Town Hall Address 66 Westford Street Carlisle, MA 01741 United States- Middlesex County Website http://www.carlislema.gov/ Town Clerk 978-369-6136 https://www.carlislema.gov/159/Town-Clerk United States Assessor 978-369-0392 http://www.carlislema.gov/162/Assessors Mon-Fri: 9:00 to 3:00 66 Westford Street Carlisle, United States Tax Collector 978-369-5557 Mon-Fri: 9:00 to 3:00 66 Westford Street Carlisle, United States Fire District 978-369-1442 United States Town Hall Hours Mon, Wed, Thurs: 9:00 to 3:00 Tues: 9:00 to 6:00 Fri: 9:00 to 12:00 County Middlesex