# Roofing permit B21-001148 at 20 William St, Somerville

Somerville Inspectional Services Division permit B21-001148: issued Jul 19, 2021 for roofing work at 20 William St. Remove all roofing materials and install premium GAF roofing materials on shingled roof and.060 Firestone Rubber roofing on front facing flat roof. Remove and replace lead from base of chimney. Remove all debris.

- Permit number: B21-001148
- Issued: Jul 19, 2021
- Type of work: Roofing (city: Building Permit, Residential Repair)
- Status: Issued (city: Approved)
- Reported cost: $17,711
- ZIP code: 02144
- All permits at this address: https://nearbypermits.com/somerville/address/20-william-st/

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Source: Somerville Inspectional Services Division permit data (https://data.somervillema.gov/d/nneb-s3f7), SomerStat, City of Somerville, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-08 00:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL). Database: https://data.somervillema.gov/d/nneb-s3f7 License: https://opendatacommons.org/licenses/odbl/1-0/

Every permit at 20 William St: https://nearbypermits.com/somerville/address/20-william-st/