Town Hall Address 101 B Center St. Casstown, OH 45312 United States- Miami County Zoning (937) 335-5394 101 B Center St. Casstown, OH 45312 United States Fire District (937) 339-1514 4210 E State Route 55 Casstown, OH 45312 United States Town Clerk (937) 335-5394 101 B Center St. Casstown, OH 45312 United States Water (937) 440-5653 2200 North County Road 25-A Troy, OH 45373 United States Sewer (937) 440-5653 2200 North County Road 25-A Troy, OH 45373 United States Tax Collector (937) 335-5394 101 B Center St. Casstown, OH 45312 United States Code Enforcement (937) 335-5394 101 B Center St. Casstown, 45312 United States County Miami