Off Market Aug 2001 for $990K

$2,445,382

Est. refi paymentEst. refi $5,104/mo

•

2,900

sq ft

18 Castledown Rd, Pleasanton, CA 94588

About this home

Single-familyProperty Type

1977Year Built

0.49 acresLot Size

$843Est. Price/Sq.Ft.

2 car garageParking

Listed by Lois Cox •DRE #01005829 • BHG Tri-Valley Realty

Bought with Barbara Henderson •DRE #00612199 • Henderson Properties

Redfin checked: 2 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #11097017

Redfin Estimate

$2,445,382

$1.5M since sold in August 2001$58K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.6% higher than the average sale price ($2.19M) of 6 comparable homes.

SOLD JUN 5, 2026
$1,275,000
A
4 beds3 baths2,400 sq ft
2349 Kilkare Rd, Sunol, CA 94586
SOLD FEB 26, 2026
$1,990,000
B
4 beds3 baths3,521 sq ft
391 Oak Ln, Pleasanton, CA 94566
SOLD JUN 1, 2026
$2,305,000
C
4 beds2.5 baths2,641 sq ft
646 Windmill Ln, Pleasanton, CA 94566
SOLD AUG 23, 2026
$2,500,000
D
5 beds2.5 baths2,872 sq ft
633 Abbie St, 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 JAN 13, 2026
$1,900,000
F
4 beds3.5 baths2,611 sq ft
540 Hamilton Way, Pleasanton, CA 94566

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Earn from this home

Sell

$2,112,999

Est. take-home

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Est. cash available

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Rent

$5,493/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

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See all

Provided by Redfin

Sale history for 18 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$22,960 (+3.1%)

$438,728 + $1,023,699

$1,462,427

2024

$22,273 (+10.8%)

$438,728 + $1,023,699

$1,462,427

2023

$20,101 (+4.6%)

$430,127 + $1,003,630

$1,433,757

2022

$19,224 (+2.1%)

$413,426 + $964,662

$1,378,088

2021

$18,820 (+1.1%)

$413,426 + $964,662

$1,378,088

2020

$18,624 (−1.0%)

$405,321 + $945,750

$1,351,071

2019

$18,807 (+1.7%)

$401,166 + $936,055

$1,337,221

2018

$18,497 (+2.1%)

$393,302 + $917,705

$1,311,007

2017

$18,111 (+6.6%)

$378,033 + $882,078

$1,260,111

2016

$16,993 (+1.2%)

$378,033 + $882,078

$1,260,111

2015

$16,785 (−6.2%)

$370,623 + $864,787

$1,235,410

2014

$17,890 (+8.2%)

$342,000 + $798,000

$1,140,000

2013

$16,536 (+3.8%)

$342,000 + $798,000

$1,140,000

2012

$15,926 (+3.6%)

$300,000 + $700,000

$1,000,000

2011

$15,371 (−1.0%)

$297,000 + $693,000

$990,000

2010

$15,521 (−9.8%)

$285,000 + $665,000

$950,000

2009

$17,210 (+1.4%)

$285,000 + $665,000

$950,000

2008

$16,969

$340,709 + $794,988

$1,135,697

Tax history for 18 Castledown Rd

Year

Property tax

Land + Additions

Assessment*

2025

$22,960 (+3.1%)

$438,728 + $1,023,699

$1,462,427

2024

$22,273 (+10.8%)

$438,728 + $1,023,699

$1,462,427

2023

$20,101 (+4.6%)

$430,127 + $1,003,630

$1,433,757

2022

$19,224 (+2.1%)

$413,426 + $964,662

$1,378,088

2021

$18,820 (+1.1%)

$413,426 + $964,662

$1,378,088

2020

$18,624 (−1.0%)

$405,321 + $945,750

$1,351,071

2019

$18,807 (+1.7%)

$401,166 + $936,055

$1,337,221

2018

$18,497 (+2.1%)

$393,302 + $917,705

$1,311,007

2017

$18,111 (+6.6%)

$378,033 + $882,078

$1,260,111

2016

$16,993 (+1.2%)

$378,033 + $882,078

$1,260,111

2015

$16,785 (−6.2%)

$370,623 + $864,787

$1,235,410

2014

$17,890 (+8.2%)

$342,000 + $798,000

$1,140,000

2013

$16,536 (+3.8%)

$342,000 + $798,000

$1,140,000

2012

$15,926 (+3.6%)

$300,000 + $700,000

$1,000,000

2011

$15,371 (−1.0%)

$297,000 + $693,000

$990,000

2010

$15,521 (−9.8%)

$285,000 + $665,000

$950,000

2009

$17,210 (+1.4%)

$285,000 + $665,000

$950,000

2008

$16,969

$340,709 + $794,988

$1,135,697

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

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

0.58 Acres

Year renovated

1980

Sq. Ft.

2,167

Year built

1977

Style

Single Family Residential

County

Alameda County

APN

946 440605601

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 28, 2026.

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.

Aug 1, 2025 • Final

Building

HVAC

May 28, 2024 • Final

Building

Perform a nonstructural interior remodel of a primary bathroom and closet. Work includes installing new cabinetry, plumbing, lighting, wiring, and finishes.

Bathroom

Electrical

Plumbing

Remodel

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

Parking

Parking Information
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Detached, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Updated Baths

Interior Features
Interior Features: Bonus/Plus Room, Dining Area, Family Room, Formal Dining Room, Tile Counters, Updated Kitchen
Appliances: Dishwasher, Electric Range, Disposal, Microwave, Oven, Self Cleaning Oven, Gas Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Street Level Features: 4 Bedrooms, 3 Baths, Primary Bedrm Suite - 1, Laundry Facility
Window Features: Window Coverings
Fireplaces Total: 3
Has Fireplace
Flooring: Linoleum, Tile, Carpet

Room Information
Kitchen Features: Counter - Tile,Dishwasher,Electric Range/Cooktop,Garbage Disposal,Microwave,Oven Built-in,Self-Cleaning Oven,Updated Kitchen,Other
Rooms Total: 9
Fireplace Features: Family Room, Gas, Gas Starter, Living Room, Wood Burning

Exterior

Building Information
Construction Materials: Wood Siding
Building Area Total: 2,900
Builder Name: CUSTOM
Foundation Details: Raised, Slab

Exterior Features
Exterior Features: Back Yard, Front Yard, Sprinklers Back, Sprinklers Front

Mobile Home Information
Model: SINGLE STORY

Pool Information
Pool Features: Cabana, In Ground, No Heat
Has Private Pool

Property Information
Living Area: 2900
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1977

Lot Information
Lot Size Square Feet: 21280
Lot Size Area: 0.5
Lot Size Units: Acres
Lot Size Acres: 0.5
Lot Features: Adj To/On Golf Course, Level, Premium Lot, Secluded
Zoning: SFR

Utilities

Utility Information
Water Source: Public

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Central Air

Location

Homeowners Association Information
Has Association
Association Amenities: Greenbelt
Association Fee: $60
Association Fee Frequency: Annually

School Information
High School District: Pleasanton (925) 462-5500

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,167
Stories: —
Lot Size: 0.58 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1980
County: Alameda County
APN: 946 440605601

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 • 94588

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 18 Castledown Rd

Data from public records.

Address	Redfin Estimate
10 Castledown Road, Pleasanton, CA 5 Beds \| 3 Baths \| 3276 Sq. Ft.	$2,332,957
31 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 3643 Sq. Ft.	$2,560,090

Address	Redfin Estimate
35 Castledown Road, Pleasanton, CA 6 Beds \| 4 Baths \| 3767 Sq. Ft.	$2,642,685
17 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 2900 Sq. Ft.	$2,313,576

Address	Redfin Estimate
9 Castledown Road, Pleasanton, CA 4 Beds \| 3 Baths \| 3505 Sq. Ft.	$2,440,831
41 Castledown Road, Pleasanton, CA 5 Beds \| 4.5 Baths \| 4056 Sq. Ft.	$2,773,939

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2001. This data may not match . Learn more.

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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 18 Castledown Rd

Tax history for 18 Castledown Rd

Public record

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 18 Castledown Rd

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