Town Hall Address 18 Church Street North Haven, CT 06473 United States- New Haven County Website http://www.town.north-haven.ct.us/ Town Clerk 203-239-5321 Ext. 630 https://connecticut-townclerks-records.com/User/Login.aspx?ReturnURL=/index.aspx United States Assessor Ext. 610 http://gis.vgsi.com/northhavenct/ United States Zoning Ext. 440 M-F- 8:30-11:30 & 3:30-4:30 United States Water 203-562-4020 United States Sewer 203-239-6070 United States Probate Court East Haven-North Haven (PD-36) Tax Adjustment Uniform Fiscal Year- July, January 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 Town Hall Hours Monday to Friday – 8:30 to 4:30 Water Source South Central Regional Water Authority Sewer Source WPCA County New Haven