# Addition permit B25-002186 at 22 Harrison St, Somerville

Somerville Inspectional Services Division permit B25-002186: issued Sep 9, 2026 for addition work at 22 Harrison St. Convert single family to a 2 family Project proposes addition of a side wing to an existing single family home at 22 Harrison St. This addition would have a basement and two stories plus mansard-roof level above. The existing house would undergo a full gut renovation: new roof - from hip to mansard, new interior partitions, new exterior windows, doors and siding, and new basement. This project would change this residence from a single-family to a two-family.

- Permit number: B25-002186
- Issued: Sep 9, 2026
- Type of work: Addition (city: Building Permit, Residential Addition)
- Status: Issued (city: Issued)
- Reported cost: $570,000
- ZIP code: 02143
- All permits at this address: https://nearbypermits.com/somerville/address/22-harrison-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 2026-10-06 21:24 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 22 Harrison St: https://nearbypermits.com/somerville/address/22-harrison-st/