Google satellite image for 4666 Alpine Rd, Portola Valley, CA 94028

Off market oct 1979 for $170K

$3,702,604

Est. refi paymentEst. refi $1,035/mo

•

3 ba

•

2,810

sq ft

4666 Alpine Rd, Portola Valley, CA 94028

About this home

4666 Alpine Rd is a 2,810 square foot house on a 3.34 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on October 01, 1979 for $170,000. Based on Redfin's Portola Valley data, we estimate the home's value is $3,702,604.

Single-familyProperty Type

1955Year Built

3.34 acresLot Size

$1,318Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,702,604

$3.5M since sold in October 1979$85K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22.3% lower than the average sale price ($4.77M) of 5 comparable homes.

SOLD AUG 21, 2026
$5,300,000
A
5 beds3 baths3,350 sq ft
147 Mapache Dr, Portola Valley, CA 94028
SOLD MAY 11, 2026
$4,625,000
B
3 beds3 baths3,005 sq ft
25 Cordova Ct, Portola Valley, CA 94028
SOLD SEP 25, 2026
$3,055,000
C
4 beds3 baths2,040 sq ft
100 Tan Oak Dr, Portola Valley, CA 94028
SOLD JUN 2, 2026
$5,950,000
D
4 beds3 baths3,380 sq ft
747 Westridge Dr, Portola Valley, CA 94028
SOLD AUG 14, 2026
$4,900,000
E
4 beds3.5 baths3,576 sq ft
11270 Page Mill Rd, Los Altos Hills, CA 94022

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$3,507,217

Est. take-home

List your home with Redfin and save $18,513

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,563/mo

Redfin rental estimate

List your home for rent

Market trends in 94028, CA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

98.4%

0.6% MoM

Median sale price

$5.4M

$473K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

6 MoM

New listings for sale

EARLY ACCESS
$4,295,000
4 beds2 baths2,150 sq ft
980 La Mesa Dr, Portola Valley, CA 94028
EARLY ACCESS
$4,850,000
4 beds4 baths3,511 sq ft
369 Ramona Rd, Portola Valley, CA 94028
OPEN TODAY, 1PM TO 4PM
$2,950,000
3 beds2 baths1,790 sq ft
251 Dedalera Dr, Portola Valley, CA 94028
OPEN TODAY, 1:30PM TO 4:30PM
$4,995,000
4 beds3 baths3,770 sq ft
12 Hawkview St, Portola Valley, CA 94028
$4,999,999
5 beds3.5 baths5,040 sq ft
10 Joaquin Rd, Portola Valley, CA 94028
See all

Provided by Redfin

Sale history for 4666 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,087 (+1.0%)

$59,804 + $276,805

$336,609

2024

$4,048 (+1.3%)

$58,632 + $271,378

$330,010

2023

$3,995 (+2.5%)

$57,483 + $266,057

$323,540

2022

$3,898 (+1.2%)

$56,356 + $260,841

$317,197

2021

$3,853 (−2.3%)

$55,251 + $255,727

$310,978

2020

$3,942 (+0.9%)

$54,168 + $250,713

$304,881

2019

$3,906 (+4.4%)

$53,613 + $248,143

$301,756

2018

$3,741 (+1.0%)

$52,562 + $243,278

$295,840

2017

$3,703 (+1.8%)

$50,522 + $233,832

$284,354

2016

$3,637 (+0.6%)

$50,522 + $233,832

$284,354

2015

$3,616 (+2.1%)

$49,532 + $229,248

$278,780

2014

$3,541 (+4.9%)

$47,833 + $221,382

$269,215

2012

$3,374 (+1.6%)

$47,617 + $220,382

$267,999

2011

$3,323 (+1.2%)

$46,684 + $216,061

$262,745

2010

$3,283 (+6.5%)

$45,769 + $211,825

$257,594

2009

$3,082 (+1.6%)

$45,427 + $210,242

$255,669

2008

$3,033

$45,535 + $210,742

$256,277

Tax history for 4666 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$4,087 (+1.0%)

$59,804 + $276,805

$336,609

2024

$4,048 (+1.3%)

$58,632 + $271,378

$330,010

2023

$3,995 (+2.5%)

$57,483 + $266,057

$323,540

2022

$3,898 (+1.2%)

$56,356 + $260,841

$317,197

2021

$3,853 (−2.3%)

$55,251 + $255,727

$310,978

2020

$3,942 (+0.9%)

$54,168 + $250,713

$304,881

2019

$3,906 (+4.4%)

$53,613 + $248,143

$301,756

2018

$3,741 (+1.0%)

$52,562 + $243,278

$295,840

2017

$3,703 (+1.8%)

$50,522 + $233,832

$284,354

2016

$3,637 (+0.6%)

$50,522 + $233,832

$284,354

2015

$3,616 (+2.1%)

$49,532 + $229,248

$278,780

2014

$3,541 (+4.9%)

$47,833 + $221,382

$269,215

2012

$3,374 (+1.6%)

$47,617 + $220,382

$267,999

2011

$3,323 (+1.2%)

$46,684 + $216,061

$262,745

2010

$3,283 (+6.5%)

$45,769 + $211,825

$257,594

2009

$3,082 (+1.6%)

$45,427 + $210,242

$255,669

2008

$3,033

$45,535 + $210,742

$256,277

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Sq. Ft: 560
Basement Finish: Finished
Basement Type: Full

Bathroom Information
# of Full Baths: 3

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Room Information
# of Rooms: 9

Exterior

Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good

View Information
View: Good

Property Information
Living Sq. Ft: 2,810
Ground Floor Sq. Ft: 2,250
Building Sq. Ft: 2,810
# of Stories: 1
Legal Description: PARCEL 1 3.3443 AC MOL PARCEL MAP VOL 48/30-31

Parking & Garage Information
# of Parking Spaces: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 145,679
Acres: 3.3443
Zoning Code: R1001A
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 3.0
Sq. Ft.: 2,810
Stories: 1.0
Lot Size: 3.34 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: —
County: San Mateo County
APN: 079130510

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Corte Madera School

Public 4-8 • Assigned • 0.3mi

10/10

Woodside High School

Public 9-12 • Assigned • 5.3mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.62% chance of being in a wildfire in next 30 years

2/10 Heat Factor

7 days above 94° expected this year, 13 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Portola Valley, CA • 94028

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10.7 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.

10.7 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.52M – $4.26M

Reach more buyers when you sell with Redfin. Save up to $37,026 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 2PM TO 4PMVIDEO TOUR

$1,725,000

3 beds2 baths1,431 sq ft

252 Blakewood Way, Woodside, CA 94062

$3,500,000

4 beds4 baths2,960 sq ft

176 Los Trancos Cir, Portola Valley, CA 94028

$3,695,000

4 beds2 baths2,397 sq ft

11490 Summit Wood Rd, Los Altos Hills, CA 94022

OPEN TODAY, 2PM TO 4PM

$3,398,000

3 beds2 baths2,420 sq ft

45 Bear Paw, Portola Valley, CA 94028

VIDEO TOUR

$28,900,000

6 beds7.5 baths9,373 sq ft

21888 Blue Oaks Pl, Los Altos Hills, CA 94022

OPEN TODAY, 2PM TO 4PMVIDEO TOUR

$7,295,000

5 beds4 baths2,850 sq ft

1543 Portola Rd, Woodside, CA 94062

New listings for sale in 94028

EARLY ACCESSCOMPASS COMING SOON

$4,295,000

4 beds2 baths2,150 sq ft

980 La Mesa Dr, Portola Valley, CA 94028

EARLY ACCESSCOMPASS COMING SOON

$4,850,000

4 beds4 baths3,511 sq ft

369 Ramona Rd, Portola Valley, CA 94028

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$2,950,000

3 beds2 baths1,790 sq ft

251 Dedalera Dr, Portola Valley, CA 94028

OPEN TODAY, 1:30PM TO 4:30PM3D & VIDEO TOUR

$4,995,000

4 beds3 baths3,770 sq ft

12 Hawkview St, Portola Valley, CA 94028

$4,999,999

5 beds3.5 baths5,040 sq ft

10 Joaquin Rd, Portola Valley, CA 94028

Home values near 4666 Alpine Rd

Data from public records.

Address	Redfin Estimate
4660 Alpine Road, Portola Valley, CA 4 Beds \| 3 Baths \| 2750 Sq. Ft.	$3,480,335
240 Willowbrook Drive, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2440 Sq. Ft.	$4,937,171

Address	Redfin Estimate
4662 Alpine Road, Portola Valley, CA 5 Beds \| 3.5 Baths \| 6430 Sq. Ft.	$7,876,030
215 Willowbrook Drive, Portola Valley, CA 3 Beds \| 2.5 Baths \| 2470 Sq. Ft.	$4,341,318

Address	Redfin Estimate
4668 Alpine Road, Portola Valley, CA 2 Beds \| 1 Baths \| 1385 Sq. Ft.	$3,149,094
19 Cima Way, Portola Valley, CA 3 Beds \| 2 Baths \| 2350 Sq. Ft.	$3,534,426

More real estate resources

Zip Codes
Cities
Neighborhoods
Popular Searches

94028 homes for sale
94020 homes for sale
94022 homes for sale
94062 homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Sky Londa homes for sale
Skywood-Skylonda homes for sale
Los Trancos Woods-Vista Verde homes for sale
Old Bethesda homes for sale
Westridge homes for sale

Houses for rent in Portola Valley	Agents near me	Irvine, CA homes for sale	Portola Valley Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Portola Valley Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Sunnyvale homes for sale
San Jose homes for sale
Fremont homes for sale