Town Hall Address 118 North Main St. Union, OH 45322 United States- Miami, Montgomery County Website https://www.unionoh.org/ Zoning 937-836-8624 118 North Main St. Union, OH 45322 United States Fire District 937-836-6452 109 W Martindale Rd. Union, OH 45322 United States Town Clerk 937-836-8624 118 North Main St. Union, OH 45322 United States Water 937-836-8624 118 North Main St. Union, OH 45322 United States Sewer 937-836-8624 118 North Main St. Union, OH 45322 United States Tax Collector 937-836-8624 118 North Main St. Union, OH 45322 United States Code Enforcement 937-836-8624 118 North Main St. Union, 45322 United States County Miami, Montgomery