Seneca County Permits

The county engineer will review and process all permits on county roads across Seneca county and also all permits on township roads except in the following townships:

Eden, Liberty, Pleasant, Reed and Scipio

Please contact these townships to process the following permits needed. (Refer to Township Info page for more contact information)

The county engineer will accept all permits completed in person at the Seneca County Engineers Office, 3300 S. TR 151, Tiffin, OH 44883.


Driveway Permit


Railroad Permit


Right of Way Permit


Utility Permit


Special Haul Permit