Air seal and Poly board on basement rim joist sills
Alteration or repair at 539 Washington St, Boston
Boston Inspectional Services Department permit SF1861585: issued Jun 24, 2026 for alteration or repair work at 539 Washington St. Air seal and Poly board on basement rim joist sills, dense pack exterior walls of all 3 units with cellulose insulation, dense pack underneath existing flooring in the battic, add high ventilation to meet NFA requirements.
- Permit number
- SF1861585
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $20,456
- ZIP code
- 02135
- 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 539 Washington St, and what's permitted nearby
Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 19:11 UTC. See the city's official records.
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