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Annual Exempt Organization Forms (State Tax Form 3ABC) should be filed annually by charitable, benevolent, educational, literary, religious, scientific, or temperance organizations and trusts owning real or personal property on January 1, for which they claim exemption for the fiscal year that begins the next July 1.

Mayor Siddiqui is committed to fostering a vibrant and inclusive community by actively promoting engagement and collaboration among all residents.

Landmarks and Easements Layer Information

Wards and Precincts Layer Information

Join us for a special tour of The Innovation Trail and learn more about the scientists, inventors, and entrepreneurs who made Cambridge one of the most innovative cities in the world.

Celebrate art, culture, and community at the free Cambridge Arts River Festival on June 21, 2025, with live performances, art-making, global food, and the beloved Mermaid Promenade along the Charles River.

Cambridge celebrates long-standing local businesses in May for National Small Business Month

Downloadable PDF links of the Master Plan.

Latest News and Updates from the Cambridge Police Department

Taxpayers who own and occupy their home can save on their tax bill by having a portion of their tax bill exempted from taxation.