646 N Michigan Ave
Scope of work includes targeted exterior structural alterations to the fifth-floor occupiable roof. The primary activity involves the removal of the existing guardrail to install a new, upgraded guardrail and windscreen system, with no structural changes to building occupancy or layout.
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 |
|---|---|---|
| Medium | Major construction permits |
Permit ledger
All 1 permit on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
101081096 Renovation | Structural alterations on the 5th-floor occupiable roof to remove the existing guardrail and install a new guardrail and windscreen system, with no change of use. | APR 3, 2026 | Active | $487,240 | Pepper Construction Company |
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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