Town Hall Address 200 Orange Street New Haven, CT 06510 United States- New Haven County Website https://www.newhavenct.gov/ Town Clerk 203-946-8349 http://www.searchiqs.com/ United States Tax Collector 203-946-8054 United States Assessor 203-946-4800 http://gis.vgsi.com/newhavenct/ United States Building 203-946-8045 United States Zoning 203-946-6379 United States Water 203-401-2654 United States Sewer 203-776-3570 United States Probate Court New Haven (PD-38) Tax Adjustment Uniform Fiscal Year- July, January Tax District Ninth Square through Tax Collector Indices Real property in General Index > Town taxes in Tax Lien Index > Sewer assessment liens in Sewer Assessment Lien Index > Sewer use liens in Sewer Lien Index > Water pollution assessment in Water Pollution Assessment Index Town Hall Hours Monday to Friday – 9:00 to 5:00 Recordings accepted until 4:00 Water Source South Central Regional Water Authority Sewer Source WPCA County New Haven