A dramatic 450% rent increase at Carnegie House in Manhattan was upheld by the New York County Supreme Court this week.

The Oracle chairman had remodeled the Pacific Heights house, which looks out at the Golden Gate Bridge and San Francisco Bay.

A rare spot of affordability on Manhattan's ultra-luxury Billionaires' Row is officially going the way of the dinosaurs.

The expansive home of Jim Irsay, the late billionaire owner of the Indianapolis Colts, has been listed for sale in Culver, Indiana for a potentially record-breaking $20 million. The main house, which ...