What was permitted
This permit is for mechanical work at 12350 S Avenue O in Chicago's Hegewisch neighborhood, specifically involving the repair/replacement of one make-up air unit. The project includes electrical work and affects one non-residential unit, offering a look at the costs for HVAC system upgrades in commercial settings.
The permit is active and was issued on June 22, 2026, with a reported project cost of $97,836. MIDWEST MECHANICAL GROUP LLC is the contractor for this mechanical system upgrade, which includes work on the rooftop and exterior.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | B200473255 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Mechanical Work |
| Status | ACTIVE |
| Job description | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 MAKE UP AIR UNIT(RUPP M# RAM-36, S# S2203684-4) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIAL UNIT(S), EXTERIOR WORK, ROOFTOP. |
| Floor / unit | — |
| Estimated cost | $97,836 |
| Approved | June 16, 2026 |
| Issued | June 22, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property owner
Gijv Il Iv, LLC
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