Google street view image for 27 Castledown Rd, Pleasanton, CA 94566

Off Market Dec 1983 for $400K

$2,415,781

Est. refi paymentEst. refi $2,649/mo

•

2 ba

•

2,709

sq ft

27 Castledown Rd, Pleasanton, CA 94566

About this home

27 Castledown Rd is a 2,709 square foot house on a 0.51 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on December 28, 1983 for $400,000. Based on Redfin's Pleasanton data, we estimate the home's value is $2,415,781.

Single-familyProperty Type

1973Year Built

0.51 acresLot Size

$892Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,415,781

$2.0M since sold in December 1983$118K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 20.3% higher than the average sale price ($2.01M) of 6 comparable homes.

SOLD JUN 1, 2026
$2,305,000
A
4 beds2.5 baths2,641 sq ft
646 Windmill Ln, Pleasanton, CA 94566
SOLD JUL 29, 2026
$1,895,000
B
4 beds2.5 baths2,469 sq ft
6674 Via San Blas, Pleasanton, CA 94566
SOLD JUN 5, 2026
$1,275,000
C
4 beds3 baths2,400 sq ft
2349 Kilkare Rd, Sunol, CA 94586
SOLD MAY 29, 2026
$2,399,000
D
4 beds2.5 baths2,609 sq ft
2189 Corte Ricardo, Pleasanton, CA 94566
SOLD JUN 10, 2026
$1,678,000
E
4 beds2 baths1,919 sq ft
479 Mission Dr, Pleasanton, CA 94566
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

$2,287,952

Est. take-home

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Refinance

Est. cash available

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Rent

$5,528/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

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COMING SOON
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OPEN SUN, 11AM TO 3PM
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COMING SOON
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See all

Provided by Redfin

Sale history for 27 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,448 (+2.9%)

$405,451 + $423,268

$828,719

2024

$15,009 (+16.2%)

$405,451 + $423,268

$828,719

2023

$12,919 (+4.0%)

$397,501 + $414,970

$812,471

2022

$12,423 (+1.9%)

$382,069 + $398,858

$780,927

2021

$12,192 (+0.9%)

$382,069 + $398,858

$780,927

2020

$12,081 (−0.8%)

$374,577 + $391,038

$765,615

2019

$12,183 (+1.5%)

$370,737 + $387,030

$757,767

2018

$12,006 (+1.9%)

$363,469 + $379,442

$742,911

2017

$11,787 (+5.7%)

$349,357 + $364,710

$714,067

2016

$11,150 (+0.9%)

$349,357 + $364,710

$714,067

2015

$11,052 (−12.6%)

$342,508 + $357,559

$700,067

2014

$12,652 (−0.9%)

$330,758 + $345,293

$676,051

2013

$12,763 (+5.2%)

$330,758 + $345,293

$676,051

2012

$12,128 (+1.5%)

$329,265 + $343,734

$672,999

2011

$11,953 (−1.0%)

$322,809 + $336,994

$659,803

2010

$12,069 (+3.9%)

$316,480 + $330,387

$646,867

2009

$11,613 (+0.9%)

$314,116 + $327,919

$642,035

2008

$11,508

$314,863 + $328,700

$643,563

Tax history for 27 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,448 (+2.9%)

$405,451 + $423,268

$828,719

2024

$15,009 (+16.2%)

$405,451 + $423,268

$828,719

2023

$12,919 (+4.0%)

$397,501 + $414,970

$812,471

2022

$12,423 (+1.9%)

$382,069 + $398,858

$780,927

2021

$12,192 (+0.9%)

$382,069 + $398,858

$780,927

2020

$12,081 (−0.8%)

$374,577 + $391,038

$765,615

2019

$12,183 (+1.5%)

$370,737 + $387,030

$757,767

2018

$12,006 (+1.9%)

$363,469 + $379,442

$742,911

2017

$11,787 (+5.7%)

$349,357 + $364,710

$714,067

2016

$11,150 (+0.9%)

$349,357 + $364,710

$714,067

2015

$11,052 (−12.6%)

$342,508 + $357,559

$700,067

2014

$12,652 (−0.9%)

$330,758 + $345,293

$676,051

2013

$12,763 (+5.2%)

$330,758 + $345,293

$676,051

2012

$12,128 (+1.5%)

$329,265 + $343,734

$672,999

2011

$11,953 (−1.0%)

$322,809 + $336,994

$659,803

2010

$12,069 (+3.9%)

$316,480 + $330,387

$646,867

2009

$11,613 (+0.9%)

$314,116 + $327,919

$642,035

2008

$11,508

$314,863 + $328,700

$643,563

*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.

Mar 4, 2026 • Active

Residential trade

Replace a five ton heating and air conditioning system, including the furnace and coil. Repair one supply duct run.

HVAC

Aug 9, 2024 • Final

Building

Replace the furnace and air conditioning unit with like-for-like equipment.

HVAC

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

Room Information
# of Rooms: 8

Exterior

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

Property Information
Subdivision Name: CASTLEWOOD CC
Living Sq. Ft: 2,709
Building Sq. Ft: 2,709
# of Units: 1
# of Stories: 1
Legal Description: MAP 12 PG 75 BLK C LOT 8

Parking & Garage Information
# of Parking Spaces: 4

Lot Information
# of Buildings: 1
Land Sq. Ft: 22,144
Legal Lot Number: 8
Legal Block Number: C
Municipality Name: PLEASANTON UNINCORP
Acres: 0.5084
County Use Description: SINGLE FAMILY RESIDENTIAL HOME

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,709
Stories: 1.0
Lot Size: 0.51 acres
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1985
County: Alameda County
APN: 946 440600900

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, 17 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

$2.30M – $2.78M

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Home values near 27 Castledown Rd

Data from public records.

Address	Redfin Estimate
35 Castledown Road, Pleasanton, CA 6 Beds \| 4 Baths \| 3767 Sq. Ft.	$2,642,685
37 Castledown Road, Pleasanton, CA 3 Beds \| 3.5 Baths \| 2564 Sq. Ft.	$2,115,988

Address	Redfin Estimate
31 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 3643 Sq. Ft.	$2,560,090
16 Castledown Road, Pleasanton, CA 4 Beds \| 3.5 Baths \| 3212 Sq. Ft.	$2,428,452

Address	Redfin Estimate
17 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 2900 Sq. Ft.	$2,313,576
23 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 2433 Sq. Ft.	$1,950,219

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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 27 Castledown Rd

Tax history for 27 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 27 Castledown Rd

More real estate resources