# Mechanical (HVAC) permit Mechanical-218320 at 281 Walden St, Cambridge

Cambridge Inspectional Services Department permit Mechanical-218320: issued Apr 24, 2023 for mechanical (hvac) work at 281 Walden St. 

- Permit number: Mechanical-218320
- Issued: Apr 24, 2023
- Type of work: Mechanical (HVAC) (city: Mechanical)
- Status: Issued (city: Active)
- Reported cost: Not listed
- ZIP code: 02138
- All permits at this address: https://nearbypermits.com/cambridge/address/281-walden-st/

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Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-10 06:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 281 Walden St: https://nearbypermits.com/cambridge/address/281-walden-st/