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$3,599,000

Listing Price

4beds

4baths

3,470sqft

25,966sqft lot

21 Valley Oak St, Portola Valley, CA 94028

Member Features

Find Real Estate Bargain!

  • Full foreclosure details

  • Home value, equity and ownership info

  • Find homes priced below market

  • Get full access with a FREE Account

Already a member?

For Sale

Single Family

Home type

935.64

Price / sqft

1988

Year built

Home Details

Escape to serenity in this very private 4-bedroom, 3.5-bathroom retreat priced at $3,599,000. 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 Valleys 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 Valleys 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!

Interior Details

Square Feet
  • 3470

Bedrooms
  • 4

Bathrooms
  • 4

Heating
  • Has Heating:

    Yes

  • Heating Type:

    Central

Cooling
  • Has Cooling:

    Yes

  • Cooling Type:

    Central

Fuel
  • Has Fuel:

    Yes

  • Fuel Type:

    Gas

Basement
  • Has Basement:

    No

  • Basement Type:

    N/A

Flooring
  • Has Flooring:

    No

  • Flooring Type:

    N/A

Fireplace
  • Has Fireplace:

    Yes

  • Fireplace Type:

    N/A

Property Details

Lot Size
  • 25966

Water
  • Yes

Sewer
  • Yes

Parking
  • Type:

    Carport (unspecified)

  • Location:

    N/A

  • Status:

    N/A

  • Number of Spaces:

    2

Deck
  • N/A

Patio
  • N/A

Fence
  • N/A

Pool
  • N/A

Porch
  • N/A

Stoop
  • N/A

Breezeway
  • N/A

Construction Details

Number of Stories
  • 2

Style
  • Contemporary

Exterior
  • Wood Siding

Foundation
  • N/A

Roof
  • N/A

Roofing Material
  • Composition Shingle

Tax History

Year

Amount

Land

Improvement

Percent Change

Assessment

2020

$30,407

$1,407,477

$1,182,280

--%

$2,589,757

2019

$30,051

$1,379,880

$1,159,099

--%

$2,538,979

2018

$28,584

$1,352,824

$1,136,372

--%

$2,489,196

2017

$28,211

$1,326,299

$1,114,091

--%

$2,440,390

2016

$27,695

$1,300,294

$1,092,247

--%

$2,392,541

2014

$26,739

$1,255,675

$1,054,767

--%

$2,310,442

2013

$26,353

$1,250,000

$1,050,000

--%

$2,300,000

2012

$23,172

$1,026,524

$1,026,524

--%

$2,053,048

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Average Home Price in 94028

Nearby Properties

Zip Code

Price

Bed

Bath

Sqft

Lot

Sold Date

$3,750,250

4 Beds

3 Baths

2,950 Sqft

22,151 Lot (sqft)

Sold 05/05/2026

$4,976,042

4 Beds

3.5 Baths

3,110 Sqft

22,542 Lot (sqft)

Sold 10/06/2026

$3,989,160

3 Beds

4 Baths

3,870 Sqft

20,076 Lot (sqft)

Sold 10/05/2026

$4,943,948

4 Beds

4 Baths

3,887 Sqft

20,804 Lot (sqft)

Sold 10/06/2026

$3,599,000

4 Beds

4 Baths

3,470 Sqft

25,966 Lot (sqft)

Sold 09/29/2026

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Calculators

Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments.
Household Income
70,000
$
Home price
3,599,000
$
Down payment
719,800
$
Mortgage Rate
6.5
%
Loan Term
Property Tax Rate
1.1
%
Homeowner's Insurance (Annual)
21,594
$
HOA (Monthly)
0
$
PMI
0
$
$23,297
Your Payment
Total Monthly Payment:$23,297
Percent of Income:399%
Affordable:No

Details for 21 VALLEY OAK ST

Property Debt

Foreclosure Contact Details

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