# Alteration or repair permit ALT1179106 at 21 Thomas St, Boston

Boston Inspectional Services Department permit ALT1179106: issued Oct 19, 2021 for alteration or repair work at 21 Thomas St. Add TWO (modified 8.24.21) dormers to existing attic space. Renovate existing 2nd floor bathroom.

- Permit number: ALT1179106
- Issued: Oct 19, 2021
- Type of work: Alteration or repair (city: Interior/Exterior Work, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $153,950
- ZIP code: 02130
- All permits at this address: https://nearbypermits.com/boston/address/21-thomas-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 05:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 21 Thomas St: https://nearbypermits.com/boston/address/21-thomas-st/