Repair/replacement affecting 1 systems : 1 rooftop packaged unit(carrier 48feem12a3a6-0a0a0 located on roof)
Mechanical (HVAC) at 21 E Chestnut St, Chicago
Chicago Department of Buildings permit B200509384: issued Sep 11, 2026 for mechanical (hvac) work at 21 E Chestnut St. Repair/replacement affecting 1 systems : 1 rooftop packaged unit(carrier 48feem12a3a6-0a0a0 located on roof). Electrical work under this permit = yes. Locations: 0 residential unit(s), 1 non-residential unit(s), exterior work, roof over 1 story portion of building above tenant.
- Permit number
- B200509384
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- $15,000
- ZIP code
- 60610 (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 21 E Chestnut St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 3, 2026. We checked it Oct 5, 15:42 UTC. Official data.
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