Mechanical (HVAC) at 112 S Michigan Ave
Chicago Department of Buildings permit B200477266, issued Aug 31, 2026 for 112 S Michigan Ave: mechanical (hvac). Hydronic piping extension/reconfiguration, electrical work under this permit = yes . Locations: 0 residential unit(s), 1 non-residential unit(s), mech penthouse at level 18.
- Permit number
- B200477266
- Issued
- Type of work
- Mechanical (HVAC)
- Status
- Issued
- Reported cost
- $450,000
- ZIP code
- 60603 (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 standard labels, so permits compare across cities. The city's own wording is shown above. Costs under $100 are shown as not listed, because filers often enter $0 or $1 when no cost is required.
All permits at 112 S Michigan Ave
Chicago Department of Buildings last updated its data Oct 1, 2026. We checked it 2026-10-02 08:34 UTC. Official data.