Office Building Demolition at 400 S LaSalle St, Loop
400 S LA SALLE ST, Loop
What was permitted
A significant demolition project is underway at 400 S LaSalle St in Chicago's Loop, specifically targeting non-load bearing partitions within an existing office building. This initial phase of work spans from the basement up to the 7th floor, and also includes demolition on the mechanical penthouse.
Issued on July 1, 2026, this permit has a reported project cost of $3,950,000, indicating a substantial undertaking. KELSO-BURNETT CO. is the contact for this extensive demolition work.
The Loop neighborhood is experiencing a large-scale $3,950,000 demolition project at 400 S LaSalle St, focused on interior partitions of an office building.
What it cost
Issued
July 1, 2026
Expires
—
License
—
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Filed by KELSO-BURNETT CO. · 19 permits across 3 areas
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 101083036 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | — |
| Status | ACTIVE |
| Job Description | DDS 2019 CBRC: DDS 2019 CBRC: PHASE 1 OF 3: DEMOLITION OF NON LOAD BEARING PARTITIONS ON BASEMENT, 1ST THROUGH 7TH FLOORS OF EXISTING OFFICE BUILDING AS PER PLANS. TO ALSO INCLUDE DEMOLITION WORK ON THE MECHANICAL PENTHOUSE. 1A CONSTRUCTION. B-BUSINESS CONSULTANT REVIEWER: V3 COMPANIES |
| Floor / Unit | — |
| Estimated Cost | $3,950,000 |
| Approved | May 8, 2026 |
| Issued | July 1, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property Owner
LEGACY GI TC 400 LASALLE LLC