# Alteration or repair permit 100778244 at 121 W Wacker Dr, Chicago

Chicago Department of Buildings permit 100778244: issued Oct 5, 2018 for alteration or repair work at 121 W Wacker Dr. Self-certification for the interior alterations to 2,057 of existing commercial office space on the 23rd floor of an existing high rise office building in the central business district. Current use/occupancy is "e" business and will remain "e" business.

- Permit number: 100778244
- Issued: Oct 5, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $148,000
- ZIP code: 60601 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/121-w-wacker-dr/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-07 23:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 121 W Wacker Dr: https://nearbypermits.com/chicago/address/121-w-wacker-dr/