# Alteration or repair permit SF497455 at 12 Walnut St, Boston

Boston Inspectional Services Department permit SF497455: issued Jul 22, 2015 for alteration or repair work at 12 Walnut St. Replace 8 windows in kind. 15.1434 BH.

- Permit number: SF497455
- Issued: Jul 22, 2015
- Type of work: Alteration or repair (city: Interior/Exterior Work, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $20,000
- ZIP code: 02108
- All permits at this address: https://nearbypermits.com/boston/address/12-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 21:11 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 12 Walnut St: https://nearbypermits.com/boston/address/12-walnut-st/