# Alteration or repair permit SF1861585 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: Jun 24, 2026
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $20,456
- ZIP code: 02135
- All permits at this address: https://nearbypermits.com/boston/address/539-washington-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 04:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 539 Washington St: https://nearbypermits.com/boston/address/539-washington-st/