# Fire systems permit EFA527291 at 20 Chestnut St, Boston

Boston Inspectional Services Department permit EFA527291: issued Oct 7, 2015 for fire systems work at 20 Chestnut St. install 1 combo and 4 smoke detectors.

- Permit number: EFA527291
- Issued: Oct 7, 2015
- Type of work: Fire systems (city: Fire Alarm, Electrical Fire Alarms)
- Status: Finished (city: Closed)
- Reported cost: $500
- ZIP code: 02129
- All permits at this address: https://nearbypermits.com/boston/address/20-chestnut-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 20:49 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 Chestnut St: https://nearbypermits.com/boston/address/20-chestnut-st/