# Fire Alarm System permit B100845968 at 20 N Wacker Dr, Chicago

City of Chicago permit B100845968, issued Oct 23, 2019 for 20 N Wacker Dr: fire alarm system. Installation of (2) new speaker/strobes on 10th floor. Relocation of (2) smoke detectors on 10th floor. Replacement of (6) speaker/strobes and (1) speaker on 10th floor. The new devices will be tied into the existing fire alarm system. All work will be done indoors.

- Permit number: B100845968
- Issued: Oct 23, 2019
- Type: Fire Alarm System
- Status: Complete
- Reported cost: $3,905
- Community area: Loop (32)
- All permits at this address: https://nearbypermits.com/chicago/address/20-n-wacker-dr/

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Source: City of Chicago open data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 04:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/