# Alteration or repair permit 100868784 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit 100868784, issued Apr 21, 2020 for 20 N Wacker Dr: alteration or repair. Self-cert: interior alterations to existing 17th floor office space as per plans. No change to existing use. No structural or plumbing scope.

- Permit number: 100868784
- Issued: Apr 21, 2020
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $500,000
- 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 14:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/