In 2014, a tech entrepreneur bought a 1,100-acre Sonoma ranch for $12 million and spent about $33 million restoring it; 12 years later, it sold for a record $38.5 million
Real Estate News: A huge 1,100-acre estate high on the slopes of Sonoma Mountain has sold for $38.5 million (£29.2 million), setting a record for the highest residentia.