# Alteration or repair permit 100794585 at 321 N Clark St, Chicago

Chicago Department of Buildings permit 100794585: issued Dec 17, 2018 for alteration or repair work at 321 N Clark St. Self-cert: interior alterations to 16th floor office space as per plans. No change to existing use.

- Permit number: 100794585
- Issued: Dec 17, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $30,000,000
- ZIP code: 60654 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/321-n-clark-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-09 04:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 321 N Clark St: https://nearbypermits.com/chicago/address/321-n-clark-st/