7. The Chartwell Estate – $350 Million
This estate is located in Beverly Hills, California, and is owned by the late Jerry Perenchi, former Head of Univision. The estate was built in 1933 with 25,000 square feet on 10-acres. Perenchi bought the home in 1986 and purchased the surrounding properties to add to the estate. The house features a ballroom, a formal salon, a temperature—controlled wine cellar, and cover parking for 40 vehicles. The estate also has a tennis court, a guest house, a 75-foot pool, and amazing views of the Pacific Ocean and downtown Los Angeles.