# Alteration or repair permit SF1145803 at 158 Walnut St, Boston

Boston Inspectional Services Department permit SF1145803: issued Dec 29, 2020 for alteration or repair work at 158 Walnut St. Replace existing deteriorated insulation and flash 4 skylights.

- Permit number: SF1145803
- Issued: Dec 29, 2020
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Finished (city: Closed)
- Reported cost: $3,500
- ZIP code: 02122
- All permits at this address: https://nearbypermits.com/boston/address/158-walnut-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 09:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 158 Walnut St: https://nearbypermits.com/boston/address/158-walnut-st/