Tech billionaire Darwin Deason has listed his Versailles-inspired mansion on the Pacific Ocean for $108 million.Courtesy of Austin Ashline of Future Home PhotosTech billionaire Darwin Deason has spent about $86 million creating his own personal Versailles.It took years to finish the Sand Castle, his Pacific Ocean-front estate in La Jolla, California.Now ready to move on, Deason has listed it for a potentially record-breaking sum: $108 million.Darwin Deason is poised to break a record.The tech billionaire has listed his opulent estate overlooking the Pacific Ocean in La Jolla, California, for $108 million.If it sells for even close to that price, it will more than double the San Diego County record, set by private-equity billionaire Egon Durban, who spent $44.1 million on a property in 2023.In 2009, after Deason sold his company, Affiliated Computer Services, to Xerox for $6.4 billion, he spent about $26 million on the house and a neighboring parcel of land, according to the Wall Street Journal, which first reported the listing.Over about six years, the Journal said, Deason spent about $60 million turning the lots into a sandy-colored, balcony-laden 13,000-square-foot mansion.The billionaire was inspired by the French Palace of Versailles and Hotel du Cap-Eden-Roc, a five-star hotel in the South of France that is a favorite of celebrities.