Seneca County Office

3140 South State Route 100, Suite E
Tiffin, OH 44883

Hours of Operation

8:00 am-4:30 pm
By Appointment


County News

  1. 2024 Graduating Seniors

    Congratulations class of 2024! I would like to collect your picture and future plans to highlight you on our website, Ohio State University Extension- Seneca County Facebook page, and in the Jr. Fair Booth Building at the Seneca County Fair. With that said, I need your information.
  2. 2024 Royalty Applications

    The 2024 Seneca County Fair Royalty Applications are now available!  If you are intersted in representing the Jr. Fair as the King or Queen, in your Species, or misc. project area, please check out the application and get it turned in! 
  3. We're Hiring! Summer Student 4-H Program Assistant

    Apply today to be a part of the OSU Extension, Seneca County team! We are hiring a 2024 4-H Summer Program Assistant to start in May and be with us through August. The applicant can not currently be enrolled in 4-H. Applicants must not be a current Seneca County 4-H Volunteer. Applicants must apply...