# Administrative Change permit B100894475 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100894475, issued Oct 8, 2020 for 20 N Wacker Dr: administrative change. Revision to permit #100881149 to change electrical contractor to premium electric services, inc.

- Permit number: B100894475
- Issued: Oct 8, 2020
- Type: Administrative Change
- Status: Complete
- 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: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 09:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/