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51 Valley
ACTV
$22,000,000
List Price
6
Bedrooms
—
Bathrooms
7,905
Sq Ft
Set on a flat corner lot in one of Atherton's most scenic blocks, this majestic Mediterranean estate sits on 1.12 acres surrounded by mature trees and luxury resort-style landscaping. Designed by John Stewart, the home's prized layout is practical yet impressive with soaring ceilings to bring in natural light, thoughtful indoor/outdoor integration, and a seamless flow between all living areas to create a harmonious lifestyle. Sophisticated architectural details will impress you upon arrival, including tall columns at the entry and a striking two-story foyer with marble and travertine floors. The living level is spacious and commands attention, with a gorgeous wood paneled library, stately formal living and dining rooms, and marble wood burning fireplaces grounding each area. Upstairs, four ensuite bedrooms gather in a private wing anchored by a primary suite with his & hers walk-in closets and a sauna. Both levels have their own dedicated laundry rooms for easy daily use. A fifth bedroom sits on the main-level for in-laws or an au-pair. Adjacent is the sunbathed family room with 20+ feet ceilings, skylights, and direct access to the unbelievable grounds. Many of the bathrooms have been fully renovated with new cabinetry, tile, and fixtures. Other notable upgrades include new hardwood floors, fresh interior and exterior paint, new garage doors, freshly epoxied garage floors, and renewed landscaping. A detached guest house adds even more space with its own open living/dining room, kitchenette, bedroom, and bath. Grounds include a pool and spa, an outdoor kitchen pavilion with built-in grill and sink, fire pit, two fountains, a bocce court, 4-car garage with gated motor court, and solid wrought-iron gates & wooden fences surrounding the perimeter of this private paradise. Just minutes from Sand Hill Road, Stanford, and downtown Menlo Park as well as access to the best schools in the country!
LIST_PRICE 22000000
DCID 5B31F020142FB560E0631501030A87C2
BEDROOMS_TOTAL 6
LONGITUDE -122.22772
STREET_NUMBER 51
MLS_STATUS ACTV
COUNTY_OR_PARISH San Mateo
SQFT 7905
LISTING_ID SF426161901
DISPLAY_PRICE 22000000
REPORT_DISPLAY_PRICE 22000000
SOURCE_MLS SFAR
STATE_OR_PROVINCE CA
CITY_STATE_ZIP Atherton, CA 94027
PARCEL_NUMBER 073-261-300
POSTAL_CODE 94027
DAYS_ON_MARKET 15
STREET_DIR_PREFIX —
YEAR_BUILT 1989
STREET_NAME Valley
SRCHPRICE 22000000
PROPERTY_TYPE RE
HOA_DISPLAY —
PHOTO_VIRTUAL_TOUR —
GAR_DISPLAY /
LOT_SQFT 48911
BATHS_DISPLAY —
ACRES 1.1228
ALLLIST.DCID 5B31F0201430B560E0631501030A87C2
RAW_STATUS ACTV
CITY ATHERTON
STREET_ADDRESS 51 Valley
LATITUDE 37.42667
BUILDING_TYPE Detached
ALLLIST {'DCID': '5B31F0201430B560E0631501030A87C2'}
Details fetched: September 26 2026 07:50PM
First seen: 2026-09-26 19:40 UTC  |  Last updated: 2026-09-27 01:09 UTC
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