The Pipe House is a house west of Beanbean Castle. Piper lives here.
The house has three red Warp Pipes and one green one. The green pipe takes the Mario Bros. to the following locations after they are visited: Stardust Fields, Joke's End, Chucklehuck Woods, Little Fungitown, Gwarhar Lagoon and the west and north areas of the Beanbean Kingdom. The two red pipes on the end warp the brothers between them, and the third red one houses Piper. By using these Pipes and talking to Piper, players can figure out their purposes in the game. Template:ML:SS