# Alteration or repair permit 100790457 at 343 S Dearborn St, Chicago

Chicago Department of Buildings permit 100790457: issued Feb 20, 2019 for alteration or repair work at 343 S Dearborn St. Interior alterations to 2nd floor architects office tenant space to expand into adjacent tenant space and replace ceiling mounted ahus, light fixtures and install utility sink in storage room as per plan.

- Permit number: 100790457
- Issued: Feb 20, 2019
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Finished (city: Complete)
- Reported cost: $135,000
- ZIP code: 60604 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/343-s-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-15 17:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 343 S Dearborn St: https://nearbypermits.com/chicago/address/343-s-dearborn-st/