Bill Gates – $154 Million, Washington

Bill Gates is known all around the world as the Microsoft Corporation founder and one of the richest people on Earth. In fact, he held the #1 rank on Forbes list from 1995 to 2017, with his net worth valued at $89.9B, while in 2019, it grew to $96.6B. Gates is also known for his activism in philanthropy as he is the co-founder of The Giving Pledge and the Bill & Melinda Gates Foundation.

Bill owns a Hi-Tech estate in Washington, DC, reportedly worth $154M. This home is called Xanadu 2.0 and features 66,000 square feet of total interior space, a 2,100-square-foot library, a giant aquarium, and a trampoline room.