# Electrical permit B200434772 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B200434772, issued Jul 25, 2025 for 20 N Wacker Dr: electrical. Electrical maintenance permit. Occupancy: business. Start date: 8/1/2025. End date: 8/31/2025. All work under this permit must be performed by employees of the listed electrical contractor. The electrical contractor must maintain complete written records of all work performed under this permit and make those records available to the building commissioner upon request.

- Permit number: B200434772
- Issued: Jul 25, 2025
- Type of work: Electrical (city: Monthly Maintenance Permit, PERMIT – EXPRESS PERMIT PROGRAM)
- Status: Issued (city: Active)
- Reported cost: Not listed
- 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 13:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/