# Addition permit A697086 at 284 Commonwealth Av, Boston

Boston Inspectional Services Department permit A697086: issued Dec 20, 2017 for addition work at 284 Commonwealth Av. Construct a new Roof Penthouse / Mezzanine.

- Permit number: A697086
- Issued: Dec 20, 2017
- Type of work: Addition (city: Addition, Amendment to a Long Form)
- Status: Issued (city: Open)
- Reported cost: $231,560
- ZIP code: 02115
- All permits at this address: https://nearbypermits.com/boston/address/284-commonwealth-av/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 00:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 284 Commonwealth Av: https://nearbypermits.com/boston/address/284-commonwealth-av/