# Alteration or repair permit 100605856 at 121 W Wacker Dr, Chicago

Chicago Department of Buildings permit 100605856: issued Aug 17, 2015 for alteration or repair work at 121 W Wacker Dr. Self certification for interior alteration to approximately 5,000 sf of existing office space on the 36th and 37th floors in a commercial high rise office building. Existing and proposed use group is class E, business.

- Permit number: 100605856
- Issued: Aug 17, 2015
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $350,000
- 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 2026-10-08 09:32 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/