# New building permit ERT1477406 at 20 Western Av, Boston

Boston Inspectional Services Department permit ERT1477406: issued Sep 22, 2023 for new building work at 20 Western Av. Conference center w/ 3 stories and basement. Mass Timber Construction Type VA, Elevators, M/E/P systems. 3 level Atrium w/ smoke control, Life Safety systems NFPA 70,72,13,14,20, CMR 780- 9th Ed. \Occupancies non separated mixed use- A-2 dining, A-3, B- Office/meeting rooms, M- Retail, S-2 Storage.

- Permit number: ERT1477406
- Issued: Sep 22, 2023
- Type of work: New building (city: Erect, Erect/New Construction)
- Status: Finished (city: Closed)
- Reported cost: $59,294,302
- ZIP code: 02134
- All permits at this address: https://nearbypermits.com/boston/address/20-western-av/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-12 05:13 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 Western Av: https://nearbypermits.com/boston/address/20-western-av/