# Alteration or repair permit B25-001720 at 18 Calvin St, Somerville

Somerville Inspectional Services Division permit B25-001720: issued Jun 25, 2026 for alteration or repair work at 18 Calvin St. Insulate Exterior Walls Drill and Blow from the inside.

- Permit number: B25-001720
- Issued: Jun 25, 2026
- Type of work: Alteration or repair (city: Building Permit, Residential Other)
- Status: Finished (city: Closed)
- Reported cost: $3,516
- ZIP code: Not listed
- All permits at this address: https://nearbypermits.com/somerville/address/18-calvin-st/

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Source: Somerville Inspectional Services Division permit data (https://data.somervillema.gov/d/nneb-s3f7), SomerStat, City of Somerville, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-08 17:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL). Database: https://data.somervillema.gov/d/nneb-s3f7 License: https://opendatacommons.org/licenses/odbl/1-0/

Every permit at 18 Calvin St: https://nearbypermits.com/somerville/address/18-calvin-st/