#5 Larry Page's modest Palo Alto house

Estimated home value: $15.2 million

Title: Co-founder and CEO, Google

The CEO of the search giant may not be as extravagant as some of the others on this list. His 8,000+ square foot home in Palo Alto sits at the end of a dead-end street. It is a six bedroom house. Page bought the place in 2005 for about $7 million, and the value has now more than doubled, according to Curbed.

He then built another house on same property says and it is an eco-friendly, 6,000-square-foot mansion, with an elevator, solar panels, a rooftop garden, and parking lot with pervious pavement.

#4 Eric Schmidt's Spanish-style casa

Estimated home value: $21.3 million

Title: Executive Chairman, Google

Google’s boss owns more expensive house than the founders of the company. He bought  7,000+ square foot home in Montecito, California from comedian Ellen DeGeneres and actress Portia Di Rossi for a reported $20 million in 2007. The Santa Barbara County assessor's office evaluates the property and improvements to be worth $21.3 million for the current tax year.

It is a five bedrooms house, has a lush, green garden. It's the perfect setting for parties and weddings, and reason why he out the place for private events, like Kim Kardashian and Kris Humphries' wedding in 2011.

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