One Kansas City Place is the tallest building in Missouri, located in Downtown, Kansas City, Missouri, USA. Built in 1988, it is bounded by 12th Street to the North, Baltimore Avenue to the West, and Main Street to the East. Per PBNI Architects, the building rises 623 vertical feet (189.89 m) from the building's main entrance on Main Street to the top of its spire. The building's roof height, which includes the roof top structure that the spire sits atop, is 585 feet above the building's main entrance. One Kansas City Place was designed by Patty Berkebile Nelson & Immenschuh.