Town Hall Address 16 Merrill Access Rd Thornton, NH 03285 United States- Grafton County Website http://www.townofthornton.org/ Town Clerk (603) 726-4232 http://www.townofthornton.org/town_clerk.php townclerk@thorntonnh.org Mon 8 am - 4 pm, Tue 8 am -7 pm, Wed+Thu 8 am - 4 P.M.; Fri 8 am - 3:30 pm 16 Merrill Access Rd Thornton, NH 03285 United States Tax Collector (603) 726-4232 taxcollector@thorntonnh.org 16 Merrill Access Rd Thornton, NH 03285 United States Assessor http://data.avitarassociates.com/logon.aspx?ReturnUrl=/ United States Zoning (603) 726-8168 16 Merrill Access Rd Thornton, NH 03285 United States Fire District (603) 726-3300 P.O. Box 14 Thornton, NH 03285 United States Town Hall Hours Mon - Thu 8 am - 4 pm; Fri 8 am - 3:30 pm County Grafton