Town Hall Address 37 Main Street Charlton, MA 01507 United States- Worcester County Website http://www.townofcharlton.net/ Town Clerk 508-248-2249 http://www.townofcharlton.net/townclerk.htm United States Assessor 508-248-2233 http://www.townofcharlton.net/assessors.htm Mon, Wed, Thurs: 7:30 to 5:00 Tues: 7:30 to 7:00 37 Main Street Charlton, United States Tax Collector 508-248-2239 Mon, Wed, Thurs: 7:30 to 5:00 Tues: 7:30 to 7:00 37 Main Street Charlton, United States Fire District 508-248-2299 United States Water 508-248-4953 United States Town Hall Hours Mon, Wed, Thurs: 7:30 to 5:00 Tues: 7:30 to 7:00 County Worcester