# Alteration or repair permit 100743808 at 123 N Wacker Dr, Chicago

Chicago Department of Buildings permit 100743808, issued Apr 23, 2018 for 123 N Wacker Dr: alteration or repair. Interior and exterior alterations to 30th floor of an existing office building to include floor infill, exterior curtain wall modifications and build-out of lounge, conference center, restrooms and elevator lobby for c2 small assembly space as per plans. ***Structural peer review***conditional permit subject to field inspections)

- Permit number: 100743808
- Issued: Apr 23, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $1,000,000
- ZIP code: 60606 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/123-n-wacker-dr/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-02 06:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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