Four Gateway Center is a 305 ft (93 m) skyscraper in Pittsburgh, Pennsylvania. It was completed in 1960 at a cost of $16 million ($ in dollars) and opened on June 24 of that year. It is the 26th tallest building in Pittsburgh and has 22 floors. Virtually all materials used to construct the tower were products of Pennsylvania factories and mills. See also List of tallest buildings in Pittsburgh References External links Official Site Emporis Glass Steel and Stone Residential buildings in Pittsburgh Skyscraper office buildings in Pittsburgh Office buildings completed in 1960 Harrison & Abramovitz buildings 1960 establishments in Pennsylvania