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640 Los Trancos Road, 
Portola Valley, CA 94028

$11,500,000


Bed


Bath


-

Sq Ft


12.55

Acres (Lot)


Land


Virtual Tour

Active

Listed by

Sue Crawford

Last updated:

January 10, 2026, 03:40 PM

MLS#

ML82000070

Source:

CAMAXMLS

Company Logo

About This Land

640 Los Trancos Road

One of the largest lots in Palo Alto. Stunning vistas of the hills & bay in this once in a lifetime opportunity to own 12.55 acres in Palo Alto Open Space. This lot is located on an exclusive private road. Build a new estate or remodel the existing mid-century style home with expansive hill views. Sq ft allowed is based on a percentage of lot sq ft. Large living room with high ceilings and separate dining room have breathtaking views. Family room/solarium is off the eat-in kitchen with island. Two bedroom suites one being the large primary bedroom and two bedrooms with Jack and Jill bathroom. Garage converted into a refinished studio plus large workshop and storage. Separate two bedroom guest cottage with living room with fireplace and sunny deck with views of Windy Hill. Sunny Pool surrounded by gardens. Tennis court was built before land was subdivided and a corner is on neighbor's property. Property has Greenhouses and sheds for storage and a walking trail on the property leads to a ridge with breathtaking bay views. This parcel is very private but close to Robert's and Ladera Shopper, Menlo Park, Los Altos, Stanford University and 280 corridor to Silicon Valley. The bay view photos were taken from the trail on the back part of the acres which backs up to Arastradero Perserve.

Land Facts

Description/Design:

Land

Lot Size (Acres)

12.55

MLS #:

ML82000070

Last Updated:

January 10, 2026, 03:40 PM

Added:

9 month(s) ago


Finances & Disclosures

Finances

Price:

$11,500,000

640 Los Trancos Road
MLS Logo
Bay East 2026. CCAR 2026 bridgeMLS 2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at January 10, 2026

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.