Air seal the building envelope and install cellulose insulation in the exterior walls and attic (R-38)
Alteration or repair at 149 Deforest St, Boston
Boston Inspectional Services Department permit SF1879085: issued Aug 24, 2026 for alteration or repair work at 149 Deforest St. Air seal the building envelope and install cellulose insulation in the exterior walls and attic (R-38). The project includes weatherstripping, door sweeps, and pre- and post-installation blower door and CAZ testing.
- Permit number
- SF1879085
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $7,895
- ZIP code
- 02131
- City's category
- Insulation, Short Form Bldg Permit
- City's status
- Open
- Source
- Boston Inspectional Services Department 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 149 Deforest St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 2, 2026. We checked it Oct 3, 21:32 UTC. Official data.
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