Putnam County

Ottawa, OH - County Seat


Putnam County Engineer:

Michael L. Lenhart P.E. P.S.

245 E. Main St., Suite 205

Ottawa, OH 45875

Phone: 419-523-6931

Fax: 419-523-6014

Office Hours:

Mon.-Fri. 8:30AM - 4:30PM


Ohio’s County Engineers


We are in the process of updating our website. If the text on certain pages doesn't seem to match the heading, it hasn't been updated yet. Please contact the office at 419-523-6931 if you need assistance locating information. We're planning for the new website to provide more information, including "Who to Contact" and various public records. Thank you for your patience during this process.