# Fire systems permit B100871780 at 172 E Chestnut St, Chicago

Chicago Department of Buildings permit B100871780: issued May 14, 2020 for fire systems work at 172 E Chestnut St. **Fire alarm permit**security system work - maglock permitting (ann & robert lurie children's hospital, 15th floor) (03-7180).

- Permit number: B100871780
- Issued: May 14, 2020
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $40,000
- ZIP code: Not listed (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/172-e-chestnut-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-04 17:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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