Google street view image for 4190 Alpine Rd, Portola Valley, CA 94028

Off market nov 1972 for $29K

$2,049,579

Est. refi paymentEst. refi $198/mo

•

1 ba

•

670

sq ft

4190 Alpine Rd, Portola Valley, CA 94028

About this home

4190 Alpine Rd is a 670 square foot house on a 1 acre lot with 1 bedroom and 1 bathroom. - it last sold on November 15, 1972 for $29,000. Based on Redfin's Portola Valley data, we estimate the home's value is $2,049,579.

Single-familyProperty Type

1908Year Built

1 acresLot Size

$3,059Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,049,579

$2.0M since sold in November 1972$159K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 27.1% lower than the average sale price ($2.81M) of 6 comparable homes.

SOLD MAY 27, 2026
$1,760,000
A
2 beds1 bath990 sq ft
208 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 AUG 11, 2026
$1,720,125
C
3 beds2 baths1,225 sq ft
1019 Los Trancos Rd, Portola Valley, CA 94028
SOLD JUN 9, 2026
$2,250,000
D
3 beds2 baths1,560 sq ft
108 Santa Maria Ave, Portola Valley, CA 94028
SOLD JUN 4, 2026
$1,750,000
E
2 beds2 baths1,444 sq ft
9 Russell Ave, Portola Valley, CA 94028
SOLD JUL 16, 2026
$5,600,000
F
3 beds2 baths1,900 sq ft
365 Alamos Rd, Portola Valley, CA 94028

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Earn from this home

Sell

$1,940,976

Est. take-home

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Est. cash available

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Rent

$1,684/mo

Redfin rental estimate

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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
3D WALKTHROUGH
$2,950,000
3 beds2 baths1,790 sq ft
251 Dedalera Dr, Portola Valley, CA 94028
3D & 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
See all

Provided by Redfin

Sale history for 4190 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,448 (+3.7%)

$63,125 + $28,486

$91,611

2024

$2,361 (+3.5%)

$60,044 + $27,381

$87,425

2023

$2,282 (+2.4%)

$60,044 + $27,381

$87,425

2022

$2,229 (+1.7%)

$58,867 + $26,845

$85,712

2021

$2,192 (+1.7%)

$57,713 + $26,319

$84,032

2020

$2,155 (+2.7%)

$56,582 + $25,803

$82,385

2019

$2,099 (+4.8%)

$56,002 + $25,539

$81,541

2018

$2,003 (+3.3%)

$54,904 + $25,039

$79,943

2017

$1,939 (+3.6%)

$52,773 + $24,068

$76,841

2016

$1,871 (+3.5%)

$52,773 + $24,068

$76,841

2015

$1,807 (+5.9%)

$51,739 + $23,597

$75,336

2014

$1,707 (+8.1%)

$49,964 + $22,788

$72,752

2012

$1,579 (+5.1%)

$49,739 + $22,686

$72,425

2011

$1,503 (+3.5%)

$48,764 + $22,242

$71,006

2010

$1,452 (+9.3%)

$47,808 + $21,806

$69,614

2009

$1,328 (+15.0%)

$47,451 + $21,644

$69,095

2008

$1,155

$47,564 + $21,696

$69,260

Tax history for 4190 Alpine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,448 (+3.7%)

$63,125 + $28,486

$91,611

2024

$2,361 (+3.5%)

$60,044 + $27,381

$87,425

2023

$2,282 (+2.4%)

$60,044 + $27,381

$87,425

2022

$2,229 (+1.7%)

$58,867 + $26,845

$85,712

2021

$2,192 (+1.7%)

$57,713 + $26,319

$84,032

2020

$2,155 (+2.7%)

$56,582 + $25,803

$82,385

2019

$2,099 (+4.8%)

$56,002 + $25,539

$81,541

2018

$2,003 (+3.3%)

$54,904 + $25,039

$79,943

2017

$1,939 (+3.6%)

$52,773 + $24,068

$76,841

2016

$1,871 (+3.5%)

$52,773 + $24,068

$76,841

2015

$1,807 (+5.9%)

$51,739 + $23,597

$75,336

2014

$1,707 (+8.1%)

$49,964 + $22,788

$72,752

2012

$1,579 (+5.1%)

$49,739 + $22,686

$72,425

2011

$1,503 (+3.5%)

$48,764 + $22,242

$71,006

2010

$1,452 (+9.3%)

$47,808 + $21,806

$69,614

2009

$1,328 (+15.0%)

$47,451 + $21,644

$69,095

2008

$1,155

$47,564 + $21,696

$69,260

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

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Air Conditioning Type: Central

Room Information
# of Rooms: 3

Exterior

Property Information
Living Sq. Ft: 670
Gross Sq. Ft: 670
Ground Floor Sq. Ft: 670
Building Sq. Ft: 670
# of Stories: 1
Legal Description: PTNS OF PARCELS 2 & 3 PARCEL MAP VOL 18/18

Parking & Garage Information
# of Parking Spaces: 3

Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
Zoning Code: R1001A
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 670
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1908
Year Renovated: —
County: San Mateo County
APN: 079074360

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Corte Madera School

Public 4-8 • Assigned • 0.8mi

10/10

Woodside High School

Public 9-12 • Assigned • 5.0mi

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

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

3/10 Heat Factor

7 days above 94° expected this year, 14 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

$1.95M – $2.36M

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Home values near 4190 Alpine Rd

Data from public records.

Address	Redfin Estimate
4145 Alpine Rd, Portola Valley, CA 4 Beds \| 3.5 Baths \| 3030 Sq. Ft.	$4,407,765
110 Golden Oak Dr, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2840 Sq. Ft.	$4,401,893

Address	Redfin Estimate
4205 Alpine Rd, Portola Valley, CA 4 Beds \| 3 Baths \| 2690 Sq. Ft.	$3,869,923
3 Hillbrook Dr, Portola Valley, CA 4 Beds \| 3 Baths \| 3330 Sq. Ft.	$4,360,634

Address	Redfin Estimate
4185 Alpine Rd, Portola Valley, CA 5 Beds \| 4.5 Baths \| 3642 Sq. Ft.	$4,527,868
24 Hillbrook Dr, Portola Valley, CA 4 Beds \| 4 Baths \| 3860 Sq. Ft.	$5,092,818

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94028, CA

Sale history for 4190 Alpine Rd

Tax history for 4190 Alpine Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94028

Home values near 4190 Alpine Rd

More real estate resources