Town Hall Address 455 Concord Avenue Belmont, MA 02478 United States- Middlesex County Website http://www.belmont-ma.gov/ Town Clerk 617-993-2600 http://www.belmont-ma.gov/town-clerk United States Assessor 617-993-2630 http://www.belmont-ma.gov/assessors-office Mon: 8:00 to 7:00 Tues-Thurs: 8:00 to 4:00 Fri: 8:00 to 12:00 19 Moore Street Belmont, United States Tax Collector 617-993-2770 Mon: 8:00 to 7:00 Tues-Thurs: 8:00 to 4:00 Fri: 8:00 to 12:00 19 Moore Street Belmont, United States Fire District 617-993-2200 United States Water 617-993-2700 United States Town Hall Hours Mon: 8:00 to 7:00 Tues-Thurs: 8:00 to 4:00 Fri: 8:00 to 12:00 County Middlesex