# Alteration or repair permit 101081410 at 20 S Clark St, Chicago

Chicago Department of Buildings permit 101081410: issued Mar 31, 2026 for alteration or repair work at 20 S Clark St. Self-cert 2019 CBRC: tenant build-out of suite 2420 3,955 sf office space and 25th floor 12,269 sf office space, including new 25th floor single-user ADA compliant restroom, alterations to 25th floor existing toilet rooms, elevator lobby and corridor. Work includes alterations to mechanical, electrical and plumbing. Occupancy group B; type 1a construction.

- Permit number: 101081410
- Issued: Mar 31, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $1,397,805
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/20-s-clark-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-10 11:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 20 S Clark St: https://nearbypermits.com/chicago/address/20-s-clark-st/