Project facts
| Address | 427 S LA SALLE ST, Chicago, IL |
|---|---|
| Jurisdiction | City of Chicago, IL (Cook County) |
| Operator named in the records | CoreSite |
| Furthest step on record | Building permit issued, August 19, 2025 |
| Capacity stated in a filing | None stated |
| Floor area stated | None stated |
| Site area stated | None stated |
| Records on file | 3, from June 2, 2009 to June 16, 2025 |
Records on file
| Filed | Type and status | What the record says | Source |
|---|---|---|---|
| Building permit Building permit issued | DDS / 2019 CBRC: INTERIOR ALTERATIONS TO 2ND FLOOR TENANT SPACE (SUITE201) IN AN EXISTING DATA CENTER AS PER PLANS.(OCCUPANCY GROUP: B / TYPE 1A CONSTRUCTION) CONSULTANT REVIEWER: V3 COMPANIES OF IL Applicant: CORESITE REAL ESTATE CH1, LLC | Record | |
| Building permit Building permit issued | REPLACE FOUR LIEBERT UNITS WITH TWO, 30 TON, AND TWO, 20 TON, AIR COOLED, REMOTE, R407C, LIEBERT UNITS, LOCATED ON THE ROOF, AND SERVING THE DATA CENTER FLOOR. Applicant: CORESITE | Record | |
| Building permit Building permit issued | STRUCTURAL FLOOR UPGRADE TO 2ND FLOOR DATA CENTER AS PER PLANS. NO MEP. Applicant: CHRISTOPHER J DOWNES | Record |
Every row comes from a public permit, air-quality or planning record, linked to its source. A permit shows that work was proposed or approved. It does not show that space is available or that a building is finished. Capacity figures carry the basis the filing gives.
Cite this page
Data Center Scouts, "CoreSite data center at 427 S La Salle St, Chicago, IL," https://datacenterscouts.com/data-center-projects/illinois/427-s-la-salle-st-chicago/, updated October 9, 2026. Source records are linked on the page. Journalists and researchers are welcome to use this data with a link back.
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