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
Sungazing with #popscope (Main)
Join us on the lawn of the Cambridge Public Library for a unique afternoon of sungazing with #popscope as part of MA Space Week 2025! You'll have the chance to observe the Sun safely through specially equipped telescopes, guided by enthusiastic astronomy educators and volunteers.
Discover sunspots, solar flares, and the powerful beauty of our closest star - no experience necessary! Whether you're a curious kid, a budding scientist, or just passing by, stop in for a moment of cosmic wonder
Watershed Points of Interest Interactive Map
Take a virtual journey into the Cambridge watershed with this Storymap! Learn about the bodies of water that feed Fresh Pond, see the historical gatehouses and infrastructure, and understand how the water is monitored and treated before arriving at your tap.