Town Hall Address 732 Main Street Harwich, MA 02645 United States- Barnstable County Website http://www.harwich-ma.gov/ Town Clerk 508-430-7516 http://www.harwich-ma.gov/town-clerk United States Assessor 508-430-7503 http://www.harwich-ma.gov/assessing Mon: 8:30-8:00, Tues-Thurs: 8:30-4:00, Fri: 8:30-12:00 732 Main Street Harwich, United States Tax Collector 508-430-7501 Mon: 8:30-8:00, Tues-Thurs: 8:30-4:00, Fri: 8:30-12:00 732 Main Street Harwich, United States Fire District 508-430-7546 United States Water 508-432-0304 United States Town Hall Hours Mon: 8:30-8:00, Tues-Thurs: 8:30-4:00, Fri: 8:30-12:00 County Barnstable