Google street view image for 4133 Alpine Rd, Portola Valley, CA 94028

Off Market Feb 1989 for $450K

$3,348,828

Est. refi paymentEst. refi $2,912/mo

•

3 ba

•

1,560

sq ft

4133 Alpine Rd, Portola Valley, CA 94028

About this home

4133 Alpine Rd is a 1,560 square foot house on a 1.22 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on February 17, 1989 for $450,000. Based on Redfin's Portola Valley data, we estimate the home's value is $3,348,828.

Single-familyProperty Type

1964Year Built

1.22 acresLot Size

$2,147Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,348,828

$2.9M since sold in February 1989$63K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.3% lower than the average sale price ($3.91M) of 5 comparable homes.

SOLD JUN 11, 2026
$3,500,000
A
3 beds3 baths2,225 sq ft
332 Canyon Dr, Portola Valley, CA 94028
SOLD APR 17, 2026
$3,800,000
B
3 beds2 baths2,210 sq ft
285 Golden Oak Dr, Portola Valley, CA 94028
SOLD MAY 11, 2026
$4,625,000
C
3 beds3 baths3,005 sq ft
25 Cordova Ct, Portola Valley, CA 94028
SOLD NOV 13, 2025
$3,455,000
D
3 beds2.5 baths2,550 sq ft
475 Cervantes Rd, Portola Valley, CA 94028
SOLD APR 7, 2026
$4,150,000
E
3 beds2 baths2,075 sq ft
2930 Alexis Dr, Palo Alto, CA 94304

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

Earn from this home

Sell

$3,172,015

Est. take-home

List your home with Redfin and save $16,744

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,728/mo

Redfin rental estimate

List your home for rent

Market trends in 94028, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

98.4%

2.3% MoM

Median sale price

$3.9M

$144K MoM

Avg. days on market

34d

18 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SAT, 1:30PM TO 4:30PM
$6,988,000
5 beds4.5 baths5,282 sq ft
40 Hillbrook Dr, Portola Valley, CA 94028
$2,800,000
4 beds3 baths2,040 sq ft
100 TAN OAK Dr, Portola Valley, CA 94028
3D WALKTHROUGH
$7,495,000
4 beds3 baths4,372 sq ft
15 Naranja Way, Portola Valley, CA 94028
See all

Provided by Redfin

Sale history for 4133 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$11,091 (+4.1%)

$574,227 + $286,620

$860,847

2024

$10,649 (+1.6%)

$562,968 + $281,000

$843,968

2023

$10,485 (+1.2%)

$551,930 + $275,491

$827,421

2022

$10,356 (+2.1%)

$541,108 + $270,090

$811,198

2021

$10,142 (+2.0%)

$530,499 + $264,795

$795,294

2020

$9,942 (+1.2%)

$520,098 + $259,603

$779,701

2019

$9,820 (+2.7%)

$514,766 + $256,942

$771,708

2018

$9,561 (+1.9%)

$504,673 + $251,904

$756,577

2017

$9,386 (+2.8%)

$485,077 + $242,123

$727,200

2016

$9,127 (+1.2%)

$485,077 + $242,123

$727,200

2015

$9,019 (+2.9%)

$475,566 + $237,376

$712,942

2014

$8,761 (+0.9%)

$459,248 + $229,231

$688,479

2012

$8,687 (+6.4%)

$457,173 + $228,195

$685,368

2011

$8,168 (+0.1%)

$448,209 + $223,721

$671,930

2010

$8,159 (+0.8%)

$439,421 + $219,335

$658,756

2009

$8,095 (+6.1%)

$436,137 + $217,696

$653,833

2008

$7,631

$428,602 + $213,936

$642,538

Tax history for 4133 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$11,091 (+4.1%)

$574,227 + $286,620

$860,847

2024

$10,649 (+1.6%)

$562,968 + $281,000

$843,968

2023

$10,485 (+1.2%)

$551,930 + $275,491

$827,421

2022

$10,356 (+2.1%)

$541,108 + $270,090

$811,198

2021

$10,142 (+2.0%)

$530,499 + $264,795

$795,294

2020

$9,942 (+1.2%)

$520,098 + $259,603

$779,701

2019

$9,820 (+2.7%)

$514,766 + $256,942

$771,708

2018

$9,561 (+1.9%)

$504,673 + $251,904

$756,577

2017

$9,386 (+2.8%)

$485,077 + $242,123

$727,200

2016

$9,127 (+1.2%)

$485,077 + $242,123

$727,200

2015

$9,019 (+2.9%)

$475,566 + $237,376

$712,942

2014

$8,761 (+0.9%)

$459,248 + $229,231

$688,479

2012

$8,687 (+6.4%)

$457,173 + $228,195

$685,368

2011

$8,168 (+0.1%)

$448,209 + $223,721

$671,930

2010

$8,159 (+0.8%)

$439,421 + $219,335

$658,756

2009

$8,095 (+6.1%)

$436,137 + $217,696

$653,833

2008

$7,631

$428,602 + $213,936

$642,538

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

Permits

Dec 14, 2018 • Final

Construction

Construct a concrete retaining wall.

Grading

Dec 14, 2018 • Final

Construction

Construct a residential building with an attached garage.

New construction

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Heating & Cooling
Heating Fuel Type: Gas

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Exterior Wall: Wood
Roof Framing Type: Wood

Property Information
Subdivision Name: EL CORTE MADERA RHO
Living Sq. Ft: 1,560
Ground Floor Sq. Ft: 1,560
Building Sq. Ft: 1,560
# of Stories: 1

Parking & Garage Information
Garage/Parking Sq. Ft: 460

Lot Information
# of Buildings: 1
Land Sq. Ft: 53,222
Municipality Name: PALO ALTO UNIFIED
Acres: 1.2218
Zoning Code: HS
County Use Description: RESID SINGLE FAMILY

Utility Information
Sewer Type: Septic
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026
Tax Area: PALO ALTO UNIFIED

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,560
Stories: 1.0
Lot Size: 1.22 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1964
County: Santa Clara County
APN: 18234053

Home facts updated by county records on Aug 21, 2026

Around this home

Schools

Lucille M. Nixon Elementary School

Public K-5 • Assigned • 3.3mi

10/10

Ellen Fletcher Middle

Public 6-8 • Assigned • 4.1mi

9/10

Henry M. Gunn High School

Public 9-12 • Assigned • 3.9mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

7/10 Flood Factor

Estimated 73-81% chance of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

3/10 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

$3.18M – $3.85M

Reach more buyers when you sell with Redfin. Save up to $33,488 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

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

$6,988,000

5 beds4.5 baths5,282 sq ft

40 Hillbrook Dr, Portola Valley, CA 94028

$38,800,000

6 beds8 baths9,224 sq ft

15 Hidden Valley Ln, Woodside, CA 94062

VIDEO TOUR

$4,188,000

5 beds3.5 baths2,940 sq ft

410 Conil Way, Portola Valley, CA 94028

NEW CONSTRUCTION

$6,095,000

5 beds4.5 baths2,841 sq ft

8 Nancy Way, Menlo Park, CA 94025

3D & VIDEO TOUR

$5,988,000

5 beds3.5 baths3,740 sq ft

285 Escobar Rd, Portola Valley, CA 94028

OPEN SAT, 2PM TO 4PM3D WALKTHROUGH

$1,829,950

3 beds2 baths1,431 sq ft

252 Blakewood Way, Woodside, CA 94062

New listings for sale in 94028

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

$6,988,000

5 beds4.5 baths5,282 sq ft

40 Hillbrook Dr, Portola Valley, CA 94028

$2,800,000

4 beds3 baths2,040 sq ft

100 TAN OAK Dr, Portola Valley, CA 94028

3D WALKTHROUGH

$7,495,000

4 beds3 baths4,372 sq ft

15 Naranja Way, Portola Valley, CA 94028

Home values near 4133 Alpine Rd

Data from public records.

Address	Redfin Estimate
4121 Alpine Road, Portola Valley, CA 3 Beds \| 3 Baths \| 2156 Sq. Ft.	$4,847,514
3909 Alpine Road, Portola Valley, CA 3 Beds \| 2 Baths \| 3000 Sq. Ft.	$4,443,421

Address	Redfin Estimate
4109 Alpine Road, Portola Valley, CA 4 Beds \| 3 Baths \| 2301 Sq. Ft.	$3,215,174
4125 Alpine Road, Portola Valley, CA 3 Beds \| 2 Baths \| 2196 Sq. Ft.	$3,267,424

Address	Redfin Estimate
4107 Alpine Road, Portola Valley, CA 3 Beds \| 4 Baths \| 5134 Sq. Ft.	$6,583,456
4117 Alpine Road, Portola Valley, CA 4 Beds \| 3 Baths \| 3197 Sq. Ft.	$4,124,255

More real estate resources

Neighborhoods
Zip Codes
Cities
Popular Searches

Sky Londa homes for sale
Central Portola Valley homes for sale
Skywood-Skylonda homes for sale
Old Bethesda homes for sale
Los Trancos Woods-Vista Verde 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.

94028 homes for sale
94020 homes for sale
94022 homes for sale
94062 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	Pasadena, 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