Concierge Auctions Launches the Sierra Towers’ Penthouse Sale

As the leading online real estate realtor for high-end properties, Concierge Auctions manages the sale of a penthouse in Sierra Towers. Sierra Towers has been home to prominent entrepreneurs, celebrities, and billionaires in Beverly Hills. Some of the billionaires and celebrities living in the tower are Elton John, David Geffen, Cher, Evander Holyfield, and Joan […]