142 E Ontario St
Comprehensive interior tenant build-outs across multiple floors of an existing office building. Work includes wall reconfigurations, new partitions, doors, ceilings, lighting, millwork, and finishes, supported by full mechanical, electrical, and plumbing modifications to update the office spaces.
Largest single reported permit cost — not a summed project total. Individual permit values can overlap in scope.
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Activity
How much relevant permit activity is on this site.
Trade fit
How well this project matches each trade, from linked permits. Select a trade to filter parties & permits.
| Trade | Fit | Evidence |
|---|---|---|
| High | Major construction permits |
Permit ledger
All 2 permits on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
101085885 Renovation | Interior alterations to a 5th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and associated MEP work. | JUL 13, 2026 | Active | $133,290 | Tw Chicago LLC |
101085366 Renovation | Interior alterations on the 12th floor to office suite 1250, including new partitions, doors, ceilings, lighting, millwork, finishes, and associated MEP work. | JUL 6, 2026 | Active | $163,614 | Tw Chicago LLC |
Key parties
Sources: City of Chicago Dept. of Buildings permit feed · Cook County Assessor parcel records
Source Chicago Building Permits · Last calculated Sep 9, 2026
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