#9. Carol Bartz – Atherton mansion
Carol Bartz, the former CEO of Yahoo, and her husband Bill Marr, a former executive at Data General and Sun Microsystems, own a beautiful 2,000-sq. ft. home located on four acres on Isabella Avenue in Atherton, California. They purchased the home for $4.6 million in 1995. According to the San Mateo County Assessor’s office, their home is valued at about $8.5 million today. To evaluate the homes, we looked at recent sale records and local tax records and assessment values, and we spoke to local realtors and experts at Zillow and Blockshopper.