Town Hall Address 979 US-302 Harts Location, NH 03812 United States- Carroll County Website http://hartslocation.com/ Town Clerk (603) 374-6397 Mon 5 P.M. - 7 P.M. P.O. Box 540 Harts Location, NH 03812 United States Tax Collector (603) 374-6397 Mon 5 P.M. - 7 P.M. P.O. Box 540 Harts Location, NH 03812 United States Assessor http://data.avitarassociates.com/ United States Town Hall Hours Mon 5 P.M. - 7 P.M. County Carroll