600 N Michigan Ave
Ongoing commercial site work includes tenant space preparation, structural modifications, and mechanical updates across multiple floors. Key activities feature selective interior demolition of existing retail and restaurant spaces, construction of new demising walls, structural framing revisions for storefronts and digital signage, life safety and egress enhancements, and rooftop DX HVAC system replacements.
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 | |
| Medium | Major construction permits |
Permit ledger
All 4 permits on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
101087468 Renovation | Interior demolition of a restaurant space, including finishes, partitions, ductwork, and kitchen equipment, with minor rated partition, door, and lighting installation for stair access. | SEP 8, 2026 | Active | $575,000 | Midwest Construction Partners |
B200509338 Mechanical Work | Replace two rooftop split DX units and perform associated electrical work serving the 3rd-floor roof and 1st-floor mechanical room. | AUG 27, 2026 | Active | $360,000 | Midwest Mechanical Group Inc |
101082930 Renovation | Structural permit revision for digital cube support, storefront framing, entry vestibule work with concrete curb, revised stair attachments, and an added 2nd-floor door, with no change in use. | JUL 9, 2026 | Active | $2,655,650 | Gray West Construction Inc |
101085483 Renovation | Interior demolition of first-floor tenant spaces, construction of a new demising wall, and removal of a second-floor floor infill at the circular entrance. | JUL 1, 2026 | Active | $800,000 | Midwest Construction Partners |
Key parties
Sources: City of Chicago Dept. of Buildings permit feed · Cook County Assessor parcel records
Source Chicago Building Permits · Last calculated Oct 11, 2026
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