High Quality Content by WIKIPEDIA articles! This list of tallest buildings in Pittsburgh ranks skyscrapers in the U.S. city of Pittsburgh, Pennsylvania by height. The tallest building in Pittsburgh is the 64-story U.S. Steel Tower, which rises 841 feet (256 m) and was completed in 1970. It also stands as the fourth-tallest building in Pennsylvania and the 35th-tallest building in the United States. The second-tallest skyscraper in the city is BNY Mellon Center, which rises 725 feet (221 m). Eleven of the twenty tallest buildings in Pennsylvania are located in Pittsburgh.