# Alteration or repair permit 100837232 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit 100837232, issued Oct 9, 2019 for 20 N Wacker Dr: alteration or repair. Self-cert. Project: interior alterations in existing office building on the 10th floor base building corridor, elevator lobby, men¿s and women¿s toilet rooms as per plans. (No change in use)

- Permit number: 100837232
- Issued: Oct 9, 2019
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $122,500
- 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 16:22 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/