3822 Castle Rock Rd, Diamond Bar, CA 91765

Local rules require you to be signed in to see more photos.

Off market mar 2012 for $399K

$985,351

Est. refi paymentEst. refi $4,591/mo

•

2,100

sq ft

3822 Castle Rock Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1963Year Built

7,277 sq ftLot Size

$469Est. Price/Sq.Ft.

2 car garageParking

Listed by Cathy Cheng •DRE #01270713 • ReMax 2000 Realty

Bought with Angel Lau •DRE #01337201 • Coldwell Banker Dynasty Arc.

Redfin checked: 2 minutes ago

•Source:CRMLS #H11145223

Redfin Estimate

$985,351

$585K since sold in March 2012$17K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 26.8% lower than the average sale price ($1.35M) of 5 comparable homes.

SOLD FEB 6, 2026
$1,330,000
A
4 beds3 baths2,302 sq ft
21307 Chirping Sparrow Rd, Diamond Bar, CA 91765
SOLD APR 17, 2026
$1,388,000
B
5 beds3 baths2,157 sq ft
21030 Riego, Diamond Bar, CA 91765
SOLD MAY 27, 2026
$1,350,000
C
5 beds3 baths2,186 sq ft
21009 Quail Run, Walnut, CA 91789
SOLD MAY 14, 2026
$1,330,000
D
4 beds3 baths2,037 sq ft
3357 Bent Twig, Diamond Bar, CA 91765
SOLD MAR 27, 2026
$1,330,000
E
5 beds3 baths2,186 sq ft
20939 Quail Run, Walnut, CA 91789

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$720,883

Est. take-home

List your home with Redfin and save $4,927

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,513/mo

Redfin rental estimate

List your home for rent

Market trends in 91765, CA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

98.5%

0.6% MoM

Median sale price

$1.1M

$10K MoM

Avg. days on market

43d

1 days MoM

Recently sold homes

100

5 MoM

New listings for sale

COMING SOON
$899,000
3 beds2 baths1,274 sq ft
22922 Dry Crk, Diamond Bar, CA 91765
OPEN SUN, 3PM TO 5PM
$1,499,900
5 beds3 baths3,203 sq ft
24215 Delta Dr, Diamond Bar, CA 91765
$468,000
2 beds2.5 baths1,056 sq ft
22871 Hilton Head Dr #230, Diamond Bar, CA 91765
OPEN SUN, 11AM TO 3PM
$1,363,000
4 beds5 baths2,430 sq ft
883 Terrace W, Pomona, CA 91765
$1,050,000
4 beds2 baths1,859 sq ft
23547 Decorah, Diamond Bar, CA 91765
$1,080,000
4 beds2 baths1,600 sq ft
239 N Palo Cedro, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$1,250,000
4 beds3 baths2,522 sq ft
830 Coldstream Ct, Diamond Bar, CA 91765
OPEN SUN, 2PM TO 4PM
$1,000,000
3 beds2 baths1,436 sq ft
23433 Quail Summit Dr, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$1,595,000
5 beds3 baths3,203 sq ft
1112 Summitridge, Diamond Bar, CA 91765
OPEN SUN, 2PM TO 5PM
$2,490,000
5 beds3 baths6,144 sq ft
2145 Indian Crk, Diamond Bar, CA 91765
RE/MAX Galaxy
See all

Provided by Redfin

Sale history for 3822 Castle Rock Rd

Date

Event

Price

CRMLS #H11145223

Mar 20, 2012

Sold

$399,999

$190/sq ft

Feb 13, 2012

Pending

—

Feb 3, 2012

Price Changed

$399,999

$190/sq ft

Dec 24, 2011

Price Changed

$438,000

$209/sq ft

Dec 16, 2011

Price Changed

$449,000

$214/sq ft

Nov 18, 2011

Price Changed

$468,000

$223/sq ft

Nov 12, 2011

Price Changed

$499,000

$238/sq ft

Nov 5, 2011

Listed

$519,000

$247/sq ft

CRMLS #H09005796

Feb 26, 2009

Sold

$430,000

$205/sq ft

Jan 25, 2009

Listing Removed

—

Jan 15, 2009

Listed

$419,900

$200/sq ft

Bank owned property not a short sale. two story home in South Diamond Bar. Living room, and Dining room. Hardwood floors, Fireplace and 2 car garage and huge driveway for additional parking. Serene canyon view. Cul-de-sac. Walnut Unified School District. Assessors data shows 6 bedrooms and 2 baths. needs little TLC . The property will be SOLD on an "AS IS" basis. Seller is unaware of the condition of the property or the presence of any hazardous substances on the property.

CRMLS #K08083427

Jun 20, 2008

Listing Removed

—

Jun 9, 2008

Listed

$400,000

$190/sq ft

Public Records

Jan 12, 2007

Sold

$665,000

$317/sq ft

CRMLS #M602351

Jan 8, 2007

Listing Removed

—

Jul 5, 2006

Listed

$629,000

$300/sq ft

CRMLS #Y65033

Oct 3, 2006

Listing Removed

—

Jul 17, 2006

Listed

$629,900

$300/sq ft

CRMLS #H403363

Jun 19, 2004

Sold

$485,000

$231/sq ft

Apr 2, 2004

Listed

$499,000

$238/sq ft

Public Records

May 14, 2004

Sold

$485,000

$231/sq ft

Public Records

Nov 26, 1976

Sold

$48,000

$23/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,332 (+6.0%)

$436,589 + $272,423

$709,012

2024

$8,801 (+3.6%)

$436,589 + $272,423

$709,012

2023

$8,494 (+2.1%)

$428,029 + $267,082

$695,111

2022

$8,317 (+39.4%)

$419,637 + $261,846

$681,483

2021

$5,966 (+1.3%)

$411,409 + $256,712

$668,121

2020

$5,892 (+1.9%)

$306,689 + $157,462

$464,151

2019

$5,781 (+4.3%)

$303,545 + $155,848

$459,393

2018

$5,542 (+4.7%)

$297,594 + $152,793

$450,387

2017

$5,294 (+3.2%)

$286,039 + $146,861

$432,900

2016

$5,131 (−0.6%)

$286,039 + $146,861

$432,900

2015

$5,161 (−0.2%)

$280,431 + $143,982

$424,413

2014

$5,169 (−7.4%)

$270,809 + $139,042

$409,851

2012

$5,583 (+2.9%)

$269,586 + $138,414

$408,000

2011

$5,424 (+0.8%)

$289,938 + $150,915

$440,853

2010

$5,382 (−4.7%)

$284,253 + $147,956

$432,209

2009

$5,651 (−18.4%)

$282,129 + $146,851

$428,980

2008

$6,926

$200,000 + $255,000

$455,000

Tax history for 3822 Castle Rock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,332 (+6.0%)

$436,589 + $272,423

$709,012

2024

$8,801 (+3.6%)

$436,589 + $272,423

$709,012

2023

$8,494 (+2.1%)

$428,029 + $267,082

$695,111

2022

$8,317 (+39.4%)

$419,637 + $261,846

$681,483

2021

$5,966 (+1.3%)

$411,409 + $256,712

$668,121

2020

$5,892 (+1.9%)

$306,689 + $157,462

$464,151

2019

$5,781 (+4.3%)

$303,545 + $155,848

$459,393

2018

$5,542 (+4.7%)

$297,594 + $152,793

$450,387

2017

$5,294 (+3.2%)

$286,039 + $146,861

$432,900

2016

$5,131 (−0.6%)

$286,039 + $146,861

$432,900

2015

$5,161 (−0.2%)

$280,431 + $143,982

$424,413

2014

$5,169 (−7.4%)

$270,809 + $139,042

$409,851

2012

$5,583 (+2.9%)

$269,586 + $138,414

$408,000

2011

$5,424 (+0.8%)

$289,938 + $150,915

$440,853

2010

$5,382 (−4.7%)

$284,253 + $147,956

$432,209

2009

$5,651 (−18.4%)

$282,129 + $146,851

$428,980

2008

$6,926

$200,000 + $255,000

$455,000

*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

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

7,282 Sq. Ft.

Year renovated

1963

Sq. Ft.

2,100

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8714017004

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 2026.

RLM

Low/Medium Density Residential District

The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 2

Interior

Bathroom Information
# of Baths (Full): 3

Cooling Information
Wall Window
Has Cooling

Room Information
Multi-Level Bedroom

Fireplace Information
Family Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: Two

Exterior

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Cul-De-Sac

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8714017004
Year Built Source: Assessor

Location

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96124300
Longitude: -117.85221100

Public facts

Beds: 6
Baths: 2.0
Sq. Ft.: 2,100
Stories: —
Lot Size: 7,282 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8714017004

Home facts updated by county records on Aug 30, 2026

Other

Listing Information
Days Active in MLS: 101
Continuous Days Active in MLS: 101

Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng

Listing Office Information
List Office Name: ReMax 2000 Realty

Selling Agent Information
Buyer Agent First Name: Angel
Buyer Agent Last Name: Lau

Selling Office Information
Buyer Office Name: Coldwell Banker Dynasty Arc.

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.9mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 2.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.6mi

10/10

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

6/10 Fire Factor

8% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 99° expected this year, 21 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

13 unhealthy days expected this year, 14 days in 30 years

Provided by First Street

Historical weather

Diamond Bar, CA • 91765

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 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$937,000 – $1.13M

Reach more buyers when you sell with Redfin. Save up to $9,854 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

$1,399,998

5 beds3 baths3,073 sq ft

21380 Chirping Sparrow Rd, Diamond Bar, CA 91765

3D WALKTHROUGH

$1,299,000

4 beds3 baths1,942 sq ft

2545 Castle Rock Rd, Diamond Bar, CA 91765

OPEN SUN, 11AM TO 3PM

$1,385,000

4 beds2.5 baths2,265 sq ft

20400 Lake Canyon Dr, Walnut, CA 91789

New Century Realtors

$6,500,000

11 beds12 baths17,241 sq ft

22588 Ridge Line Rd, Diamond Bar, CA 91765

ReMax 2000 Realty

$6,980,000

6 beds6.5 baths11,000 sq ft

2855 Oak Knoll Dr, Diamond Bar, CA 91765

Country Queen Real Estate

$1,199,900

4 beds4 baths1,810 sq ft

21325 Hipass Dr, Diamond Bar, CA 91765

New listings for sale in 91765

COMING SOON

$899,000

3 beds2 baths1,274 sq ft

22922 Dry Crk, Diamond Bar, CA 91765

OPEN SUN, 3PM TO 5PM

$1,499,900

5 beds3 baths3,203 sq ft

24215 Delta Dr, Diamond Bar, CA 91765

$468,000

2 beds2.5 baths1,056 sq ft

22871 Hilton Head Dr #230, Diamond Bar, CA 91765

OPEN SUN, 11AM TO 3PM

$1,363,000

4 beds5 baths2,430 sq ft

883 Terrace W, Pomona, CA 91765

$1,050,000

4 beds2 baths1,859 sq ft

23547 Decorah, Diamond Bar, CA 91765

$1,080,000

4 beds2 baths1,600 sq ft

239 N Palo Cedro, Diamond Bar, CA 91765

OPEN SUN, 1PM TO 4PM

$1,250,000

4 beds3 baths2,522 sq ft

830 Coldstream Ct, Diamond Bar, CA 91765

OPEN SUN, 2PM TO 4PM

$1,000,000

3 beds2 baths1,436 sq ft

23433 Quail Summit Dr, Diamond Bar, CA 91765

OPEN SUN, 1PM TO 4PM3D & VIDEO TOUR

$1,595,000

5 beds3 baths3,203 sq ft

1112 Summitridge, Diamond Bar, CA 91765

Home values near 3822 Castle Rock Rd

Data from public records.

Address	Redfin Estimate
3711 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1521 Sq. Ft.	$862,289
3731 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1724 Sq. Ft.	$988,333

Address	Redfin Estimate
3719 Castle Rock Road, Diamond Bar, CA 4 Beds \| - Baths \| 2164 Sq. Ft.	$1,020,864
3737 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1521 Sq. Ft.	$893,138

Address	Redfin Estimate
3725 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1448 Sq. Ft.	$845,698
3745 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1700 Sq. Ft.	$958,523

Property information provided by CRMLS when last listed in 2011. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

91709 homes for sale
91765 homes for sale
91789 homes for sale
91766 homes for sale
91768 homes for sale

Houses for rent in Diamond Bar	Agents near me	Irvine, CA homes for sale	Diamond Bar Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Diamond Bar Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Irvine homes for sale
Pasadena homes for sale
Long Beach homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Sale history for 3822 Castle Rock Rd

Tax history for 3822 Castle Rock Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91765

Home values near 3822 Castle Rock Rd

More real estate resources