The most expensive homes for sale in Silicon Valley right now

Zillow

This nine-bedroom home in Woodside is on the market for $39.98 million, the most expensive home for sale in Silicon Valley right now.

Zillow helped us pull data on the most expensive listings in 14 Silicon Valley towns: Palo Alto, Atherton, Cupertino, Menlo Park, Woodside, Saratoga, Portola Valley, Los Altos, Los Altos Hills, Los Gatos, Hillsborough, Morgan Hill, Mountain View, and San Jose.

Atherton, which consistently ranks among the most expensive zip codes in the country, made the most appearances on the list, with five of the top 11 most expensive homes overall. Several tech billionaires, including Microsoft cofounder Paul Allen, HP CEO Meg Whitman, and Google chairman Eric Schmidt, are known to own homes here.

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From a Los Gatos mansion with its own helicopter pad to a historic 40-acre hill estate in Woodside, some of these Silicon Valley homes are pretty out-of-this-world.