# Fire Alarm System permit B100859375 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100859375, issued Jan 29, 2020 for 20 N Wacker Dr: fire alarm system. Installation of (2) new ceiling speaker/strobes and (1) door release relay in tenant space on the 10th floor. Relocation of (1) strobe. The new devices will be tied into the existing fire alarm system. All work is being done indoors on the 10th floor.

- Permit number: B100859375
- Issued: Jan 29, 2020
- Type: Fire Alarm System
- Status: Complete
- Reported cost: $3,605
- Community area: Loop (32)
- All permits at this address: https://nearbypermits.com/chicago/address/20-n-wacker-dr/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 12:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/