# Alteration or repair permit ALT1359420 at 158 Walnut St, Boston

Boston Inspectional Services Department permit ALT1359420: issued Oct 14, 2022 for alteration or repair work at 158 Walnut St. Replace existing ( 80 yrs old ) attic to flat roof access door at 2nd floor. New door and gate to roof to be restricted for maintenence access only and locked. Install new railings with posts attached to 2x8 joists. Landing to be approx. 3'x5'. Build as per plans.

- Permit number: ALT1359420
- Issued: Oct 14, 2022
- Type of work: Alteration or repair (city: Interior/Exterior Work, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $4,000
- 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 19:54 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/