An extravagant estate long owned by the late Orange County Air Force major general turned homebuilder and civic leader William Lyon has roared onto the market in Southern California. The asking price? A jaw-dropping $125 million, though that amount might seem far less outrageous when you consider the property’s lavish features—a 24,000-square-foot car museum, a private gas station, and a helipad, just for starters. Should the place go for anywhere near that amount, it would set a record for the most expensive residential real estate transaction ever recorded in the area—eclipsing the $61 million sale of a Newport Coast mansion to LoanDepot founder Anthony Hsieh in 2020. Waiting in the wings, however, is the 42-acre Casa Grande estate in San Juan Capistrano that’s currently listed for $150 million. “Whoever gets the opportunity to own this piece of real estate history will be owning one of the most iconic properties in America, said Mauricio Umansky, CEO and founder of The..