Install an air cooled condensing unit and evaporator coil to an existing roof top air handler.one carrier
Mechanical (HVAC) at 431 N Dearborn St, Chicago
Chicago Department of Buildings permit 100373639: issued Nov 22, 2010 for mechanical (hvac) work at 431 N Dearborn St. Install an air cooled condensing unit and evaporator coil to an existing roof top air handler.one carrier carrier 30 ton, two compressors, remote, air cooled, r410a.
- Permit number
- 100373639
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 60654 (from the permit's location)
- City's category
- Permit - easy permit process
- City's status
- Not listed
- Source
- Chicago Department of Buildings permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 431 N Dearborn St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 10, 2026. We checked it Oct 12, 10:42 UTC. See the city's official records.
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