Town Hall Address 400 Main Street Ridgefield, CT 06877 United States- Fairfield County Website http://www.ridgefieldct.org Town Clerk 203-431-2783 https://cott.ridgefieldct.org/External/LandRecords/protected/SrchQuickName.aspx United States Tax Collector 203-431-2779 P.O. Box 299 United States Assessor 203-431-2710 http://www.propertyrecordcards.com/SearchMaster.aspx?towncode=118 United States Building 203-431-2743 United States Zoning 203-431-2766 United States Water 800-732-9678 United States Probate Court Northern Fairfield County (PD-45) Tax Adjustment Uniform Fiscal Year - July, October, January, April Tax District Twixt Hills District , Mimosa - Telephone numbers through Town Clerk Indices General Index > real property > town taxes > sewer assessment > sewer use > tax district taxes Town Hall Hours Monday to Friday – 8:30 to 4:30, Annex 8:00 to 4:00, Call for summer hours Water Source Aquarion, Also well and septic outside town Sewer Source Tax Collector County Fairfield