# Monthly Maintenance Permit permit B200451691 at 20 N Wacker Dr, Chicago

City of Chicago permit B200451691, issued Nov 24, 2025 for 20 N Wacker Dr: monthly maintenance permit. Electrical maintenance permit. Occupancy: business. Start date: 12/1/2025. End date: 12/31/2025. 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: B200451691
- Issued: Nov 24, 2025
- Type: Monthly Maintenance Permit
- Status: Active
- 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: City of Chicago open data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-01 03:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/