Eric Schmidt bought his mansion for around $2 million in 1990, according to Zillow, and is now trying to sell it for $24.5 million.Vivien Killilea/Peter Lyons/GettyEric Schmidt, Google's ex-CEO, is selling his Atherton mansion for $24.5 million.The property, located in the most expensive US zip code, includes a main home and a guest house.Schmidt, who served as Google and Alphabet chairman, has a net worth of around $23.9 billion.Google's former CEO, Eric Schmidt, and his wife, Wendy, are selling their Atherton mansion for $24.5 million.The 5,265 square-foot listing includes a main home and a guest house in the most expensive zip code in the US.