# Alteration or repair permit 100864890 at 161 N Clark St, Chicago

Chicago Department of Buildings permit 100864890: issued Jun 10, 2020 for alteration or repair work at 161 N Clark St. Self-cert project: interior alterations in an existing office building to the existing office space on the 43rd and 44th floors for a new convenience stair in existing floor opening as per plans. (No change to use) (structural peer review).

- Permit number: 100864890
- Issued: Jun 10, 2020
- 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/161-n-clark-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-11 23:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 161 N Clark St: https://nearbypermits.com/chicago/address/161-n-clark-st/