Town Hall Address 245 deKoven Drive Middletown, CT 06457 United States- Middlesex County Website http://www.cityofmiddletown.com Town Clerk 860-638-4910 https://connecticut-townclerks-records.com/User/Login.aspx?ReturnURL=/index.aspx United States Tax Collector 860-638-4900 United States Assessor 860-638-4930 http://gis.vgsi.com/middletownct/ United States Building 860-638-4870 United States Zoning 860-638-4840 United States Fire District 860-638-3200 United States Water 860-638-3500 United States Sewer 860-638-3500 United States Probate Court Middletown (PD-15) Tax Adjustment Uniform Fiscal Year- July, January Indices General Index > real property > town taxes > sanitation charge > sewer assessment > sewer use > water use > fire district taxes Town Hall Hours Monday to Friday – 8:30 to 4:30 Fire District Middletown Fire Department Water Source Town Water and Sewer Dept. Sewer Source Town Water and Sewer Dept. County Middlesex