Convert single family to a 2 family Project proposes addition of a side wing to an existing single family
Addition 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
- Type of work
- Addition
- Status
- Issued
- Reported cost
- $570,000
- ZIP code
- 02143
- City's category
- Building Permit, Residential Addition
- City's status
- Issued
- Source
- Somerville Inspectional Services Division permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 22 Harrison St, and what's permitted nearby
Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 6, 17:32 UTC. See the city's official records (SomerStat, City of Somerville, ODbL 1.0).
Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL).
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