# Alteration or repair permit B200420628 at 20 N Wacker Dr, Chicago

Chicago Department of Buildings permit B200420628, issued Apr 24, 2025 for 20 N Wacker Dr: alteration or repair. Nonstructural interior alteration to include interior demo, demo a wall between suites 4114 and 4120, new partitions, lighting, doors and hardware, ceilings, mechanical, electrical and plumbing. No change in use. Locations: 0 residential unit(s), 1 non-residential unit(s), suite 4114.

- Permit number: B200420628
- Issued: Apr 24, 2025
- Type of work: Alteration or repair (city: Nonstructural Interior Work, PERMIT – EXPRESS PERMIT PROGRAM)
- Status: Issued (city: Active)
- Reported cost: $75,000
- 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 16:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/