s and Melinda, 2009 Washington. In 2009, property taxes on the mansion were reported to be US$1.063 million, on a total assessed value of US$147.5 million.49-93 The 66,000-square-foot (6,100 m2) estate has a 6o-foot (18 m) swimming pool with an underwater music system, as well as a 2,500-square-foot (23o m2)