City Departments & Offices
Walk-in access by the public is available Monday through Friday during regular City business hours (Monday, 8:30am-8pm, Tuesday-Thursday, 8:30am-5pm, and Friday, 8:30am-12pm), and in-person public appointments continue to be offered by many departments.
Apply for a Business Certificate
A business certificate must be filed for any person, partnership, or corporation conducting business in Cambridge under a name other than their own. The form must be signed before a Notary Public and returned to the.
City Clerk's Office
795 Massachusetts Avenue
Cambridge, MA 02139
The Summer Heats Up with Cambridge Plays
Come outside and play as warm weather arrives. The Community Development Department (CDD) partners with local businesses and organizations to sponsor free events in squares and neighborhoods across the city.