Town Hall Address 8 Community Avenue Plainfield, CT 06374 United States- Windham County Website https://www.plainfieldct.org/ Town Clerk 860-230-3010 http://www.searchiqs.com/ United States Tax Collector 860-230-3018 United States Assessor 860-230-3006 http://gis.vgsi.com/plainfieldct/ United States Building 860-230-3012 United States Zoning 860-230-3028 United States Water 860-774-8889 United States Probate Court Plainfield-Killingly Regional (PD-27) Tax Adjustment Uniform Fiscal Year- July, January Indices General Index > real property > town taxes > sewer assessment > sewer use > fire district taxes Town Hall Hours Monday to Weds – 8:30 to 5:00, Thurs 8:00-6:00 Fire District Central Village , Moosup , Plainfield , Wauregan - Telephone numbers through Town Clerk Water Source Crystal Water Company Sewer Source Tax Collector County Windham