# Mechanical (HVAC) permit Mechanical-71142 at 27 Walden St, Cambridge

Cambridge Inspectional Services Department permit Mechanical-71142: issued Apr 15, 2020 for mechanical (hvac) work at 27 Walden St. 

- Permit number: Mechanical-71142
- Issued: Apr 15, 2020
- Type of work: Mechanical (HVAC) (city: Mechanical)
- Status: Finished (city: Complete)
- Reported cost: Not listed
- ZIP code: 02140
- All permits at this address: https://nearbypermits.com/cambridge/address/27-walden-st/

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Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-10 04:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 27 Walden St: https://nearbypermits.com/cambridge/address/27-walden-st/