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The Most Expensive Properties for Sale in Silicon Valley

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The only place hotter right now than San Francisco when it comes to residential real estate is Silicon Valley. There you'll find the estate and lands of de Guigne in Hillsborough, which is asking a mind-numbing $100M. The historic Flood Estate in Woodside is on the market for the first time since it was built in 1941, and it's asking $69.8M. There's a neoclassical Georgian style abode with a price tag of $29.88M and a tudor mansion owned by Silicon Valley venture capitalist Kelly Porter. Click through for a map of Silicon Valley's most expensive properties for sale.

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1. Estate and Lands of deGuigne

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Glenbrook Drive
Hillsborough, CA 94010

This sprawling historic estate is asking $100M, and you don't even get to move in if you buy the place. The terms of the sale for the 16,000 square foot main house include letting 75-year-old Christian de Guigne IV, who has a life estate on the property, live out his life in the main house following the sale.

2. The Historic Flood Estate

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331 Greer Road
Woodside, CA 94062

The historic Food Estate in Woodside is on the market for the first time since it was built in 1941. It hit the market last year asking $85M, and is now asking $69.8M.

3. Villa Eirini

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236 Park Lane
Atherton, CA 94027

Designed by Andrew Skurman and completed in 2009, this neoclassical Georgian style home is asking $29.88M.

4. Bella Sera

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250 Atherton Avenue
Atherton, CA 94027

Built in 2002, this 13,558 square foot abode is asking $27.4M and sits on 2.5 acres. Property highlights include a 2BR guest house and "fountains that "surround this beauty."

5. The Morgan Estate

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12335 Stonebrook Drive
Los Altos, CA 94022

This Tudor mansion is owned by Silicon Valley venture capitalist Kelly Porter. The 7-bed, 8-bath, 30,000 square foot abode was originally listed for $45M, and is now asking $27M.

6. Tobin Clark Estate

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40 Verbalee Lane
Hillsborough, CA 94010

Built in 1931 by noted architect David Adler, this 12-bed, 13.5-bath, 35,000 square foot mansion is asking $26M. Originally built for Mrs. Cella Tobin Clark, heiress to the Hibernia Bank fortune, the home has hosted Presidents Nixon, Reagan, Ford, and Bush, as well as Prime Minister Margaret Thatcher.

7. 1 Faxon

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1 Faxon Road
Atherton, CA 94027

This 5-bed, 6-bath, 12,840 square foot home's has highlights like a backyard with a pool, putting green, full outdoor kitchen, wet bar, and fire pit. It's asking $25M.

8. Prime Westridge

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127 Pinon Drive
Portola Valley, CA 94028

Designed by Michael Moyer and built by R.J. Dailey with interiors by Robert Miller, this 3-bed, 4.5-bath, 6,835 square foot home is asking $24.5M. The listing tells us that the wine cellar is "sommelier worthy."

9. 60 Monte Vista

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60 Monte Vista Avenue
Atherton, CA 94027

Built in 2007, this is the most contemporary home on the map. The 5-bed, 7.5-bath, 12,765 square foot home features a theater by the Russ Berger Design Group and wine cellar designed by Paul Wyatt. It's asking $16.95M.

10. 7 Faxon Road

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7 Faxon Forest
Atherton, CA 94027

Designed and built in 2008 by Pacific Peninsula Group, this 6-bed, 8.5-bath, 11,800 square foot home is asking $15.9M.

1. Estate and Lands of deGuigne

Glenbrook Drive, Hillsborough, CA 94010

This sprawling historic estate is asking $100M, and you don't even get to move in if you buy the place. The terms of the sale for the 16,000 square foot main house include letting 75-year-old Christian de Guigne IV, who has a life estate on the property, live out his life in the main house following the sale.

Glenbrook Drive
Hillsborough, CA 94010

2. The Historic Flood Estate

331 Greer Road, Woodside, CA 94062

The historic Food Estate in Woodside is on the market for the first time since it was built in 1941. It hit the market last year asking $85M, and is now asking $69.8M.

331 Greer Road
Woodside, CA 94062

3. Villa Eirini

236 Park Lane, Atherton, CA 94027

Designed by Andrew Skurman and completed in 2009, this neoclassical Georgian style home is asking $29.88M.

236 Park Lane
Atherton, CA 94027

4. Bella Sera

250 Atherton Avenue, Atherton, CA 94027

Built in 2002, this 13,558 square foot abode is asking $27.4M and sits on 2.5 acres. Property highlights include a 2BR guest house and "fountains that "surround this beauty."

250 Atherton Avenue
Atherton, CA 94027

5. The Morgan Estate

12335 Stonebrook Drive, Los Altos, CA 94022

This Tudor mansion is owned by Silicon Valley venture capitalist Kelly Porter. The 7-bed, 8-bath, 30,000 square foot abode was originally listed for $45M, and is now asking $27M.

12335 Stonebrook Drive
Los Altos, CA 94022

6. Tobin Clark Estate

40 Verbalee Lane, Hillsborough, CA 94010

Built in 1931 by noted architect David Adler, this 12-bed, 13.5-bath, 35,000 square foot mansion is asking $26M. Originally built for Mrs. Cella Tobin Clark, heiress to the Hibernia Bank fortune, the home has hosted Presidents Nixon, Reagan, Ford, and Bush, as well as Prime Minister Margaret Thatcher.

40 Verbalee Lane
Hillsborough, CA 94010

7. 1 Faxon

1 Faxon Road, Atherton, CA 94027

This 5-bed, 6-bath, 12,840 square foot home's has highlights like a backyard with a pool, putting green, full outdoor kitchen, wet bar, and fire pit. It's asking $25M.

1 Faxon Road
Atherton, CA 94027

8. Prime Westridge

127 Pinon Drive, Portola Valley, CA 94028

Designed by Michael Moyer and built by R.J. Dailey with interiors by Robert Miller, this 3-bed, 4.5-bath, 6,835 square foot home is asking $24.5M. The listing tells us that the wine cellar is "sommelier worthy."

127 Pinon Drive
Portola Valley, CA 94028

9. 60 Monte Vista

60 Monte Vista Avenue, Atherton, CA 94027

Built in 2007, this is the most contemporary home on the map. The 5-bed, 7.5-bath, 12,765 square foot home features a theater by the Russ Berger Design Group and wine cellar designed by Paul Wyatt. It's asking $16.95M.

60 Monte Vista Avenue
Atherton, CA 94027

10. 7 Faxon Road

7 Faxon Forest, Atherton, CA 94027

Designed and built in 2008 by Pacific Peninsula Group, this 6-bed, 8.5-bath, 11,800 square foot home is asking $15.9M.

7 Faxon Forest
Atherton, CA 94027