A Division of William Francis Galvin, Secretary of the Commonwealth of Massachusetts

Museum Hours

Monday–Friday, 9:00 am to 4:45pm*

Saturday and Sunday, 9:00 am to 3:00 pm (May 26 – September 2)*

* The Museum and Gallery will be closed on all major holidays. Please call ahead to make group reservations, guided or unguided.

Mailing Address:
Commonwealth Museum
220 Morrissey Blvd.
Boston, MA 02125

Telephone: 617-727-9268
Fax: 617-825-3613
Email: commonwealthmuseum@sec.state.ma.us