# Fire Alarm System permit B200476447 at 20 N Wacker Dr, Chicago

City of Chicago permit B200476447, issued Jul 10, 2026 for 20 N Wacker Dr: fire alarm system. Fire alarm: modification of existing system. Associated building permit:b200470521. Affects: 0 dwelling units; 1 non-residential units. High-rise building: yes. Voice communication: yes. Special locking: no. Monitoring type: supervising station . Specific location: 20 N wacker suite 2620.

- Permit number: B200476447
- Issued: Jul 10, 2026
- Type: Fire Alarm System
- Status: Active
- Reported cost: Not listed
- 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 04:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/