# Renovation or alteration permit 100852450 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit 100852450, issued May 28, 2020 for 20 N Wacker Dr: renovation or alteration. Interior build out of three office suites, 3000, 3100 & 3450 and one single user ADA compliant toilet room and new drinking fountain on the 30th floor in existing office building. New partitions, plumbing, ventilation and electrical as per plans. (No change in use)

- Permit number: 100852450
- Issued: May 28, 2020
- Type: Renovation or alteration
- Status: Complete
- Reported cost: $716,150
- Community area: Loop (32)
- 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 10:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/