# Fire Alarm System permit B200447766 at 141 W Jackson Blvd, Chicago

Chicago Department of Buildings permit B200447766, issued Oct 30, 2025 for 141 W Jackson Blvd: fire alarm system. Fire alarm: modification of existing system. Associated building permit:101074960. Affects: 0 dwelling units; 1 non-residential units. High-rise building: yes. Voice communication: no. Special locking: yes. Monitoring type: none (exempt) . Specific location: 21st floor tenant office space..

- Permit number: B200447766
- Issued: Oct 30, 2025
- Type: Fire Alarm System
- Status: Active
- Reported cost: Not listed
- Community area: Loop (32)
- All permits at this address: https://nearbypermits.com/chicago/address/141-w-jackson-blvd/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 09:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/