21 Valley Oak ST
Portola Valley, CA, 94028
$3,499,000
4 Beds
4 Baths
3,470 SqFt
0.6 Acres
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MLS #ML82031869 image #0
Escape to serenity in this very private 4-bedroom, 3.5-bathroom retreat priced at $3,499,000. Spanning 3,470 square feet on a 25,966 SF lot, this 1988-built residence blends timeless elegance with modern sophistication. The light-filled interior boasts soaring ceilings, large windows, new paint, and lighting throughout, creating an inviting open-concept layout ideal for both grand entertaining and tranquil living. A gourmet kitchen, featuring stainless steel appliances flows seamlessly into spacious living and dining areas. The private primary suite offers a luxurious, spa-inspired ensuite, creating a serene haven. Outside, the beautifully landscaped lot, enveloped by Portola Valley’s iconic oaks, provides a secluded oasis for relaxation or outdoor gatherings. Enjoy an excellent community of neighbors and access to top-rated schools, including Ormondale Elementary, Corte Madera Middle, and Woodside High School (buyer to verify eligibility).Perfectly positioned to get away from the lights of the city while remaining close to Silicon Valley’s tech hubs, scenic trails, and Roberts Market, this home offers unmatched privacy and convenience. Seize this rare opportunity to own a slice of Portola Valleys idyllic lifestyle!

Property Details

Price:
$3,499,000
MLS #:
ML82031869
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Jan 20, 2026
Finished Sq Ft:
3,470
Lot Size:
25,966 sqft / 0.60 acres (approx)
Year Built:
1988
699 – Not Defined699notdefinedOtherOtherOtherWoodside

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Schools

School District:
Other
Elementary School:
Other
Middle School:
Other
High School:
Woodside

Interior

Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Heating
CF

Exterior

Parking Spots
2
Roof
CMP, TARGRV

Financial

HOA Fee
$590
HOA Frequency
MO

Map

Community

Market Summary

Current real estate data for Single Family in Portola Valley as of Mar 06, 2026
18
Single Family Listed
178
Avg DOM
1,201
Avg $ / SqFt
$4,453,859
Avg List Price

Property Summary

    21 Valley Oak ST Portola Valley CA is a Single Family for sale in Portola Valley, CA, 94028. It is listed for $3,499,000 and features 4 beds, 4 baths, and has approximately 3,470 square feet of living space, and was originally constructed in 1988. The current price per square foot is $1,008. The average price per square foot for Single Family listings in Portola Valley is $1,201. The average listing price for Single Family in Portola Valley is $4,453,859.

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21 Valley Oak ST
Portola Valley, CA