Stunning vistas of the hills and bay in this once in a lifetime opportunity to own 12.55 acres in Palo Alto Open Space with a Portola Valley mailing address located on an exclusive private road. Build a new estate or remodel the existing mid-century style home with expansive hill views. 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 refinished into a studio plus large workshop and storage. Separate two bedroom guest cottage with living room with fireplace and sunny deck with views. Sunny Pool surrounded by gardens. Tennis court was built before land was subdivided and is partially on neighbor's property. Property has Greenhouses and sheds for storage, a walking trail on the property, and is very private but close to shopping, Menlo Park and 280 corridor to Silicon Valley. The bay view photos were from the trail on the back part of the property.
For sale
Price cut: $1.4M (5/30)
$12,900,000
640 Los Trancos Rd, Portola Valley, CA 94028
4beds
3,421sqft
Est.:
Single Family Residence
Built in 1959
12.55 Acres Lot
$11,652,700 Zestimate®
$3,771/sqft
$-- HOA
What's special
Guest cottageExpansive hill viewsJack and jill bathroomEat-in kitchen with islandSeparate dining roomBedroom suitesSunny deck with views
- 145 days
- on Zillow |
- 1,044 |
- 23 |
Zillow last checked: 7 hours ago
Listing updated: July 23, 2025 at 11:06am
Listed by:
Sue Crawford 00587710 650-207-8444,
Coldwell Banker Realty
Source: MLSListings Inc,MLS#: ML81999832

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 3
Rooms
- Room types: Basement, Workshop
Bathroom
- Features: ShowersoverTubs2plus, StallShower
Dining room
- Features: EatinKitchen, FormalDiningRoom
Family room
- Features: SeparateFamilyRoom
Kitchen
- Features: Countertop_Tile, IslandwithSink, Skylights
Heating
- Heat Pump
Cooling
- None
Appliances
- Included: Dishwasher, Range Hood, Microwave, Electric Oven/Range, Refrigerator, Washer/Dryer
- Laundry: Inside
Features
- Flooring: Hardwood, Stone
- Basement: Finished,Unfinished
- Number of fireplaces: 2
- Fireplace features: Living Room, Other
Interior area
- Total structure area: 3,421
- Total interior livable area: 3,421 sqft
Video & virtual tour
Property
Parking
- Total spaces: 6
- Parking features: No Garage
Accessibility
- Accessibility features: Grip-Accessible Features
Features
- Patio & porch: Balcony/Patio, Deck
- Exterior features: Storage Shed Structure
- Has view: Yes
- View description: Bay, City Lights, Hills
- Has water view: Yes
- Water view: Bay
Lot
- Size: 12.55 Acres
- Features: Sloped Down, Sloped Up
Details
- Additional structures: Sheds
- Parcel number: 18238031
- Zoning: 0S
- Special conditions: Standard
- Horse amenities: Unimproved
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence
Materials
- Foundation: Slab
- Roof: Composition, Elastomeric, TarGravel
Condition
- Fixer
- New construction: No
- Year built: 1959
Utilities & green energy
- Gas: PropaneOnSite, PublicUtilities
- Water: Public
- Utilities for property: Propane, Public Utilities, Water Public
Community & HOA
Location
- Region: Portola Valley
Financial & listing details
- Price per square foot: $3,771/sqft
- Date on market: 3/28/2025
- Listing agreement: ExclusiveRightToSell
- Loading
- Loading