The City Hall of Kansas City, Missouri is the official seat of government for the city of Kansas City, Missouri. It is a 29-story skyscraper located in downtown Kansas City, and has an observation deck on the top of it. It is the fourth-tallest city hall in the world, and the seventh-tallest building in Kansas City. The building was built in 1937, under the influence of Tom Pendergast, the "political boss" of Kansas City at the time.