# Monthly Maintenance Permit permit B100879843 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B100879843, issued Jul 16, 2020 for 20 N Wacker Dr: monthly maintenance permit. Monthly maintenance permit for the period fo july-sept 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: B100879843
- Issued: Jul 16, 2020
- Type: Monthly Maintenance Permit
- Status: Complete
- Reported cost: $250
- 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 11:22 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/