The PSFS Building is a 36-story, skyscraper in the Market East neighborhood in Center City, Philadelphia, Pennsylvania. Located at the corner of 12th and Market Streets, the skyscraper contains in the original building, with more space provided by a modern addition. The main building consists of a T-shaped tower and its base. The tower is split between the building's cross-bar that serves as the skyscraper's spine, and the rest of the tower which projects from the spine asymmetrically. The office floors are set back from 12th Street about and is set back on its western side about .