Google street view image for 9 Castledown Rd, Pleasanton, CA 94566

Off Market Nov 1993 for $478K

$2,440,831

Est. refi paymentEst. refi $2,876/mo

•

3 ba

•

3,505

sq ft

9 Castledown Rd, Pleasanton, CA 94566

About this home

9 Castledown Rd is a 3,505 square foot house on a 0.45 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 17, 1993 for $478,000. Based on Redfin's Pleasanton data, we estimate the home's value is $2,440,831.

Single-familyProperty Type

1978Year Built

0.45 acresLot Size

$696Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,440,831

$2.0M since sold in November 1993$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% higher than the average sale price ($2.33M) of 6 comparable homes.

SOLD FEB 26, 2026
$1,990,000
A
4 beds3 baths3,521 sq ft
391 Oak Ln, Pleasanton, CA 94566
SOLD JUN 5, 2026
$1,275,000
B
4 beds3 baths2,400 sq ft
2349 Kilkare Rd, Sunol, CA 94586
SOLD AUG 25, 2026
$2,725,000
C
5 beds3.5 baths3,634 sq ft
7905 Sawgrass Ct, Pleasanton, CA 94588
SOLD JUN 1, 2026
$2,305,000
D
4 beds2.5 baths2,641 sq ft
646 Windmill Ln, Pleasanton, CA 94566
SOLD MAY 13, 2026
$3,180,000
E
4 beds3 baths2,916 sq ft
3341 Sorrel Downs Ct, Pleasanton, CA 94588
SOLD AUG 23, 2026
$2,500,000
F
5 beds2.5 baths2,872 sq ft
633 Abbie St, Pleasanton, CA 94566

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Earn from this home

Sell

$2,311,687

Est. take-home

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Refinance

Est. cash available

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Rent

$6,691/mo

Redfin rental estimate

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Market trends in 94566, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.2%

0.9% MoM

Median sale price

$1.7M

$116K MoM

Avg. days on market

28d

11 days MoM

Recently sold homes

2 MoM

New listings for sale

NEW 19 HRS AGO
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NEW 19 HRS AGO
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4 beds2 baths1,359 sq ft
4046 Alvarado St, Pleasanton, CA 94566
COMING SOON
$1,500,000
3 beds2 baths1,540 sq ft
1647 Harvest Rd, Pleasanton, CA 94566
EARLY ACCESS
$6,498,000
5 beds6 baths8,500 sq ft
3757 Selvante St, Pleasanton, CA 94566
OPEN SUN, 11AM TO 3PM
$679,800
3 beds2.5 baths1,202 sq ft
3551 Norton Way, Pleasanton, CA 94566
$1,399,000
4 beds2 baths2,100 sq ft
4017 Silver St, Pleasanton, CA 94566
LISTED BY REDFIN
$1,750,000
3 beds2 baths1,736 sq ft
2452 Crestline, Pleasanton, CA 94566
COMING SOON
$12,900,000
6 beds7 baths12,570 sq ft
1515 Germano Way, Pleasanton, CA 94566
$5,498,800
5 beds5.5 baths6,350 sq ft
3836 Antonini Way, Pleasanton, CA 94566
LISTED BY REDFIN
$2,299,000
4 beds3 baths2,771 sq ft
2956 Amoroso Ct, Pleasanton, CA 94566
See all

Provided by Redfin

Sale history for 9 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,255 (+2.9%)

$424,900 + $387,508

$812,408

2024

$14,822 (+16.4%)

$424,900 + $387,508

$812,408

2023

$12,735 (+4.0%)

$416,570 + $379,911

$796,481

2022

$12,248 (+1.9%)

$400,395 + $365,160

$765,555

2021

$12,022 (+0.9%)

$400,395 + $365,160

$765,555

2020

$11,912 (−0.8%)

$392,545 + $358,001

$750,546

2019

$12,012 (+1.5%)

$388,520 + $354,330

$742,850

2018

$11,839 (+1.8%)

$380,902 + $347,383

$728,285

2017

$11,625 (+5.7%)

$366,115 + $333,896

$700,011

2016

$10,999 (+0.9%)

$366,115 + $333,896

$700,011

2015

$10,904 (−12.8%)

$358,937 + $327,351

$686,288

2014

$12,501 (−0.9%)

$346,622 + $316,119

$662,741

2013

$12,610 (+5.3%)

$346,622 + $316,119

$662,741

2012

$11,978 (+2.2%)

$345,057 + $314,692

$659,749

2011

$11,726 (−1.0%)

$338,292 + $308,522

$646,814

2010

$11,844 (+3.3%)

$331,660 + $302,473

$634,133

2009

$11,469 (+0.9%)

$329,182 + $300,214

$629,396

2008

$11,367

$329,965 + $300,928

$630,893

Tax history for 9 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,255 (+2.9%)

$424,900 + $387,508

$812,408

2024

$14,822 (+16.4%)

$424,900 + $387,508

$812,408

2023

$12,735 (+4.0%)

$416,570 + $379,911

$796,481

2022

$12,248 (+1.9%)

$400,395 + $365,160

$765,555

2021

$12,022 (+0.9%)

$400,395 + $365,160

$765,555

2020

$11,912 (−0.8%)

$392,545 + $358,001

$750,546

2019

$12,012 (+1.5%)

$388,520 + $354,330

$742,850

2018

$11,839 (+1.8%)

$380,902 + $347,383

$728,285

2017

$11,625 (+5.7%)

$366,115 + $333,896

$700,011

2016

$10,999 (+0.9%)

$366,115 + $333,896

$700,011

2015

$10,904 (−12.8%)

$358,937 + $327,351

$686,288

2014

$12,501 (−0.9%)

$346,622 + $316,119

$662,741

2013

$12,610 (+5.3%)

$346,622 + $316,119

$662,741

2012

$11,978 (+2.2%)

$345,057 + $314,692

$659,749

2011

$11,726 (−1.0%)

$338,292 + $308,522

$646,814

2010

$11,844 (+3.3%)

$331,660 + $302,473

$634,133

2009

$11,469 (+0.9%)

$329,182 + $300,214

$629,396

2008

$11,367

$329,965 + $300,928

$630,893

*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

Planned Development District

Planned development districts, hereinafter designated as PD districts, are established to encourage the arrangement of a compatible variety of uses on suitable lands in such a manner that the resulting development will: be in accord with the policies of the General Plan of the county; provide efficient use of the land that includes preservation of significant open areas and natural and topographic landscape features with minimum alteration of natural land forms; provide an environment that will encourage the use of common open areas for neighborhood or community activities and other amenities; be compatible with and enhance the development of the general area; and create an attractive, efficient and safe environment.

Nov 4, 2020 • Final

Building

Remove and replace a gas water heater with a new unit of the same capacity.

Gas

Plumbing

Water heater

Nov 27, 2018 • Final

Building

Tear off the existing roof and install new Class A composition shingles on a residential building.

Roofing

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
Air Conditioning Type: Central
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 3
Has Fireplace

Room Information
# of Rooms: 11

Exterior

Exterior Information
Physical Condition: Good
Foundation Type: Slab
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached

View Information
View: Good

Property Information
Subdivision Name: CASTLEWOOD CC
Living Sq. Ft: 3,505
Building Sq. Ft: 3,505
# of Units: 1
# of Stories: 1.5
Legal Description: BLK D LOT 1

Parking & Garage Information
# of Parking Spaces: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 19,500
Legal Lot Number: 1
Legal Block Number: D
Municipality Name: PLEASANTON UNINCORP
Acres: 0.4477
Zoning Code: R-1
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,505
Stories: 1.5
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1980
County: Alameda County
APN: 946 440601700

Home facts updated by county records on Jul 28, 2026

Around this home

Schools

Phoebe Apperson Hearst Elementary School

Public K-5 • Assigned • 1.1mi

8/10

Pleasanton Middle School

Public 6-8 • Assigned • 1.3mi

7/10

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

4/10 Fire Factor

1% chance of being in a wildfire in next 30 years

4/10 Heat Factor

8 days above 95° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

15 unhealthy days expected this year, 15 days in 30 years

Provided by First Street

Historical weather

Pleasanton, CA • 94566

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

11.4 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.32M – $2.81M

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Home values near 9 Castledown Rd

Data from public records.

Address	Redfin Estimate
10 Castledown Road, Pleasanton, CA 5 Beds \| 3 Baths \| 3276 Sq. Ft.	$2,332,957
17 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 2900 Sq. Ft.	$2,313,576

Address	Redfin Estimate
1 Castledown Road, Pleasanton, CA 5 Beds \| 3 Baths \| 3883 Sq. Ft.	$2,832,595
38 Castledown Road, Pleasanton, CA 3 Beds \| 3 Baths \| 2794 Sq. Ft.	$2,683,819

Address	Redfin Estimate
8 Castledown Road, Pleasanton, CA 4 Beds \| 2 Baths \| 2356 Sq. Ft.	$2,073,594
16 Castledown Road, Pleasanton, CA 4 Beds \| 3.5 Baths \| 3212 Sq. Ft.	$2,428,452

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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 94566, CA

Sale history for 9 Castledown Rd

Tax history for 9 Castledown Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94566

Home values near 9 Castledown Rd

More real estate resources