717 S WELLS ST, Loop
Commercial property owners and managers in Chicago's Loop can review the substantial investment in upgrading existing data centers. This project involves significant interior alterations to a 6th-floor facility.
The permit, issued on June 16, 2026, is for a renovation with a reported cost of $3,000,000. Work includes replacing existing air handling units with new ones, adding rooftop chillers, and modifying the roof, with KLASS ELECTRIC COMPANY, INC. listed as the contact.
A major $3 million data center renovation in the Loop highlights the significant costs associated with upgrading critical infrastructure.
Issued
June 16, 2026
Expires
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License
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Filed by KLASS ELECTRIC COMPANY, INC. · 3 permits across 1 area
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 101079611 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | — |
| Status | ACTIVE |
| Job Description | DDS 2019 CBC: INTERIOR ALTERATIONS TO EXISTING 6TH FLOOR DATA CENTER (INCLUDES REPLACEMENT OF 5 EXISTING AHUS WITH 6 NEW CRAH UNITS, NEW AIR COOLED CHILLERS ON THE ROOF, ROOF MODIFICATION TO ACCOMODATE NEW UNITS & NEW GUARD RAIL AND GRATING SURROUNDING THE UNITS) (OCCUPANY GROUP B & S-1. TYPE IA CONSTRUCTION) CONSULTANT REVIEWER: V3 COMPANIES OF IL |
| Floor / Unit | — |
| Estimated Cost | $3,000,000 |
| Approved | March 23, 2026 |
717 S WELLS TENANT, LLC
| Issued |
| June 16, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |