Access 63,433 building permits issued in Cambridge, Massachusetts through a single REST API, normalized into a consistent schema. Data through October 2, 2026.
Most common permit types issued in the last year.
Drill into the most common permit categories in Cambridge.
Permit activity for individual ZIP codes in Cambridge, newest first by volume.
Every permit we hold for one Cambridge address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.
The 10 most recent permits issued in Cambridge, Massachusetts. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-10-02 | 1232713 | 150 Albany St, Cambridge, MA 02139 | Other | Tile & mastic |
| 2026-10-02 | 1232702 | 33 Massachusetts Ave, Cambridge, MA 02142 | Renovation | Window caulk |
| 2026-10-02 | 1232423 | 21 Ames St, Cambridge, MA 02142 | Other | Tile & mastic |
| 2026-10-02 | 1214687 | 109 Clay St, Cambridge, MA 02140 | Addition | Shed dormer. Addition of bedroom amd bathroom, |
| 2026-10-02 | 1218242 | 31 Richard Ave, Cambridge, MA 02140 | Addition | Installing Ortal Heat Gas Fireplace. |
| 2026-10-02 | 1232707 | 33 Massachusetts Ave, Cambridge, MA 02142 | Renovation | Window caulk |
| 2026-10-02 | 1232708 | 77 Massachusetts Ave, Cambridge, MA 02142 | Renovation | Window caulk |
| 2026-10-01 | 1226479 | 334 Harvard St, Unit G3, Cambridge, MA 02139 | Demolition | Bldg 334 Harvard St, Unit G3. Interior renovation of living unit according to atta... |
| 2026-10-01 | 1231155 | 6 Camelia Ave, Cambridge, MA 02139 | Roofing | Remove and Install New Siding CertainTeed Monogram 46 Double 4" Vinyl Siding ... |
| 2026-10-01 | 1225449 | 177 PEMBERTON ST, Unit 1, Cambridge, MA 02140 | Addition | Remove and dispose concrete patio, install new pavers (about 200 SQF) Remove and d... |
Query Cambridge, Massachusetts permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Cambridge permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?jurisdiction=Cambridge&state=MA&issued_after=2026-09-06"
The official record sets behind this page, with the date each one's data runs through.
| Record set | Source | Permits | Data through | Note |
|---|---|---|---|---|
| Electrical | open data (Socrata) | 22,807 | 2026-10-02 | |
| Additions | open data (Socrata) | 14,468 | 2026-10-02 | |
| Plumbing | open data (Socrata) | 13,000 | 2026-10-02 | |
| Mechanical | open data (Socrata) | 4,674 | 2026-10-01 | |
| Asbestos Removal | open data (Socrata) | 2,842 | 2026-10-02 | |
| Roofing | open data (Socrata) | 2,599 | 2026-09-30 | |
| Solar Installations | open data (Socrata) | 1,222 | 2026-08-04 | The source is not currently publishing new records. |
| Solar | open data (Socrata) | 758 | 2026-09-17 | |
| Building permits | open data (Socrata) | 370 | 2026-09-25 | |
| Siding | open data (Socrata) | 353 | 2026-10-01 | |
| Demolition | open data (Socrata) | 340 | 2026-09-21 | |
| Tent Permits | open data (Socrata) | 916 | 2026-10-02 | Listed for completeness; not counted as building permits. |
Related coverage in Massachusetts and nationwide.
We ingest Cambridge's official permit records directly from 11 official record sets, each listed under Sources on this page and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Cambridge, Massachusetts is dated October 2, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Some cities publish permits days after they are filed.
Yes — search Cambridge permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.
The median time from permit filing to issuance in Cambridge, Massachusetts is 7 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.
Free tier covers 100 requests per day. No credit card required.
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