Town Hall Address 100 Bentley Drive, P.O. Box 66 Harwinton, CT 06791 United States- Litchfield County Website http://www.harwinton.us Town Clerk 860-485-9613 https://connecticut-townclerks-records.com/User/Login.aspx?ReturnURL=/index.aspx United States Tax Collector 860-485-0446 United States Assessor 860-485-0898 http://qpublic9.qpublic.net/ga_search_dw.php?county=ct_harwinton United States Building 860-485-9051 United States Zoning 860-485-2784 United States Tax District 860-485-1231 United States Probate Court Litchfield Hills (PD-24) Tax Adjustment Uniform Fiscal Year- July, January Tax District Lake Harwinton Indices General Index > real property > town taxes > sewer assessment > sewer use > tax district taxes Town Hall Hours Monday, Tuesday and Thursday – 8:30 to 4:00, Wednesday – 8:30 to 6:00, Friday – 8:30 to 12:30 Water Source Mostly well and septic/ Torrington Water Company Sewer Source WPCA / Tax Collector County Litchfield