Set behind private gates on a flat, over 1 acre lot enclosed by a privacy wall, this single-story Tuscan villa offers a rare convergence of architectural integrity and absolute seclusion on one of Athertons most coveted locations with no through traffic-a quiet distinction that speaks to the discretion and privacy this address commands. Just minutes from Sharon Heights Country Club, Sand Hill Road and Stanford University-the location is at the very center of Silicon Valley, close to the venture capital firms, research institutions, and tech leaders that define the region. Built in 1995 by Collin Whiteside, the residence reflects a level of craftsmanship increasingly rare in new construction.12-foot ceilings, five fireplaces, and hand detailed finishes throughout. At the heart of the home, a central courtyard serves as both architectural anchor and daily retreat, with nearly every bedroom offering direct access to the courtyard or the surrounding yard, reinforcing the seamless indoor-outdoor rhythm that defines authentic Tuscan design. A 2011 addition thoughtfully expanded the floor plan with a formal bedroom suite and an office/pool room, adding flexibility for remote work, guests, or multi generational living without disrupting the homes original character.
Property Details
Price:
$9,888,070
MLS #:
ML82057394
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Aug 13, 2026
Finished Sq Ft:
5,615
Lot Size:
45,100 sqft / 1.04 acres (approx)
Year Built:
1995
See this Listing
Schools
School District:
Other
Interior
Appliances
DW, RF, HOD
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
TILE, WOOD
Exterior
Common Walls
NCW
Garage Spaces
3
Parking Spots
3
Parking Total
3
Roof
TLE
Spa Features
SH
Financial
Map
Community
- Address27 Valley RD Atherton CA
- CityAtherton
- CountySan Mateo
- Zip Code94027
Market Summary
Current real estate data for Single Family in Atherton as of Aug 26, 2026
13
Single Family Listed
58
Avg DOM
1,815
Avg $ / SqFt
$15,154,928
Avg List Price
Property Summary
- 27 Valley RD Atherton CA is a Single Family for sale in Atherton, CA, 94027. It is listed for $9,888,070 and features 4 beds, 5 baths, and has approximately 5,615 square feet of living space, and was originally constructed in 1995. The current price per square foot is $1,761. The average price per square foot for Single Family listings in Atherton is $1,815. The average listing price for Single Family in Atherton is $15,154,928.
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27 Valley RD
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