Replace two rooftop units with two
Mechanical (HVAC) at 431 S Dearborn St, Chicago
Chicago Department of Buildings permit 100745480: issued Feb 13, 2018 for mechanical (hvac) work at 431 S Dearborn St. Replace two rooftop units with two, 25 ton, air cooled, self-contained, r410a, trane rooftop units, serving the common areas of a mixed use building.
- Permit number
- 100745480
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 60605 (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 S Dearborn St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 10, 2026. We checked it Oct 11, 23:05 UTC. See the city's official records.
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