Off Market Jan 2026 for $980K

$1,103,032

Est. refi paymentEst. refi $6,359/mo

•

1,288

sq ft

2819 Castle Rock, Diamond Bar, CA 91765

About this home

Beautiful single-story home located in a cul-de-sac in the most coveted neighborhoods within the top-rated School District! This thoughtfully renovated single-story home offers modern comforts with timeless appeal. Step inside to the cozy living room, anchored by a charming fireplace, serves as the heart of the home—perfect for lazy afternoons or lovely family gatherings. The renovated kitchen features granite countertops, beautiful cabinetry, and plenty of workspace for the home chef. The laundry area sits adjacent to the kitchen, keeping chores within easy reach, and the garage is effortlessly accessible from this space. The backyard is a blank canvas with ample space for outdoor entertaining, play, or gardening—ready for your personal touch. Conveniently situated near the 57/60 freeways and just a short distance from H-Mart Plaza, Diamond Bar High School, Castle Rock Elementary School, and local parks.

Single-familyProperty Type

1962Year Built

7,928 sq ftLot Size

$856Est. Price/Sq.Ft.

2 car garageParking

Listed by Jordan Wang •DRE #01993587 • Keller Williams Realty Irvine

Contact: 9495508885

Bought with Hyung Kang •DRE #02093178 • Keller Williams Realty Irvine

Bought with Jordan Wang •DRE #01993587 • Keller Williams Realty Irvine

Redfin checked: a minute ago

•Source:CRMLS #PW25263081

Redfin Estimate

$1,103,032

$123K since sold in January 2026$16K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.8% higher than the average sale price ($936K) of 6 comparable homes.

SOLD JUL 31, 2026
$875,000
A
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
B
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD FEB 27, 2026
$1,030,000
C
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD FEB 26, 2026
$880,000
D
3 beds2 baths1,280 sq ft
2632 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 16, 2026
$958,600
E
3 beds2 baths1,372 sq ft
2127 Evergreen Springs Dr, Diamond Bar, CA 91765
Keller Williams Premier Prop
SOLD NOV 6, 2025
$900,000
F
3 beds2 baths1,300 sq ft
21223 Fountain Spgs, Diamond Bar, CA 91765

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Earn from this home

Sell

$266,191

Est. take-home

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Refinance

Est. cash available

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Rent

$3,255/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.4%

0.4% MoM

Median sale price

$1.1M

$22K MoM

Avg. days on market

42d

3 days MoM

Recently sold homes

16 MoM

New listings for sale

OPEN SAT, 2PM TO 5PM
$538,000
3 beds2 baths1,047 sq ft
800 Grand Ave Unit D1, Diamond Bar, CA 91765
$1,070,000
4 beds2.5 baths1,893 sq ft
24126 Silver Spray, Diamond Bar, CA 91765
3D WALKTHROUGH
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
$1,499,900
4 beds2.5 baths2,344 sq ft
23450 Amberwick Pl, Diamond Bar, CA 91765
RE/MAX 2000 REALTY
OPEN TODAY, 5PM TO 7PM
$1,424,998
5 beds3 baths3,203 sq ft
24222 Brookwood Dr, Diamond Bar, CA 91765
Rubio Real Estate
$770,000
2 beds2.5 baths1,468 sq ft
22915 Colombard Ln #2, Diamond Bar, CA 91765
$479,000
2 beds2 baths940 sq ft
22857 Hilton Head, Diamond Bar, CA 91765
$1,199,900
4 beds4 baths1,810 sq ft
21325 Hipass Dr, Diamond Bar, CA 91765
OPEN SAT, 2:30PM TO 5:30PM
$1,450,000
4 beds3 baths2,933 sq ft
780 Leyland Dr, Diamond Bar, CA 91765
$1,399,999
5 beds3 baths3,073 sq ft
21380 Chirping Sparrow Rd, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 2819 Castle Rock

Date

Event

Price

CRMLS #PW25263081

Jan 21, 2026

Sold

$980,000

$761/sq ft

Dec 27, 2025

Pending

—

Dec 9, 2025

Contingent

—

Nov 28, 2025

Listed

$980,000

$761/sq ft

CRMLS #WS25163300

Aug 22, 2025

Sold

$940,000

$730/sq ft

Jul 30, 2025

Contingent

—

Jul 22, 2025

Listed

$918,000

$713/sq ft

This delightful single-level residence, featuring 4 bedrooms and 2 bathrooms, offers a thoughtfully designed floor plan that balances comfort and functionality—ideal for today’s lifestyle. Begin your visit with a welcoming porch that greets you warmly, setting the stage for what lies inside. The cozy living room, anchored by a charming fireplace, serves as the heart of the home—perfect for lazy afternoons or lovely family gatherings. Just steps away, a generously sized dining room provides ample space for meals and entertaining, seamlessly connecting to the home’s standout feature: a bright, recently updated kitchen. Spacious and inviting, it’s a chef’s delight and a wonderful spot to bond with loved ones while cooking up memories. The laundry area sits adjacent to the kitchen, keeping chores within easy reach, and the garage is effortlessly accessible from this space. Location perks shine too: H Mart and shopping center are just a 5-minute walk away, making grocery runs a breeze. Outside, the large backyard holds exciting potential—whether you’re considering an ADU or exploring a garage conversion for a JADU (check with the city for permits). Adding to its appeal, this home is nestled in one of the most coveted neighborhoods within the top-rated School District—an unbeatable bonus for families. This gem won’t last long—schedule your showing today before it’s gone!

CRMLS #OC25160677

Jul 17, 2025

Sold

$800,000

$621/sq ft

Jul 17, 2025

Listed

$800,000

$621/sq ft

CRMLS #K12046082

May 23, 2012

Sold

$386,000

$300/sq ft

May 3, 2012

Pending

—

Apr 11, 2012

Listed

$394,000

$306/sq ft

CRMLS #C08131537

Feb 20, 2009

Listing Removed

—

Feb 6, 2009

Price Changed

$424,900

$330/sq ft

Feb 6, 2009

Relisted

—

Jan 5, 2009

Listing Removed

—

Oct 15, 2008

Price Changed

$388,900

$302/sq ft

Oct 9, 2008

Price Changed

$399,900

$310/sq ft

Oct 6, 2008

Price Changed

$409,900

$318/sq ft

Sep 29, 2008

Price Changed

$424,900

$330/sq ft

Sep 22, 2008

Price Changed

$448,900

$349/sq ft

Sep 12, 2008

Listed

$498,900

$387/sq ft

CRMLS #P102842

Dec 18, 1998

Sold

$184,500

$143/sq ft

Oct 10, 1998

Listed

$182,500

$142/sq ft

Public Records

Oct 20, 1986

Sold

$106,000

$82/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,204 (+5.0%)

$343,149 + $123,649

$466,798

2024

$5,907 (+2.4%)

$343,149 + $123,649

$466,798

2023

$5,769 (+2.1%)

$336,421 + $121,225

$457,646

2022

$5,649 (+1.9%)

$329,825 + $118,849

$448,674

2021

$5,544 (+1.3%)

$323,358 + $116,519

$439,877

2020

$5,475 (+1.9%)

$317,018 + $114,235

$431,253

2019

$5,372 (+4.4%)

$313,768 + $113,064

$426,832

2018

$5,145 (+4.7%)

$307,616 + $110,848

$418,464

2017

$4,913 (+3.0%)

$295,672 + $106,545

$402,217

2016

$4,772 (−3.9%)

$295,672 + $106,545

$402,217

2015

$4,967 (−0.2%)

$289,875 + $104,456

$394,331

2014

$4,975 (+39.9%)

$279,929 + $115,578

$395,507

2012

$3,556 (+3.0%)

$278,664 + $115,056

$393,720

2011

$3,454 (+0.9%)

$124,059 + $151,294

$275,353

2010

$3,424 (+0.5%)

$121,627 + $148,328

$269,955

2009

$3,407 (+3.0%)

$120,718 + $147,220

$267,938

2008

$3,309

$121,005 + $147,570

$268,575

Tax history for 2819 Castle Rock

Year

Property tax

Land + Additions

Assessment*

2025

$6,204 (+5.0%)

$343,149 + $123,649

$466,798

2024

$5,907 (+2.4%)

$343,149 + $123,649

$466,798

2023

$5,769 (+2.1%)

$336,421 + $121,225

$457,646

2022

$5,649 (+1.9%)

$329,825 + $118,849

$448,674

2021

$5,544 (+1.3%)

$323,358 + $116,519

$439,877

2020

$5,475 (+1.9%)

$317,018 + $114,235

$431,253

2019

$5,372 (+4.4%)

$313,768 + $113,064

$426,832

2018

$5,145 (+4.7%)

$307,616 + $110,848

$418,464

2017

$4,913 (+3.0%)

$295,672 + $106,545

$402,217

2016

$4,772 (−3.9%)

$295,672 + $106,545

$402,217

2015

$4,967 (−0.2%)

$289,875 + $104,456

$394,331

2014

$4,975 (+39.9%)

$279,929 + $115,578

$395,507

2012

$3,556 (+3.0%)

$278,664 + $115,056

$393,720

2011

$3,454 (+0.9%)

$124,059 + $151,294

$275,353

2010

$3,424 (+0.5%)

$121,627 + $148,328

$269,955

2009

$3,407 (+3.0%)

$120,718 + $147,220

$267,938

2008

$3,309

$121,005 + $147,570

$268,575

*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

7,928 Sq. Ft.

Year renovated

1962

Sq. Ft.

1,288

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285017021

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 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
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Individual Room

Kitchen Information
Appliances: Dishwasher, Garbage Disposal, Gas Oven
Has Appliances
Formal Dining Room
Kitchen Open to Family Room, Remodeled Kitchen, Tile Counters

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central, Wall Window
Has Cooling

Room Information
All Bedrooms Down

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Vinyl

Heating Information
Central Furnace
Has Heating

Interior Features
Entry Level: 1
Entry Location: Front
Levels: One
Main Level Bathrooms: 2
Main Level Bedrooms: 4

Exterior

Exterior Information
Structure Type: House
Fencing: Wood
Has Fence

Exterior Features
Patio And Porch Features: Porch
Has Patio
Pool Features: None

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: 0-1 Unit/Acre

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8285017021
Total # of Stories: 1
Has View
Year Built Source: Assessor
Property ADU: No

Financial

Assesments Information
Assessments: Special Assessments

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: District/Public

Location

Neighborhood Information
Community Features: Sidewalks

School Information
Elementary School: Castle Rock
Middle Or Junior School: South Point
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: CASROC
Middle Or Junior School 2: SOUPOI2
High School 2: DIABAR

Location Information
Latitude: 33.97501700
Longitude: -117.84056100
Directions: Cross Streets: Brea Canyon/Cold Springs

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,288
Stories: —
Lot Size: 7,928 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1962
County: Los Angeles County
APN: 8285017021

Home facts updated by county records on Aug 31, 2026

Other

Listing Information
IDX Contact Info: 9495508885
Days Active in MLS: 11
Continuous Days Active in MLS: 11

Listing Agent Information
List Agent First Name: Jordan
List Agent Last Name: Wang

Listing Office Information
List Office Name: Keller Williams Realty Irvine

Selling Agent Information
Buyer Agent First Name: Hyung
Buyer Agent Last Name: Kang
Co-Buyer Agent First Name: Jordan
Co-Buyer Agent Last Name: Wang

Selling Office Information
Buyer Office Name: Keller Williams Realty Irvine
Co-Buyer Office Name: Keller Williams Realty Irvine

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.3mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.2mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.4mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
2 months ago • Los Angeles County
Peter Santos
Redfin Premier agent
82 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

4% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 21 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

10 unhealthy days expected this year, 13 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

$1.05M – $1.27M

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RE/MAX 2000 REALTY

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Home values near 2819 Castle Rock

Data from public records.

Address	Redfin Estimate
2739 Castle Rock Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 1760 Sq. Ft.	$987,654
2833 Castle Rock Road, Diamond Bar, CA 3 Beds \| - Baths \| 1300 Sq. Ft.	$927,519

Address	Redfin Estimate
2803 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$878,674
2838 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1486 Sq. Ft.	$909,385

Address	Redfin Estimate
2811 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 2312 Sq. Ft.	$755,976
2830 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1500 Sq. Ft.	$955,371

Property information provided by CRMLS when last listed in 2025. 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 91765, CA

Sale history for 2819 Castle Rock

Tax history for 2819 Castle Rock

Public record

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 91765

Home values near 2819 Castle Rock

More real estate resources