Town Hall Address 27 School St Hillsborough, NH 03244 United States- Hillsborough County Website http://www.town.hillsborough.nh.us/ Town Clerk (603) 464-3877 Ext. 224 http://www.town.hillsborough.nh.us/town-clerktax-collector Mon, Wed, Thu & Fri 9 A.M. - 4:45 P.M.; Tue 9 A.M. - 6:45 P.M.; last Sat 10 A.M. - 11:45 A.M. P.O. Box 1699 Hillsborough, NH 03244 United States Tax Collector (603) 464-3877 Ext. 224 Mon, Wed, Thu & Fri 9 A.M. - 4:45 P.M.; Tue 9 A.M. - 6:45 P.M.; last Sat 10 A.M. - 11:45 A.M. P.O. Box 1699 Hillsborough, NH 03244 United States Assessor (603) 464-3877 Ext. 221 http://data.avitarassociates.com/ Monday - Friday, 8:30 am to 5:00 pm P.O. Box 7 Hillsborough, NH 03244 United States Building (603) 464-3877 Ext. 259 buildinginspector@hillsboroughnh.net P.O. Box 7 Hillsborough, 03244 United States Zoning (603) 464-3877 Ext. 227 P.O. Box 7 Hillsborough, NH 03244 United States Fire District (603) 464-3477 P.O. Box 7 Hillsborough, NH 03244 United States Water (603) 464-3877 Ext. 229 P.O. Box 7 Hillsborough, NH 03244 United States Sewer (603) 464-3877 Ext. 229 P.O. Box 2216 Hillsborough, NH 03244 United States Town Hall Hours Mon - Fri 8:30 A.M. - 5 P.M. County Hillsborough