Building Permits in Cambridge, Massachusetts
Part of Middlesex County.
We checked Cambridge's own official pages for 2 types of projects (shed, demolition). Permits are issued by Inspectional Services Department. Every rule below links to the page it was taken from, so you can confirm it before you start work. Last verified September 29, 2026.
Verified permit information is available for 2 project types in Cambridge.
Verified Permit Categories
- Shed Permit Depends
- Demolition Permit Yes
Cambridge rules in detail
Shed
- Permit required
- Depends source: cambridgema.gov
- Size limit (sq ft)
- 120 source: cambridgema.gov
- Exempt from a permit
- If the shed is less than 120 square feet, a building permit is not required. However, one must comply with the provisions of the Zoning Ordinance for any size shed. source: cambridgema.gov
Demolition
- Permit required
- Yes source: cambridgema.gov
- Issued by
- Inspectional Services Department source: cambridgema.gov
Not yet verified
These permit categories do not yet have enough verified information to publish a linked permit page.
- Fence
- Deck
- Roof
- Pool
- Patio
- Pergola
- Garage
- Carport
- Tree Removal
- Solar Panels
- HVAC
- Electrical
- Plumbing
- Driveway
- ADU
- Home Addition
- Windows
- Water Heater
Where to apply
Inspectional Services Department · official website