# Fire systems permit B101042924 at 431 N Dearborn St, Chicago

Chicago Department of Buildings permit B101042924: issued Feb 2, 2024 for fire systems work at 431 N Dearborn St. Fire alarm permit installation of a new notifier nfw-50x addressable fire alarm system jn an existing 2 story building. Sprinkler coverage - 100%. Elevator recall is part of this scope and will be accomplished by elevator lobby smoke detectors.

- Permit number: B101042924
- Issued: Feb 2, 2024
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $10,000
- ZIP code: 60654 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/431-n-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 17:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 431 N Dearborn St: https://nearbypermits.com/chicago/address/431-n-dearborn-st/