Town Hall Address 367 Main Street Hyannis, MA 02601 United States- Barnstable County Website http://www.townofbarnstable.us/ Town Clerk 508-862-4044 http://www.townofbarnstable.us/TownClerk/ United States Assessor 508-862-4022 http://www.townofbarnstable.us/Assessing/ Mon-Fri: 8:30 to 4:30 367 Main Street Barnstable, United States Tax Collector 508-862-4054 Mon-Fri: 8:30 to 4:30 367 Main Street Barnstable, United States Fire District 508-862-4000 United States Water 508-775-0063 United States Town Hall Hours Mon-Fri: 8:30 to 4:30 County Barnstable