600 N Michigan Ave
This project involves structural, architectural, and MEP work for a retail space, featuring first-floor tenant demising and partial demolition, entrance modifications, and storefront framing. Scope includes entry vestibule construction, structural updates for hanging digital elements and stairs, 2nd-floor door adjustments, and 3rd-floor roof mechanical work for split DX units.
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 3 permits on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
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 Sep 9, 2026
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