Repair/replacement affecting 1 systems : 1 make up air unit
Mechanical (HVAC) at 2545 S Dearborn St, Chicago
Chicago Department of Buildings permit B200435349: issued Sep 24, 2025 for mechanical (hvac) work at 2545 S Dearborn St. Repair/replacement affecting 1 systems : 1 make up air unit(renzor-nexgen-nrak- package unit- doas, roof. 1200 Btu/hr heat loss, 972 btu output, dualscroll compressor, 45 ton, r454b ref typ). Electrical work under this permit = yes. Locations: 0 residential unit(s), 1 non-residential unit(s), exterior work, roof area.
- Permit number
- B200435349
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- $283,257
- ZIP code
- 60616 (from the permit's location)
- City's category
- Mechanical work, permit – express permit program
- City's status
- Active
- 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 2545 S Dearborn St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 14, 2026. We checked it Oct 15, 01:37 UTC. See the city's official records.
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