All things considered, the Bay Area billionaire real estate market wasn't that bad in 2011. (The St. Regis Museum Tower penthouse just sold in December for $35 million.)
But all other real estate bowed humbly to an Olympian among titans: Yuri Milner's $100 million Loire Chateau.
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Milner, the Russian billionaire venture capitalist, purchased the estate in March. (As a vacation home, no less.) The 25,000-square-foot Loire Chateau rests on 18-acres of land in Palo Alto, surrounded by panoramic Bay views. According to architect William Hablinski, the home was designed to emulate an 18th-century French chateau, complete with a towering front façade and a central entry courtyard with three formal entrances. In one wing of the home is the formal dining room, grand ballroom, theater, wine cellar, spa and gym. In the other, family rooms, bedroom suites and living areas.
Check out the images, courtesy of Forbes, in our slideshow below: