Town Hall Address 55 Main Street Westford, MA 01886 United States- Middlesex County Website http://www.westfordma.gov/ Town Clerk 978-692-5515 https://westfordma.gov/255/Town-Clerk United States Assessor 978-692-5504 https://www.westfordma.gov/383/Board-of-Assessors Monday - Friday 8 a.m. - 4 p.m 55 Main Street Westford, United States Tax Collector 978-692-5506 Monday - Friday 8 a.m. - 4 p.m. 55 Main Street Westford, United States Fire District 978-692-5542 United States Water 978-399-2455 United States Town Hall Hours Monday - Friday 8 a.m. - 4 p.m. County Middlesex