# Mechanical (HVAC) permit Mechanical-196172 at 9 William St, Cambridge

Cambridge Inspectional Services Department permit Mechanical-196172: issued Oct 6, 2022 for mechanical (hvac) work at 9 William St. 

- Permit number: Mechanical-196172
- Issued: Oct 6, 2022
- Type of work: Mechanical (HVAC) (city: Mechanical)
- Status: Issued (city: Active)
- Reported cost: Not listed
- ZIP code: 02139
- All permits at this address: https://nearbypermits.com/cambridge/address/9-william-st/

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Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-08 21:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 9 William St: https://nearbypermits.com/cambridge/address/9-william-st/