1131 W Blackhawk St
Comprehensive interior office renovations are underway across multiple floors at the site. Scope includes demolition, construction of non-load-bearing partitions, new millwork, flooring, and lighting. Mechanical, electrical, and plumbing (MEP) systems are being updated throughout, supported by rooftop structural reinforcements for new HVAC 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 |
|---|---|---|
| Medium | Major construction permits | |
| Medium | Major construction permits |
Permit ledger
All 2 permits on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
101086395 Renovation | 2nd-floor office interior renovation including partition demolition and layout changes, new millwork, MEP updates, and structural roof reinforcement for new HVAC units with no change of use. | JUL 28, 2026 | Active | $3,700,000 | Power Construction Company LLC |
B200473069 Nonstructural Interior Work | Non-structural interior renovation of a 1st-floor office space, including new partition walls, lighting electrical work, and flooring installation. | JUN 3, 2026 | Active | $155,000 | Power Construction Company LLC |
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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