and the keeper of the property tax escrow account. The Treasurer serves as the county banker, safe keeper of all taxes and investor of local funds.

Thank you for visiting our site! Please email any comments, suggestions, or other concerns to the Seneca County Treasurer

View and pay your real estate tax bill. Start here.

View current tax rates and calculations. Learn more.

View and print official tax forms and documents. Learn more.