Bill Gates' house is a large mansion in the side of a hill overlooking Lake Washington in Medina, Washington. The 66,000 sq ft (6,100 m) house is noted for its design and the technology it incorporates. It is nicknamed Xanadu 2.0. In 2009, property taxes were reported to be US $1.063 million on a total assessed value of US$147.5 million.

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