What was permitted
This permit for 400 S LaSalle St in Chicago's Loop neighborhood represents Phase 2 of 3 for significant infrastructure upgrades. The project involves converting a 7-story office building into a data center, including reinforcement of existing floors.
Issued on July 6, 2026, this permit is active. The permit fee alone was $156,100, indicating a substantial project cost for this conversion, managed by KELSO-BURNETT CO. Future phases will cover mechanical, plumbing, fire protection, and equipment.
Plan a similar project
Want work like this done at your place?
Tell us what you have in mind. We scope it, price it against work like this in Loop, and lines up the right contractor. You approve; we handle the back-and-forth.
View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 101081181 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | — |
| Status | ACTIVE |
| Job description | 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 |
| Floor / unit | — |
| Estimated cost | Not reported |
| Approved | May 8, 2026 |
| Issued | July 6, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property owner
Legacy Gi Tc 400 Lasalle LLC
Related searches