Shed Permit in Cambridge, Massachusetts
- Permit Required
- Depends
- Authority
- City of Cambridge
- Last Verified
- 2026-09-29
What the official source says
“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.”
cambridgema.gov
Verify before you build — primary source for this page: https://www.cambridgema.gov/services/buildingpermits
Permit Requirements
Exemptions
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.
Size / Height Limits
Maximum size without a permit: 120 sq ft.
How to apply
- Confirm the rules for your address with City of Cambridge — the official sources on this page are the place to start.
- Prepare a simple site plan or drawing showing where the shed work goes and its size.
- Submit the application and pay the permit fee.
- Schedule the required inspections and keep the approved permit on site.
More detail: our shed permit guide.
Building Department
City of Cambridge
Official Sources
FAQ
Do I need a shed permit in Cambridge, Massachusetts?
It depends on the project. The official source says: “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.”
Is there a size or height limit before a shed permit is needed in Cambridge?
The verified threshold is 120 sq ft in area. Exempt: 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.
Where do I apply for a shed permit in Cambridge?
Applications go to City of Cambridge.