100 W Randolph St
A multi-floor interior renovation and tenant build-out is underway for Google across a high-rise office building. The scope spans core-and-shell to multi-level interiors from the basement through upper floors, featuring minor layout alterations, extensive line-voltage electrical service upgrades, and low-voltage communications work serving office areas, conference rooms, lab spaces, and kitchens.
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 6 permits on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
B200511506 Electrical Work | Install low-voltage and communication electrical systems throughout office, conference, lab, and kitchen spaces. | SEP 14, 2026 | Active | $550,000 | Jc Power & Control Inc Ii |
B200508716 Electrical Work | Low-voltage electrical and communication wiring installation for a kitchen, office, conference rooms, and lab space. | AUG 24, 2026 | Active | $303,000 | Electric One |
B200474838 Electrical Work | Low-voltage electrical work to alter existing data and video systems on the 7th floor. | JUL 8, 2026 | Active | $844,359 | Rex Electric & Technologies |
B200474600 Electrical Work | Line voltage electrical work to add six 20-amp circuits and six receptacle outlets across floors B2 through 17. | JUN 14, 2026 | Active | $1,000,000 | Rex Electric & Technologies |
B200473517 Electrical Work | Line voltage electrical installation on floors 9 through 16, including three 400-amp service disconnects with 21 circuits and 21 receptacle outlets. | JUN 8, 2026 | Active | $420,000 | Continental Electrical Construction Company LLC |
101081118 Renovation | Revision to interior alterations on floors 3 through 9 of an existing office building for Google, including minor layout changes with no change of use. | APR 27, 2026 | Active | $625,000 | Skender |
Key parties
Sources: City of Chicago Dept. of Buildings permit feed · Cook County Assessor parcel records
Source Chicago Building Permits · Last calculated Oct 12, 2026
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