# Mechanical (HVAC) permit 100704436 at 339 N Dearborn St, Chicago

Chicago Department of Buildings permit 100704436: issued May 9, 2017 for mechanical (hvac) work at 339 N Dearborn St. Revision to permit #100659228 to add an additional refrigeration contractor. (Tri-star mechanical services.); subject to field inspections.

- Permit number: 100704436
- Issued: May 9, 2017
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60654 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/339-n-dearborn-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-12 14:39 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 339 N Dearborn St: https://nearbypermits.com/chicago/address/339-n-dearborn-st/