# Fire systems permit B100857735 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100857735, issued Jan 20, 2020 for 20 N Wacker Dr: fire systems. Installation of (2) new speaker strobes in tenant space, suite 556, on 5th floor. All new devices will be tied into existing fire alarm system on this floor. All work is being done inside only.

- Permit number: B100857735
- Issued: Jan 20, 2020
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $3,770
- ZIP code: 60606 (derived from location)
- 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 14:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/