# Alteration or repair permit B18-000428 at 21 Otis St, Somerville

Somerville Inspectional Services Division permit B18-000428: issued Mar 26, 2018 for alteration or repair work at 21 Otis St. Insulation/Weatherization- Blown in cellulose to exterior walls, Install door sweeps and weather stripping, Air sealing in attic and basement, Insulate back basement door,.

- Permit number: B18-000428
- Issued: Mar 26, 2018
- Type of work: Alteration or repair (city: Building Permit, Residential Repair)
- Status: Issued (city: Issued)
- Reported cost: $6,951
- ZIP code: 02145
- All permits at this address: https://nearbypermits.com/somerville/address/21-otis-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 2026-10-10 07:21 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 21 Otis St: https://nearbypermits.com/somerville/address/21-otis-st/