3443 Castle Rock Rd, Diamond Bar, CA 91765

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Off market mar 2018 for $650K

$991,422

Est. refi paymentEst. refi $3,798/mo

•

1,733

sq ft

3443 Castle Rock Rd, Diamond Bar, CA 91765

About this home

JUST REDUCED! Located in a highly sought after neighborhood in the award winning Walnut School District. Beautiful two story home with newly resurfaced pool and amazing yard perfect for entertaining! Covered patio room or game room. 4 bedrooms, 2 bathrooms. Open floor plan with lots of natural light. Updated kitchen with granite counters and new garbage disposal. Large living room with fireplace. Very private backyard with no neighbors behind. Pool features multi rainbow light system and gate access that measures and locks to code safety for pets and little ones. Home features updated copper piping throughout, recessed LED kitchen lighting, updated fixtures and newer central A/C and heating unit. Bedrooms have preserved authentic vintage floors. Beautiful original wood and stainglass front doors. Roof has been recently replaced. Timed sprinkler system in front and back. Home is perfectly located near the end of a quiet Cul De Sac. Just steps away from brand new park, walking track and botanical gardens.

Single-familyProperty Type

1963Year Built

7,610 sq ftLot Size

$572Est. Price/Sq.Ft.

2 car garageParking

Listed by Billy Long •DRE #01982858 • Balboa Real Estate, Inc

Listed by Darina Sokanthong •DRE #02042018 • Balboa Real Estate, Inc

Bought with JIAN WANG •DRE #02047255 • Pinnacle Real Estate Group

Redfin checked: a minute ago

•Source:CRMLS #OC17226751

Redfin Estimate

$991,422

$341K since sold in March 2018$26K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.8% higher than the average sale price ($965K) of 6 comparable homes.

SOLD FEB 27, 2026
$1,030,000
A
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD OCT 31, 2025
$948,880
B
4 beds2 baths1,662 sq ft
3702 Crooked Creek Dr, Diamond Bar, CA 91765
SOLD SEP 17, 2026
$930,000
C
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$875,000
D
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD OCT 16, 2025
$1,030,000
E
4 beds2 baths1,688 sq ft
2624 Crooked Creek Dr, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
F
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate

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Earn from this home

Sell

$508,625

Est. take-home

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Refinance

Est. cash available

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Rent

$3,284/mo

Redfin rental estimate

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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

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OPEN SUN, 3PM TO 5PM
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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
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RE/MAX Galaxy
See all

Provided by Redfin

Sale history for 3443 Castle Rock Rd

Date

Event

Price

CRMLS #OC17226751

Mar 13, 2018

Sold

$650,000

$375/sq ft

Feb 19, 2018

Pending

—

Jan 31, 2018

Contingent

—

Jan 8, 2018

Relisted

—

Jan 3, 2018

Relisted

—

Jan 3, 2018

Delisted

—

Dec 22, 2017

Delisted

—

Dec 4, 2017

Relisted

—

Dec 1, 2017

Delisted

—

Nov 14, 2017

Price Changed

$668,888

$386/sq ft

Oct 27, 2017

Relisted

—

Oct 27, 2017

Price Changed

$680,000

$392/sq ft

Oct 26, 2017

Delisted

—

Oct 3, 2017

Relisted

—

Oct 3, 2017

Relisted

—

Oct 3, 2017

Delisted

—

Oct 2, 2017

Listed

$679,000

$392/sq ft

Oct 2, 2017

Listed

$668,888

$386/sq ft

Oct 2, 2017

Delisted

—

CRMLS #H303922

Jul 16, 2003

Sold

$379,900

$219/sq ft

Apr 11, 2003

Listed

$379,900

$219/sq ft

Public Records

May 18, 1998

Sold

$185,000

$107/sq ft

Public Records

Sep 21, 1988

Sold

$185,000

$107/sq ft

Public Records

Nov 9, 1984

Sold

$104,000

$60/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,571 (+5.7%)

$513,841 + $225,743

$739,584

2024

$9,058 (+3.6%)

$513,841 + $225,743

$739,584

2023

$8,743 (+2.1%)

$503,766 + $221,317

$725,083

2022

$8,560 (+1.9%)

$493,889 + $216,978

$710,867

2021

$8,402 (+1.3%)

$484,205 + $212,724

$696,929

2020

$8,295 (+2.0%)

$474,711 + $208,553

$683,264

2019

$8,135 (+38.0%)

$469,844 + $206,415

$676,259

2018

$5,897 (+4.7%)

$460,632 + $202,368

$663,000

2017

$5,630 (+3.0%)

$306,263 + $159,130

$465,393

2016

$5,464 (−0.6%)

$306,263 + $159,130

$465,393

2015

$5,496 (−0.1%)

$300,258 + $156,010

$456,268

2014

$5,504 (+1.1%)

$289,955 + $150,657

$440,612

2012

$5,442 (+2.9%)

$288,645 + $149,977

$438,622

2011

$5,287 (+0.8%)

$282,986 + $147,037

$430,023

2010

$5,246 (+11.4%)

$277,438 + $144,154

$421,592

2009

$4,709 (−7.4%)

$275,365 + $143,077

$418,442

2008

$5,088

$246,200 + $127,900

$374,100

Tax history for 3443 Castle Rock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,571 (+5.7%)

$513,841 + $225,743

$739,584

2024

$9,058 (+3.6%)

$513,841 + $225,743

$739,584

2023

$8,743 (+2.1%)

$503,766 + $221,317

$725,083

2022

$8,560 (+1.9%)

$493,889 + $216,978

$710,867

2021

$8,402 (+1.3%)

$484,205 + $212,724

$696,929

2020

$8,295 (+2.0%)

$474,711 + $208,553

$683,264

2019

$8,135 (+38.0%)

$469,844 + $206,415

$676,259

2018

$5,897 (+4.7%)

$460,632 + $202,368

$663,000

2017

$5,630 (+3.0%)

$306,263 + $159,130

$465,393

2016

$5,464 (−0.6%)

$306,263 + $159,130

$465,393

2015

$5,496 (−0.1%)

$300,258 + $156,010

$456,268

2014

$5,504 (+1.1%)

$289,955 + $150,657

$440,612

2012

$5,442 (+2.9%)

$288,645 + $149,977

$438,622

2011

$5,287 (+0.8%)

$282,986 + $147,037

$430,023

2010

$5,246 (+11.4%)

$277,438 + $144,154

$421,592

2009

$4,709 (−7.4%)

$275,365 + $143,077

$418,442

2008

$5,088

$246,200 + $127,900

$374,100

*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

7,548 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,724

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8714015013

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
Built-In Storage, Driveway, Garage - Two Door
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
In Garage, Washer Hookup

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
Game Room, Kitchen, Living Room, Main Floor Bedroom, Primary Bathroom, Primary Bedroom, Office, Walk-In Closet

Fireplace Information
Living Room
Has Fireplace

Interior Features
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 2

Exterior

Exterior Information
Roof: Asphalt
Fencing: Blockwall, Wood
Has Fence
Construction Materials: Brick, Stucco

Exterior Features
Pool Features: Private, In Ground, Fenced
Has Pool
Has Sprinklers

Lot Information
Elevation Units: Feet
Lot Features: Back Yard, Cul-De-Sac, Front Yard, Park Nearby, Sprinkler System, Sprinklers In Front, Sprinklers In Rear

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8714015013
Has View

Financial

Assesments Information
Assessments: Unknown

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Sidewalks

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

Location Information
Latitude: 33.96615000
Longitude: -117.84910500
Directions: Exit diamond bar blvd off the 57 N, turn right diamond bar blvd, right brea canyon rd, left silver bluff dr, left castle rock

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,724
Stories: —
Lot Size: 7,548 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8714015013

Home facts updated by county records on Aug 30, 2026

Other

Listing Information
Days Active in MLS: 98
Continuous Days Active in MLS: 98

Listing Agent Information
List Agent First Name: Billy
List Agent Last Name: Long
Co-List Agent First Name: Darina
Co-List Agent Last Name: Sokanthong

Listing Office Information
List Office Name: Balboa Real Estate, Inc
Co-List Office Name: Balboa Real Estate, Inc

Selling Agent Information
Buyer Agent First Name: JIAN
Buyer Agent Last Name: WANG

Selling Office Information
Buyer Office Name: US NATIONAL REALTY

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.5mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.8mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.2mi

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

5/10 Fire Factor

6% 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

$942,000 – $1.14M

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Home values near 3443 Castle Rock Rd

Data from public records.

Address	Redfin Estimate
3474 Castle Rock Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1448 Sq. Ft.	$931,220
3452 Castle Rock Rd, Diamond Bar, CA 5 Beds \| 2 Baths \| 2048 Sq. Ft.	$1,031,022

Address	Redfin Estimate
3466 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1700 Sq. Ft.	$969,875
3446 Castle Rock Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1848 Sq. Ft.	$941,321

Address	Redfin Estimate
3458 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1521 Sq. Ft.	$914,554
3440 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 2098 Sq. Ft.	$1,079,098

Property information provided by CRMLS when last listed in 2017. 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 3443 Castle Rock Rd

Tax history for 3443 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 3443 Castle Rock Rd

More real estate resources