Town Hall Address 818 First NH Turnpike Northwood, NH 03261 United States- Rockingham County Website http://www.northwoodnh.org/ Town Clerk (603) 942-5586 Ext. 201 https://www.northwoodnh.org/towncloud/entity/Town-ClerkTax-Collector-28 Mon 8 A.M. - 10 A.M. & 3 P.M. - 6 P.M.; Tue - Fri 8 A.M. - 4 P.M.; last Sat 9 A.M. - noon. 818 First NH Turnpike Northwood, NH 03261 United States Tax Collector (603) 942-5586 Ext. 201 Mon 8 A.M. - 10 A.M. & 3 P.M. - 6 P.M.; Tue - Fri 8 A.M. - 4 P.M.; last Sat 9 A.M. - noon. 818 First NH Turnpike Northwood, NH 03261 United States Assessor (603) 942-5586 Ext. 207 http://data.avitarassociates.com/logon.aspx?ReturnUrl=/ P.O. Box 767 Northwood, NH 03261 United States Building (603) 942-5586 Ext. 203 818 First NH Turnpike Northwood, 03261 United States Zoning (603) 942-5586 Ext. 205 818 First NH Turnpike Northwood, NH 03261 United States Town Hall Hours Mon - Fri 8 A.M. - 4 P.M. County Rockingham