Town Hall Address 500 Broadway Chelsea, MA 02150 United States- Suffolk County Website http://www.chelseama.gov/ Town Clerk 617-466-4050 https://www.chelseama.gov/city-clerk United States Assessor 617-466-4010 https://www.chelseama.gov/assessor Mon-Thurs: 8:00 to 4:00 Fri: 8:00 to 12:00 Chelsea City Hall Chelsea, United States Tax Collector 617-466-4000 Mon-Thurs: 8:00 to 4:00 Fri: 8:00 to 12:00 Chelsea City Hall Chelsea, United States Fire District 617-466-4600 United States Water 617-466-4200 United States Town Hall Hours Mon-Thurs: 10:00 to 3:00 County Suffolk