Fire Alarm System at 20 N Wacker Dr
Chicago Department of Buildings permit B100876646, issued Aug 14, 2020 for 20 N Wacker Dr: fire alarm system. **Fire alarm permit**installation of (3) new speakers and (1) door holder relay in tenant space ( suite 3450) on 34th floor. All new devices will be tied into existing fire alarm system on this floor. All work is being done inside only.
- Permit number
- B100876646
- Issued
- Type
- Fire Alarm System
- Status
- Complete
- Reported cost
- $3,550
- Community area
- Loop (32)
- Source
- Chicago Department of Buildings permit data (this record as JSON)
Checked 2026-10-01 11:21 UTC.