Back to Resources / Chicago Building Efficiency / 321 N. Clark Street
Market Insights / Chicago 2026
#2 in SpaceLogik’s downtown Chicago series

321 N. Clark Street
Less space.
Same requirements.

SpaceLogik’s Chicago series ranks 321 N. Clark Street #2 for space efficiency, with a projected requirement of 17,353 rentable square feet for the program used in the analysis.

Explore the building’s rating and the reported rent comparison below.

See the comparison
321 N. Clark Street
Image from SpaceLogik’s Chicago building efficiency series.
17,353Projected rentable square feet
863SpaceLogik® efficiency rating
13.8%Reported comparison savings
$8.28Reported savings per RSF/year at $60 rent

The space requirement behind the rent.

A property comparison should account for the amount of rentable space needed to accommodate your workplace program. The projected requirement at 321 N. Clark Street gives you another measure to consider alongside the quoted rent.

Series measureReported figure
Downtown Chicago ranking#2
Series comparison program20,000-RSF reference
Projected building requirement17,353 RSF
SpaceLogik efficiency rating863
Savings versus least-efficient properties13.8%
Illustrative annual rent assumption$60 per RSF
Reported rent savings$8.28 per RSF/year

Source figures retained from SpaceLogik’s supplied Chicago 2026 deck. Rent savings use the series comparison basis; they are not a quoted discount on this building’s asking rent. The $60 rent is an illustrative assumption.

Compare this building for your own workplace.

Your organization’s requirements determine the space you need. Use SpaceLogik’s patented space optimization tools to evaluate 321 N. Clark Street alongside other buildings using your own program, then compare total lease costs.

About this analysis

This spotlight belongs to SpaceLogik’s downtown Chicago 2026 series. Rankings and metrics describe the supplied analysis. Actual requirements and savings depend on your program, building and lease terms. Space efficiency concerns office space requirements and is separate from energy performance.

View the SpaceLogik LinkedIn post

Draft review notes — excluded from publication

LinkedIn reports $8.380 per foot per year; the deck reports $8.28 and 13.8%. The listed 17,353 RSF implies 13.235% against 20,000 RSF. Confirm the intended figures. All figures are preserved from the deck rather than silently corrected. Confirm the series methodology before publication.

How much space would you need here?

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