# Alteration or repair permit ALT1133430 at 10 Walnut St, Boston

Boston Inspectional Services Department permit ALT1133430: issued Dec 8, 2020 for alteration or repair work at 10 Walnut St. Renovation of existing 529 sf 2nd story roof deck at Unit 2, addition of structural framing over roof membrane to support new deck components. Addition of railing at parapet wall.; E- Plans.

- Permit number: ALT1133430
- Issued: Dec 8, 2020
- Type of work: Alteration or repair (city: Renovations - Exterior, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $150,190
- ZIP code: 02108
- All permits at this address: https://nearbypermits.com/boston/address/10-walnut-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 15:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 10 Walnut St: https://nearbypermits.com/boston/address/10-walnut-st/