One Liberty Plaza

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One Liberty Plaza, formerly the U.S. Steel Building, is a skyscraper in lower Manhattan, New York City, at the location of the former Singer Building (in 1968, the third tallest structure ever demolished). 1 Liberty Plaza is currently owned and operated by Brookfield Properties. The building is 743 ft (226 m) high and 54 floors. One Liberty Plaza was built in 1973. At 2,200,000 sq ft (204,000 m2), each floor offers almost 1 acre (4,047 m2) of office space, making it one of the largest office buildings in New York.
Its facade is black, consisting of a structural steel frame. The building was originally commissioned by U.S. Steel. One Liberty Plaza once housed the headquarters of Merrill Lynch. Currently, a variety of tenants occupy the space, from large law firms, such as Cleary Gottlieb Steen & Hamilton, to public and not-for-profit agencies like the Lower Manhattan Development Corporation and the World Trade Center Memorial Foundation.
One Liberty Plaza building is bordered by Broadway, Cortlandt Street, Church Street and Liberty Plaza.