The energy mogul is looking to cash in on Aspen’s red-hot luxury market by offering up his massive property that’s replete ...

A sprawling Colorado estate long owned by billionaire businessman, sailor, and avid art and wine collector William “Bill” ...

Billionaire Bill Koch ... his stake in Koch Industries. In June 2023, Koch listed 11 acres of land in Cape Cod, where he owns an estate, for $16 million. He owns a home in Palm Beach and two ...

The six-bedroom main residence and ... sold in 2021. Dana Koch declined to comment about either sale. Unanue could not be immediately reached for comment. A Palm Beach estate at 120 Clarendon ...

Palm Beach estate in the Trump security zone was just sold for $27.5 million; seller's side linked to Andy Unanue, whose ...