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Illinois data center projects

Data center project at 400 S La Salle St, Chicago, IL

Every public record we hold for this address, newest first, with a link to the original document. Last change on record: June 17, 2026.

Project facts

Address400 S LA SALLE ST, Chicago, IL
JurisdictionCity of Chicago, IL (Cook County)
Operator named in the recordsNot named. The filer is usually a contractor, engineer or single-purpose company.
Furthest step on recordBuilding permit issued, September 16, 2026
Capacity stated in a filingNone stated
Floor area statedNone stated
Site area statedNone stated
Records on file2, from May 8, 2026 to June 17, 2026

Records on file

FiledType and statusWhat the record saysSource
Building permit
Building permit issued
PHASE 3 OF 3: INTERIOR ALTERATIONS TO EXISTING 7-STORY OFFICE BUILDING TO CONVERT TO A DATA CENTER. WORK TO INCLUDE NEW EQUIPMENT WITH ASSOCIATED MEP UPGRADES. PHASE 1 DEMOLITION ONLY WORK PERMITTED UNDER 101083036. PHASE 2 INFRASTRUCTURE WORK PERMITTED UNDER 101081181. IA CONSTRUCTION; B-BUSINESS
Applicant: LEGACY GI TC 400 LASALLE LLC
Record
Building permit
Building permit issued
DDS 2019 CBRC: PHASE 2 OF 3: INFRASTRUCTURE UPGRADES. CONVERT 7 STORY OFFICE BUILDING TO A DATA CENTER. REINFORCEMENT OF EXISTING FLOORS. ARCHITECTURAL PLANS PROVIDED FOR REFERENCE. ELECTRICAL WORK LIMITED TO ELECTRICAL DISTRIBUTION FROM COMED VAULT TO UPPER FLOORS. MECHANICAL, PLUMBING AND FIRE PROTECTION WORK TO BE PERMITTED UNDER PHASE 3. EQUIPMENT TO BE PERMITTED UNDER PHASE 3. PHASE 1 DEMOLITION ONLY WORK PERMITTED UNDER 101083036. IA CONSTRUCTION; B-BUSINESS CONSULTANT REVIEWER: V3 COMPANIES OF IL
Applicant: LEGACY GI TC 400 LASALLE LLC
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, "Data center project at 400 S La Salle St, Chicago, IL," https://datacenterscouts.com/data-center-projects/illinois/400-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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