# Mechanical (HVAC) permit 100643256 at 3003 W Touhy Ave, Chicago

Chicago Department of Buildings permit 100643256: issued Apr 5, 2016 for mechanical (hvac) work at 3003 W Touhy Ave. Replacement of five (5) existing rtu's, with five carrier rooftop units, self contained, air cooled, r410a. The rooftop units serve classrooms.

- Permit number: 100643256
- Issued: Apr 5, 2016
- Type of work: Mechanical (HVAC) (city: Permit - easy permit process)
- Status: Issued (city: not listed)
- Reported cost: Not listed
- ZIP code: 60645 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/3003-w-touhy-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-17 14:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 3003 W Touhy Ave: https://nearbypermits.com/chicago/address/3003-w-touhy-ave/