Town Hall Address 31 Park Street Guilford, CT 06437 United States- New Haven County Website http://www.ci.guilford.ct.us Town Clerk 203-453-8001 https://connecticut-townclerks-records.com/User/Login.aspx?ReturnURL=/index.aspx United States Tax Collector 203-453-8014 United States Assessor 203-453-8010 http://www.propertyrecordcards.com/SearchMaster.aspx?towncode=060 United States Building 203-453-8029 United States Zoning 203-453-8039 United States Probate Court Madison-Guilford (PD-34) Tax Adjustment Uniform Fiscal Year- July, January Tax District Guilford Lakes , Indian Cove , Old Quarry , Sachems Head , Sunrise District; Telephone numbers through Town Clerk Indices General Index > real property > town taxes > tax district taxes Town Hall Hours Monday to Friday – 8:30 to 4:30 Water Source All well & septic-- some public water County New Haven