# Alteration or repair permit SF308135 at 20 Duke St, Boston

Boston Inspectional Services Department permit SF308135: issued Dec 30, 2013 for alteration or repair work at 20 Duke St. Dense pack cellulose in wall cavity to R13.

- Permit number: SF308135
- Issued: Dec 30, 2013
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $4,108
- ZIP code: 02126
- All permits at this address: https://nearbypermits.com/boston/address/20-duke-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-10 11:53 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 Duke St: https://nearbypermits.com/boston/address/20-duke-st/