Town Hall Address 136 N Oak Street Ottawa, OH 45875 United States- Putnam County Website https://www.ottawaohio.us/ Zoning 419-523-5020 136 N Oak Street Ottawa, OH 45875 United States Fire District 419-523-5020 850 N Agner Street Ottawa, OH 45875 United States Town Clerk 419-523-5020 136 N Oak Street Ottawa, OH 45875 United States Water 419-523-3796 1972 Agner Street Ottawa, OH 45875 United States Sewer 419-523-0020 1371 Defiance Street Ottawa, OH 45875 United States Tax Collector 419-523-5020 136 N Oak Street Ottawa, OH 45875 United States Code Enforcement 419-523-5020 136 N Oak Street Ottawa, 45875 United States Town Hall Hours M-F 7:30-4:30 County Putnam