Google street view image for 3970 Westbury Rd, Castro Valley, CA 94546

Off market nov 2010 for $400K

$1,166,192

Est. refi paymentEst. refi $2,514/mo

•

3 ba

•

1,963

sq ft

3970 Westbury Rd, Castro Valley, CA 94546

About this home

3970 Westbury Rd is a 1,963 square foot house on a 5,050 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on November 08, 2010 for $400,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,166,192.

Single-familyProperty Type

1959Year Built

5,050 sq ftLot Size

$594Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,166,192

$766K since sold in November 2010$12K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.4% lower than the average sale price ($1.21M) of 6 comparable homes.

BOUGHT WITH REDFIN OCT 12, 2026
$1,135,000
A
3 beds2.5 baths1,960 sq ft
5012 Proctor Rd, Castro Valley, CA 94546
SOLD JUL 23, 2026
$1,125,000
B
3 beds2 baths1,803 sq ft
3781 Cottage Ct, Castro Valley, CA 94546
SOLD JUN 15, 2026
$1,200,000
C
3 beds2.5 baths1,812 sq ft
3439 Wyndale Dr, Castro Valley, CA 94546
SOLD JUN 19, 2026
$1,160,000
D
3 beds2 baths1,400 sq ft
4054 Milton Ave, Castro Valley, CA 94546
SOLD AUG 24, 2026
$1,320,000
E
3 beds2.5 baths1,584 sq ft
5020 Proctor Rd, Castro Valley, CA 94546
SOLD MAY 11, 2026
$1,300,000
F
3 beds2.5 baths1,621 sq ft
19147 Christensen Ct, Castro Valley, CA 94546

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$908,967

Est. take-home

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Rent

$4,095/mo

Redfin rental estimate

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Market trends in 94546, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.4%

0.6% MoM

Median sale price

$1.1M

$823 MoM

Avg. days on market

18d

3 days MoM

Recently sold homes

7 MoM

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See all

Provided by Redfin

Sale history for 3970 Westbury Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,834 (+2.4%)

$156,806 + $365,881

$522,687

2024

$6,675 (+1.8%)

$153,732 + $358,708

$512,440

2023

$6,559 (+2.1%)

$150,718 + $351,677

$502,395

2022

$6,425 (+2.7%)

$144,867 + $338,024

$482,891

2021

$6,258 (+2.4%)

$144,867 + $338,024

$482,891

2020

$6,114 (−1.7%)

$142,027 + $331,396

$473,423

2019

$6,220 (+2.9%)

$140,571 + $328,000

$468,571

2018

$6,043 (+2.7%)

$137,816 + $321,571

$459,387

2017

$5,883 (+5.1%)

$132,466 + $309,089

$441,555

2016

$5,596 (+7.0%)

$132,466 + $309,089

$441,555

2015

$5,230 (+1.4%)

$129,870 + $303,030

$432,900

2014

$5,159 (+0.9%)

$125,414 + $292,633

$418,047

2013

$5,114 (+2.1%)

$125,414 + $292,633

$418,047

2012

$5,008 (+1.4%)

$124,848 + $291,312

$416,160

2011

$4,940 (+213.0%)

$122,400 + $285,600

$408,000

2010

$1,578 (+0.3%)

$120,000 + $280,000

$400,000

2009

$1,573 (+5.8%)

$43,117 + $53,374

$96,491

2008

$1,487

$43,220 + $53,501

$96,721

Tax history for 3970 Westbury Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,834 (+2.4%)

$156,806 + $365,881

$522,687

2024

$6,675 (+1.8%)

$153,732 + $358,708

$512,440

2023

$6,559 (+2.1%)

$150,718 + $351,677

$502,395

2022

$6,425 (+2.7%)

$144,867 + $338,024

$482,891

2021

$6,258 (+2.4%)

$144,867 + $338,024

$482,891

2020

$6,114 (−1.7%)

$142,027 + $331,396

$473,423

2019

$6,220 (+2.9%)

$140,571 + $328,000

$468,571

2018

$6,043 (+2.7%)

$137,816 + $321,571

$459,387

2017

$5,883 (+5.1%)

$132,466 + $309,089

$441,555

2016

$5,596 (+7.0%)

$132,466 + $309,089

$441,555

2015

$5,230 (+1.4%)

$129,870 + $303,030

$432,900

2014

$5,159 (+0.9%)

$125,414 + $292,633

$418,047

2013

$5,114 (+2.1%)

$125,414 + $292,633

$418,047

2012

$5,008 (+1.4%)

$124,848 + $291,312

$416,160

2011

$4,940 (+213.0%)

$122,400 + $285,600

$408,000

2010

$1,578 (+0.3%)

$120,000 + $280,000

$400,000

2009

$1,573 (+5.8%)

$43,117 + $53,374

$96,491

2008

$1,487

$43,220 + $53,501

$96,721

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

Zoning and permits

Zoning
Permits

Single-Family Residence Districts

Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.

Permitted uses

Include but are not limited to:

Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard

Property details

Interior

Room Information
# of Rooms: 6

Exterior

Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average

Pool Information
Has Pool

Property Information
Living Sq. Ft: 1,963
Building Sq. Ft: 1,963
# of Units: 1
# of Stories: 1

Lot Information
# of Buildings: 1
Land Sq. Ft: 5,050
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1159
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,963
Stories: 1.0
Lot Size: 5,050 square feet
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1960
County: Alameda County
APN: 084D134204600

Home facts updated by county records on Sep 17, 2026

Around this home

Schools

K - 12
Preschool & daycare

Chabot Elementary School

Public K-5 • Assigned • 0.5mi

9/10

Creekside Middle School

Public 6-8 • Assigned • 1.4mi

10/10

Castro Valley High School

Public 9-12 • Assigned • 0.4mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
3 weeks ago • Castro Valley
Karan Kandel
Redfin agent
12 deals
Was this helpful?
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...
1 month ago • Castro Valley
Johnny Singh
Redfin Premier agent
139 deals
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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

4/10 Heat Factor

7 days above 88° expected this year, 15 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

Castro Valley, CA • 94546

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 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.11M – $1.34M

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OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

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Home values near 3970 Westbury Rd

Data from public records.

Address	Redfin Estimate
3987 Westbury Road, Castro Valley, CA 3 Beds \| 3 Baths \| 1242 Sq. Ft.	$1,193,987
3973 Westbury Road, Castro Valley, CA 3 Beds \| 3 Baths \| 2024 Sq. Ft.	$1,286,053
18986 Vaughn Avenue, Castro Valley, CA 4 Beds \| 3 Baths \| 1967 Sq. Ft.	$1,177,506
4006 Milton Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1276 Sq. Ft.	$1,031,346
4023 Milton Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1456 Sq. Ft.	$1,087,508
18970 Vaughn Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1324 Sq. Ft.	$1,008,442
4005 Milton Avenue, Castro Valley, CA 4 Beds \| 3 Baths \| 2054 Sq. Ft.	$1,151,376

Address	Redfin Estimate
3960 Westbury Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1630 Sq. Ft.	$1,290,134
3982 Westbury Road, Castro Valley, CA 3 Beds \| 2 Baths \| 1868 Sq. Ft.	$1,089,472
4053 Milton Avenue, Castro Valley, CA 4 Beds \| 2.5 Baths \| 1940 Sq. Ft.	$1,281,460
18962 Vaughn Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1347 Sq. Ft.	$1,055,154
18945 Thornbury Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1432 Sq. Ft.	$1,248,003
18944 Thornbury Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1275 Sq. Ft.	$979,637
18954 Vaughn Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1760 Sq. Ft.	$1,105,433

Address	Redfin Estimate
3979 Westbury Road, Castro Valley, CA 4 Beds \| 2 Baths \| 1932 Sq. Ft.	$1,231,423
18967 Vaughn Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1400 Sq. Ft.	$1,191,601
18969 Thornbury Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1336 Sq. Ft.	$1,168,787
4038 Milton Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1400 Sq. Ft.	$1,205,989
18977 Thornbury Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1383 Sq. Ft.	$1,177,256
18960 Thornbury Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 2153 Sq. Ft.	$1,177,545
4054 Milton Avenue, Castro Valley, CA 3 Beds \| 2 Baths \| 1400 Sq. Ft.	$1,309,609

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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 94546, CA

Sale history for 3970 Westbury Rd

Tax history for 3970 Westbury Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94546

Home values near 3970 Westbury Rd

More real estate resources