# Alteration or repair permit 100721091 at 121 W Wacker Dr, Chicago

Chicago Department of Buildings permit 100721091: issued Aug 28, 2017 for alteration or repair work at 121 W Wacker Dr. Self cert: interior alterations to office suite 2900 as per plans.

- Permit number: 100721091
- Issued: Aug 28, 2017
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $300,000
- 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 22:28 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/