The assessments represent market value as of January 1, 2023

The Watertown Assessors' Office is located in the City Hall 149 Main Street, Watertown, MA 02472. Office hours are Mon, Wed. - Fri. 8:30 am to 5:00 pm and Tues. 8:30 am to 7:00 pm. The phone number for the Assessor's Office is (617) 972-6410.