# Alteration or repair permit 100704555 at 1 S Dearborn St, Chicago

Chicago Department of Buildings permit 100704555: issued May 25, 2017 for alteration or repair work at 1 S Dearborn St. Revision to permit 100666066 self cert project interior renovation of existing tenant office suite on 7th floor. Renovation includes new interior partitions, ceilings, lighting and finishes, as well as the reworking of existing HVAC, electrical, plumbing, sprinklers and fire alarm. Current use: business/ small assembly. Proposed use: business/ small assembly.

- Permit number: 100704555
- Issued: May 25, 2017
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $346,920
- ZIP code: 60603 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/1-s-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-09 23:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 1 S Dearborn St: https://nearbypermits.com/chicago/address/1-s-dearborn-st/