Ballot Drop Box Locations
Election Commission 24-Hour Official Ballot Drop Box Locations
November 4, 2025 Municipal Election
Main Drop Box Location
The following location will be open until Election Day, Tuesday, November 4, 2025 at 8 p.m. This drop box location will be the ONLY one open on Election Day, November 4, 2025.
- Main Drop Box: 689 Massachusetts Ave, left side of the front entrance
Satellite Drop Box Locations
The following locations will be open from TBD* to Monday, November 3, 2025, at 8 p.m. Satellite locations will NOT be open on Election Day, November 4, 2025.
- City Hall: 795 Massachusetts Avenue, near the rear door
- Morse School: 40 Granite Street, near the front entrance
- Cambridge Police Headquarters: 125 6th Street, near the front of the building
- Maria L. Baldwin School: 85 Oxford Street, right-side of the Oxford Street entrance
- O'Neill Library: 70 Rindge Avenue, adjacent to the entrance stairs
Please make sure your voted ballot is sealed inside of the jurat envelope (yellow envelope) and the affirmation on the jurat envelope has been signed prior to inserting the envelope into the drop box.
*Opening date for drop boxes to be determined based on when ballots are mailed, approximately 3-4 weeks before the election
More information on voting by mail
More information on early voting in person
You may also return your vote-by-mail ballot to an election official at a designated Early Voting location during prescribed Early Voting hours.
Map of Early Voting Locations and Drop Box Locations: