# Alteration or repair permit SF1907500 at 493 Walnut Av, Boston

Boston Inspectional Services Department permit SF1907500: issued Oct 7, 2026 for alteration or repair work at 493 Walnut Av. Blow in dense pack cellulose inside walls.

- Permit number: SF1907500
- Issued: Oct 7, 2026
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $9,999
- ZIP code: 02130
- All permits at this address: https://nearbypermits.com/boston/address/493-walnut-av/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-10 13:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 493 Walnut Av: https://nearbypermits.com/boston/address/493-walnut-av/