Nearly a decade ago, mega-mansion developer Nile Niami set out to build “the most expensive house in the urban world.” What he came up with is “the One,” an outrageous 105,000-square-foot spec mansion perched on a five-acre parcel in Bel-Air with panoramic views of the plebs below. Its rumored $340 million price tag matches its magnitude, although it falls short of the $500 million Niami had reportedly hoped to reel in for the property.
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