# Alteration or repair permit SF195147 at 31 Williams Av, Boston

Boston Inspectional Services Department permit SF195147: issued Oct 25, 2012 for alteration or repair work at 31 Williams Av. Insulation of the walls to a level of r-15 using blown cellulose, insulation of the attic to a level of r-38, ventilation of the attic, as well as air sealing any penetrations to unheated areas.

- Permit number: SF195147
- Issued: Oct 25, 2012
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $6,259
- ZIP code: 02136
- All permits at this address: https://nearbypermits.com/boston/address/31-williams-av/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 12:58 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 31 Williams Av: https://nearbypermits.com/boston/address/31-williams-av/