Revision to change of HVAC contractor permit#100882516 to o'hare mechanical contractors
Mechanical (HVAC) at 70 W Madison St, Chicago
Chicago Department of Buildings permit 100905802: issued Jan 14, 2021 for mechanical (hvac) work at 70 W Madison St. Revision to change of HVAC contractor permit#100882516 to o'hare mechanical contractors.
- Permit number
- 100905802
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 60602 (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 70 W Madison St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 3, 2026. We checked it Oct 5, 15:53 UTC. Official data.
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