It also stood as the tallest building in the city at the time of its 1981 completion, and held that distinction for two years until it was surpassed by the 709-foot (216 m) 1801 California Street in 1983.
[4] Prior to its bankruptcy, MCI occupied the uppermost commercial floors of 707 17th Street, and served as the structure's primary tenant.
[5] However, even before MCI's acquirement, 707 17th Street stood partially vacant, and was nearing a 50% vacancy rate in 2002.
While the upper 22 floors of the building contain office space, the lowest 20 floors of 707 17th Street contain a hotel that was originally known as the Denver Marriott City Center, but was renamed the Hilton Denver City Center on December 1, 2017.
[8] The narrower region at the bottom of the building is home to the Hilton hotel, whereas the upper, wider floors contain most of the commercial space.