# Alteration or repair permit ALT508245 at 16 Knowlton St, Boston

Boston Inspectional Services Department permit ALT508245: issued Sep 21, 2015 for alteration or repair work at 16 Knowlton St. Replace ship ladder on rear of property from window and install a proper means of egress with a door and deck with stairs to grade.; 18" Sonotubes will be below the frost line, thru bolt to be used, 2-2x10's pressure treated into stud framing at rear with joist hangers.; Bolts to be put into an existing 4x10 beam.;.

- Permit number: ALT508245
- Issued: Sep 21, 2015
- Type of work: Alteration or repair (city: Other, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $10,000
- ZIP code: 02127
- All permits at this address: https://nearbypermits.com/boston/address/16-knowlton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-10 13:38 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 16 Knowlton St: https://nearbypermits.com/boston/address/16-knowlton-st/