Colorado’s Most Expensive Home for Sale Lists for $78 Million

A palatial home on the market in Vail, Colorado, is poised to break some records.

The modern mansion at 100 Vail Road comes with a $78 million asking price, making it the state’s most expensive listing. If it sells at or near that figure, it will break its own record for Vail’s most expensive sale.

Built in 2014, the abode is the town’s largest residence, with over 15,000 square feet of living space. Its sellers, biotech entrepreneur Kevin Ness and his wife,…