# Alteration or repair permit 100743392 at 125 S Clark St, Chicago

Chicago Department of Buildings permit 100743392: issued Feb 5, 2018 for alteration or repair work at 125 S Clark St. Self-cert, interior alterations to 3,070 square feet of class E occupancy of 20th floor, suite 2070, of existing building. Work includes new interior wall layout, new electrical and lighting layout, new mechanical layout, new plumbing for sink, and modified sprinkler layout. No change to use or occupancy.

- Permit number: 100743392
- Issued: Feb 5, 2018
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $125,000
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/125-s-clark-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-16 18:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 125 S Clark St: https://nearbypermits.com/chicago/address/125-s-clark-st/