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General ConstructionLoopPermit issued

Office Interior Alterations at 20 S CLARK ST, Loop

20 S CLARK ST, Loop

Winston

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Reported project cost

$886,336

As declared on the permit filing.

Issued
October 21, 2026
Expires
—
License
—

What was permitted

Businesses in Chicago's Loop can find insights into the cost of significant interior renovations. This permit covers alterations to an existing office building on the 28th floor, including new partitions and doors.

The permit is active and was issued on October 21, 2026, with a reported project cost of $886,336. The work also includes associated electrical, ventilation, and plumbing, typical for a commercial office space.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number101087156
Work permit #—
Job filing number—
Work type—
StatusACTIVE
Job descriptionSELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO AN EXISTING OFFICE BUILDING ON THE 28TH FLOOR, SPEC OFFICE SUITE 2800. WORK INCLUDES NEW PARTITIONS, AND DOORS. WITH ASSOCIATED ELECTRICAL, VENTILATION, AND PLUMBING WORK, AS PER PLANS. (OCCUPANCY GROUP B; TYPE IA CONSTRUCTION
Floor / unit—
Estimated cost$886,336
ApprovedOctober 13, 2026
IssuedOctober 21, 2026
Expires—
BBL—
BIN—

Property owner

Ravelin South Clark LLC

Related searches

interior alterationsLoopChicagooffice buildingcommercial construction$800,000+electricalplumbing