Effective March 1, 2025 our credit card vendors charges will change. Debit Cards will increase from a flat fee to a 1.5% fee. Credit card fees will remain the same at a 2.55% fee.

The Treasurer's office will be closed Monday, February 17, 2025 for observance of President's Day


Welcome to the office of the Seneca County Treasurer

Important Dates:

  • First half taxes are due February 21 ,2025
  • Second half taxes are due July 18, 2025
  • Manufactured Home first half taxes are due March 3, 2025
  • Manufactured Home second half taxes are due July 31,2025


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


Contact Us



Treasurer's Office
(419) 447-1584
(419) 443-7920
 M-F 8:30am - 4:30pm
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