# Fire systems permit B100873901 at 900 E 57th St, Chicago

Chicago Department of Buildings permit B100873901: issued Jul 1, 2020 for fire systems work at 900 E 57th St. **Fire alarm permit**modification of an existing, approved fire alarm/ voice evacuation system in a class E, business building to accommodate partial ninth floor renovation. Building is fully sprinkled.

- Permit number: B100873901
- Issued: Jul 1, 2020
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $675
- ZIP code: 60637 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/900-e-57th-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-04 12:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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