2026 Annual Census
The Annual Census, also known as the Annual Street Listing, has been mailed to all Williamstown residents. Please return the completed form promptly.
Broad Brook Park: Share Your Ideas
The Town is exploring improvements to Broad Brook Park on Harrison Avenue. Share your vision by completing a brief survey.
Home Inspections
A property inspection is essential to ensure fair property valuations. Learn how assessors use property data, what happens during an inspection, and meet our data collectors.
Holiday Hours at Town Hall
Dec 24: Open 8:30am–12pm
Dec 25: Closed
Dec 26: Open 8:30am–4:30pm (limited staff)
Dec 31: Open 8:30am–2pm
Jan 1: Closed
Jan 2: Open 8:30am–4:30pm (limited staff)
Main Street Bridge Project Update
The Main Street bridge over Hemlock Brook has been reconstructed by MassDOT and is re-opened to traffic. In the Spring, plantings will be installed, and some minor items will be buttoned up. Current completion date is May 20, 2026.
Five Corners Roundabout Project
This MassDOT project converted the stop-controlled intersection of Route 7 and Route 43 to a roundabout. Much of the work on this project is complete and will continue in the Spring.
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