500 W Madison St
Ongoing interior alterations across multiple floors of a high-rise office building include restroom modernization on the 30th floor and a commercial office build-out on the 36th floor. Work across these projects involves selective demolition, partition reconfigurations, updated finishes, and comprehensive MEP upgrades, including new electrical, plumbing, lighting, and mechanical systems.
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 | ||
|---|---|---|---|---|---|
101082409 Renovation | Interior renovation of 30th-floor restrooms including demolition, new ceilings, finishes, lighting, electrical, and plumbing work, with no structural work or change of use. | JUL 23, 2026 | Active | $350,000 | Big Construction |
101084739 Renovation | Interior renovation of an existing 36th-floor office suite, including demolition, new partitions, and related mechanical, electrical, and plumbing work. | JUN 23, 2026 | Active | $750,000 | Development Solutions Inc |
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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