In 2000, the couple splurged on their biggest purchase yet, a nine-thousand-square-foot mansion with six bedrooms and six and a half bathrooms and more than half a dozen marble fireplaces, in Atherton, California, the richest town in Silicon Valley, which locals call the “home of the bazillionaires.” The price tag was $10.5 million. The Khans paid all cash. Their new house was on Isabella Avenue, several doors down from Oracle billionaire Larry Ellison’s exquisitely simple but exorbitantly expensive Japanese-style abode.
