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Historic offices near Chicago's Millennium Park for sale as potential conversion

Tower spanning 17 stories could be apartments or hotel, broker says
The 17-story office building at 70 E. Lake St. in Chicago is for sale. (Emilia Czader/CoStar)
The 17-story office building at 70 E. Lake St. in Chicago is for sale. (Emilia Czader/CoStar)
CoStar News
February 10, 2026 | 7:20 P.M.

A nearly century-old office tower in Chicago is for sale as a potential conversion to apartments or a hotel near Millennium Park and North Michigan Avenue shops.

Cushman & Wakefield brokers have been hired to market the 17-story tower at 70 E. Lake St., according to a brochure. Completed in 1927, the building with gothic revival and art deco influences is about 63% leased as offices, according to the Cushman & Wakefield materials.

Brokers are framing the deal as an opportunity to pay in the range of $10 million to $12 million for the property and begin clearing out mostly short-term tenants for a conversion, according to a person familiar with the offering.

It is the latest example of older, high-vacancy office properties in Chicago and other cities being positioned for new uses amid historically low demand for corporate space.

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The nine-story structure was designed by the late Stanley Tigerman to resemble the front of a luxury car.
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The Lake Street property is near some of the city’s top tourism attractions and largest hotels. Just a few feet away, Virgin Hotels’ original hotel at 203 N. Wabash Ave. is in the process of being converted into a Sports Illustrated-themed timeshare resort.

The building at 70 E. Lake hasn’t changed hands since a $3.1 million sale in 1993, according to Cook County property records. It was last financed with a $6 million loan in 2017, the records show.

All but two of the tower’s leases include landlord termination rights, meaning most of the tenants could be moved out quickly for a residential or hospitality conversion, according to the brochure.

Chicago-based Ansonia Properties, the manager of the property for the family office that owns it, didn't immediately respond to a request to comment from CoStar News.

The vintage office tower is next to an unusual parking garage at 60 E. Lake St. that is known locally as the Rolls-Royce Garage. Designed by architect Stanley Tigerman, the teal-colored art deco structure’s exterior resembles the front of a classic luxury car.

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That property sold last year for just under $12.4 million.

For the record

The seller is represented by Cushman & Wakefield brokers Tom Sitz, Cody Hundertmark, Kelsey Berry and Dirk Riekse.

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