watch 01:38 The Loop (TV) Do you like this video? Rainier Wolfcastle's Mansion is the mansion where Rainier Wolfcastle, his wife and his daughter Greta Wolfcastle live. It is a large brick mansion with a ring driveway. The house has an indoor swimming pool. Appearances Episode – "The Bart Wants What It Wants" Video game – The Simpsons: Tapped Out Retrieved from "https://simpsons.fandom.com/wiki/Rainier_Wolfcastle%27s_Mansion?oldid=587376" Categories: Locations Houses with unknown addresses Mansions Homes American Locations One-time locations Springfield Accommodations Rainier Wolfcastle Buildings Tapped Out Buildings Community content is available under CC-BY-SA unless otherwise noted.