The duel for most expensive US home sale (and biggest commission) is underway

Husband-and-wife duo Branden and Rayni Williams, of Hilton & Hyland, represent dueling Bel Air mansions

The premier event for luxury agents and brokers
Luxury Connect | Oct. 16-18 | Beverly Hills

Two neighboring mega-mansions in the Bel Air district of Los Angeles are dueling for billionaire buyers and a page in the record books.