311 S WACKER DR, Loop
This permit details interior alterations to an existing office building on the 63rd floor, expanding suite 6300 into a full floor tenant space. The work includes new partitions, doors, and interior glazing, along with associated electrical, ventilation, and plumbing updates.
Issued on June 2, 2026, this significant renovation project has a reported cost of $469,639. The contractor responsible for this work is REX ELECT. & TECHNOLOGIES LLC.
Homeowners and property owners in the Loop should note that large-scale office renovations, like expanding a suite to a full floor, can cost upwards of $469,639.
Issued
June 2, 2026
Expires
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License
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Filed by REX ELECT. & TECHNOLOGIES LLC · 28 permits across 6 areas
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 101079670 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | — |
| Status | ACTIVE |
| Job Description | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO AN EXISTING OFFICE BUILDING ON THE 63RD FLOOR TO EXPAND THE CURRENTLY OCCUPIED SUITE 6300 INTO A FULL FLOOR OFFICE TENANT SPACE. WORK INCLUDES NEW PARTITIONS, DOORS, AND INTERIOR GLAZING, WITH ASSOCIATED ELECTRICAL, VENTILATION, AND PLUMBING WORK, AS PER PLANS. (OCCUPANCY GROUP B; TYPE IA CONSTRUCTION) |
| Floor / Unit | — |
| Estimated Cost | $469,639 |
| Approved | May 27, 2026 |
SAFETY NATIONAL
| Issued |
| June 2, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |