Town Hall Address 3 Primrose Street Newtown, CT 06470 United States- Fairfield County Website http://www.newtown-ct.gov Town Clerk 203-270-4210 https://connecticut-townclerks-records.com/User/Login.aspx?ReturnURL=/index.aspx United States Tax Collector 203-270-4320 United States Assessor 203-270-4240 http://gis.vgsi.com/newtownct/ United States Building 203-270-4260 United States Zoning 203-270-4276 United States Tax District 203-426-1052 United States Water 203-426-2430 United States Probate Court Northern Fairfield County (PD-45) Tax Adjustment Uniform Fiscal Year- July, January Tax District Newtown Borough Tax District Indices General Index > real property > town taxes > tax district taxes Town Hall Hours Monday to Friday – 8:00 to 4:30 Water Source United Water Company Sewer Source Taax Collector County Fairfield