JENNIFER J. WIDMER
Ottawa County Auditor | Ottawa County, Ohio

Important Dates


Tax Due Dates 2025 Payable 2026

Real Estate

  • First Half- February 19th, 2026
  • Second Half- TBD

Manufactured Homes

  • First Half- March 5th, 2026
  • Second Half- TBD
Agricultural Tax Reduction Programs

CAUV and Agricultural District

Renewals and Intitial Applications are Due the First Monday in March

  • March 2nd 2026

Conservation Contracts While these should be filed with the application/ renewal we will accept them for the current tax year through October

  • October 1st 2026
Board of Revision

Paperwork is only made available during the filing period from January 1st to March 31st.

Our office is accepting cases starting Friday January 2nd 2026.

  • March 31st 2026