The Adam Clayton Powell Jr. State Office Building, originally the Harlem State Office Building, is a nineteen story high-rise office building located at 163 West 125th Street at the corner of Adam Clayton Powell Jr. Boulevard in the Harlem neighborhood of Manhattan, New York City. It is named after Adam Clayton Powell Jr., the first African-American elected to Congress from New York, and was designed by the African-American architecture firm of Ifill Johnson Hanchard in the Brutalist style.