# Electrical permit B100869706 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100869706, issued Apr 16, 2020 for 20 N Wacker Dr: electrical. Monthly maintenance permit for the period of april 1-june 30 2020 for work completed by at&t at 20 N wacker any questions please call tim mcguire(supervising electrician at&t)312-220-2408

- Permit number: B100869706
- Issued: Apr 16, 2020
- Type of work: Electrical (city: Monthly Maintenance Permit, PERMIT – EXPRESS PERMIT PROGRAM)
- Status: Finished (city: Complete)
- Reported cost: $250
- 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 13:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/