Kluczynski Federal Building

Chicago, United States

Exterior only

Visible from the street; the inside is private.

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The John C. Kluczynski Federal Building is a 45-story skyscraper designed by Ludwig Mies van der Rohe and completed in 1974 in Chicago's Loop at 230 South Dearborn Street. Standing 562 feet tall, it was the final component of Mies's Federal Center complex, which also includes a post office and plaza occupying the site of the earlier Chicago Federal Building by Henry Ives Cobb. Named after U.S. Congressman John C. Kluczynski, who died in office while representing Illinois's 5th district, the building is one of three Mies-designed structures within the Federal Center, alongside the Loop Station Post Office and the Everett McKinley Dirksen United States Courthouse.