Does anyone own the most expensive house in America?
Ken Griffin, founder of hedge fund Citadel, holds the record for the biggest real estate purchase, with the $239 million purchase of a sprawling penthouse in Manhattan at 220 Central Park South.
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Bill Gates's $130 Million Mansion Xanadu 2.0 Boasts Tech That Tracks Inhabitants' Location. Bill Gates is among the longest-reigning holders of the title “world's richest man.” The billionaire founded the tech empire Microsoft Corp., which propelled him to his 12-figure net worth.
Beyoncé and Jay-Z's $200 million Malibu mansion isn't just California's most expensive house ever. They reportedly paid in cash—and got a bargain. Beyoncé and Jay-Z, pictured in 2018, have reportedly spent a record-breaking $200 million on a Malibu mansion.