# Fire Alarm System permit B100853514 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100853514, issued Dec 16, 2019 for 20 N Wacker Dr: fire alarm system. Installation of (4) new speaker/strobes and (1) strobe in tenant space - suite 3705. The new devices will be tied into the existing fire alarm system. All work will be done indoors on the 37th floor.

- Permit number: B100853514
- Issued: Dec 16, 2019
- Type: Fire Alarm System
- Status: Complete
- Reported cost: $5,040
- 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 08:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/