# Fire systems permit EFA521221 at 109 Chestnut St, Boston

Boston Inspectional Services Department permit EFA521221: issued Sep 21, 2015 for fire systems work at 109 Chestnut St. install 120v /9v battery back up smoke det in common hallways.

- Permit number: EFA521221
- Issued: Sep 21, 2015
- Type of work: Fire systems (city: Fire Alarm, Electrical Fire Alarms)
- Status: Issued (city: Open)
- Reported cost: $2,500
- ZIP code: 02108
- All permits at this address: https://nearbypermits.com/boston/address/109-chestnut-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 23:11 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 109 Chestnut St: https://nearbypermits.com/boston/address/109-chestnut-st/