Town Hall Address 31 North Street Williamstown, MA 01267 United States- Berkshire County Website http://williamstownma.gov/ Town Clerk 413-458-9341 http://www.williamstownma.gov United States Assessor 413-458-9343 M-F 8:30-4:30 31 North Street Williamstown, United States Tax Collector 413-458-9342 M-F 8:30-4:30 31 North Street Williamstown, United States Fire District 413-458-8113 United States Water 413-458-3383 United States Town Hall Hours Mon-Fri: 8:30-4:30 County Berkshire