Town Hall Address One North Plum St. Germantown, OH 45327 United States- Montgomery County Website http://germantown.oh.us/ Fire District 937-855-6567 75 N Walnut ST Germantown, OH 45327 United States Town Clerk 937-855-7255 One North Plum St. Germantown, OH 45327 United States Water 937-855-7260 One North Plum St. Germantown, OH 45327 United States Sewer 937-855-7260 One North Plum St. Germantown, OH 45327 United States Tax Collector 937-855-7270 One North Plum St. Germantown, OH 45327 United States Code Enforcement 937-855-7255 One North Plum St. Germantown, 45327 United States County Montgomery