2434 Castle Rock Rd, Diamond Bar, CA 91765

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Off Market May 2019 for $590K

$928,493

Est. refi paymentEst. refi $4,415/mo

•

1,315

sq ft

2434 Castle Rock Rd, Diamond Bar, CA 91765

About this home

Wonderful four bedroom, two bath single-story beauty on an oversized lot with a freshly painted exterior and designer colors on the interior with dual pane windows all around, a newer HVAC system, and gorgeous wood laminate flooring throughout, all on a private cul-de-sac in a district that feeds some of the best schools in LA County! Starts with a large front lawn accented by a flower lined walkway, rain gutters and a newer roof along with a newer rollup garage door. Enter in through a double door front entry and into a spacious living room with beautiful laminate flooring, anchored by a brick fireplace, accented by wonderful crown molding, designer paint & extra tall baseboards. Formal dining room (that could double as a family room) has more crown molding all opening up to a spacious kitchen with GE dishwasher, oven and four burner stove top along with wood cabinetry. Master bedroom is huge (13‘ x 10‘) w/ lighted ceiling fan and its own bathroom with walk-in shower and glass slider. Hallway bathroom has newer tile flooring, newer vanity and fixtures with shower over tub accented by designer insets in beautifully tiled walls. Secondary bedrooms are spacious and have lighted ceiling fans, beautiful laminate flooring, extra tall baseboards & crown molding. Backyard is extra large & completely private with room for pool or playground equipment or large gardens Beautiful mature tree trees outback including citrus. Two car garage has direct access, storage and a spacious laundry area.

Single-familyProperty Type

1963Year Built

7,890 sq ftLot Size

$706Est. Price/Sq.Ft.

2 car garageParking

Listed by Ron Arnold •DRE #01338671 • Keller Williams Realty

Listed by Susan Arnold •DRE #01910214 • Keller Williams Realty

Bought with Jordan Wang •DRE #01993587 • Keller Williams Pacific Estate

Redfin checked: 2 minutes ago

•Source:CRMLS #PW18243404

Redfin Estimate

$928,493

$338K since sold in May 2019$5,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.6% lower than the average sale price ($983K) of 6 comparable homes.

SOLD JUL 31, 2026
$975,000
A
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD JUL 31, 2026
$875,000
B
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JAN 21, 2026
$980,000
C
4 beds2 baths1,288 sq ft
2819 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 16, 2026
$958,600
D
3 beds2 baths1,372 sq ft
2127 Evergreen Springs Dr, Diamond Bar, CA 91765
Keller Williams Premier Prop
SOLD FEB 27, 2026
$1,030,000
E
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD APR 7, 2026
$1,080,000
F
4 beds2 baths1,554 sq ft
21415 Running River Ct, Diamond Bar, CA 91765
Century 21 Masters

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Earn from this home

Sell

$476,104

Est. take-home

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Refinance

Est. cash available

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Rent

$3,274/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

99.1%

0.2% MoM

Median sale price

$1.1M

$48K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

108

17 MoM

New listings for sale

COMING SOON
$585,000
2 beds2.5 baths1,012 sq ft
1109 Golden Springs Dr Unit D, Diamond Bar, CA 91765
OPEN SAT, 12PM TO 4PM
$1,648,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
$5,380,000
6 beds7 baths9,038 sq ft
2828 Water Course Dr, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,199,999
4 beds2.5 baths1,915 sq ft
23308 Quail Smt, Diamond Bar, CA 91765
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,690,000
4 beds3 baths2,587 sq ft
1515 Sunbluff Dr, Diamond Bar, CA 91765
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
OPEN SAT, 11AM TO 2PM
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
$625,000
3 beds2.5 baths1,420 sq ft
1030 Golden Springs Dr Unit B, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 2434 Castle Rock Rd

Date

Event

Price

Greater Lansing AoR #PW18243404

May 6, 2019

Sold

$590,000

$449/sq ft

May 6, 2019

Sold

$590,000

$449/sq ft

Apr 17, 2019

Contingent

—

Apr 4, 2019

Price Changed

$605,000

$460/sq ft

Mar 4, 2019

Price Changed

$609,000

$463/sq ft

Feb 26, 2019

Price Changed

$615,000

$468/sq ft

Feb 21, 2019

Price Changed

$619,000

$471/sq ft

Jan 4, 2019

Relisted

—

Dec 17, 2018

Delisted

—

Dec 7, 2018

Relisted

—

Nov 15, 2018

Relisted

—

Nov 15, 2018

Delisted

—

Oct 22, 2018

Delisted

—

Oct 6, 2018

Listed

$605,000

$460/sq ft

Oct 6, 2018

Listed

$622,000

$473/sq ft

Wonderful four bedroom, two bath single-story beauty on an oversized lot with a freshly painted exterior and designer colors on the interior with dual pane windows all around, a newer HVAC system, and gorgeous wood laminate flooring throughout, all on a private cul-de-sac in a district that feeds some of the best schools in LA County! Starts with a large front lawn accented by a flower lined walkway, rain gutters and a newer roof along with a newer rollup garage door.Enter in through a double door front entry and into a spacious living room with beautiful laminate flooring, anchored by a brick fireplace, accented by wonderful crown molding,designer paint & extra tall baseboards.Formal dining room (that could double as a family room) has more crown molding all opening up to a spacious kitchen with GE dishwasher, oven and four burner stove top along with wood cabinetry. Master bedroom is huge (13‘ x 10‘) w/ lighted ceiling fan and its own bathroom with walk-in shower and glass slider. Hallway bathroom has newer tile flooring, newer vanity and fixtures with shower over tub accented by designer insets in beautifully tiled walls.Secondary bedrooms are spacious and have lighted ceiling fans,beautiful laminate flooring,extra tall baseboards & crown molding.Backyard is extra large & completely private with room for pool or playground equipment or large gardens Beautiful mature tree trees outback including citrus.Two car garage has direct access, storage and a spacious laundry area.

CRMLS #P695397

Sep 7, 2009

Sold

$395,000

$300/sq ft

Jul 30, 2009

Pending

—

Jul 15, 2009

Listed

$399,900

$304/sq ft

LOCATED IN THE WALNUT UNIFIED SCHOOL DISTRICT. 4 BEDROOM 2 BATH HOME THAT HAS A HUGE REAR YARD AND NO NEIGHBORS BEHIND YOU. LARGE LIVING ROOM HAS A MASON-BUILT BRICK FIREPLACE, GALLEY KITCHEN WITH AN EATING AREA OPEN TO A FAMILY ROOM. MASTER BEDROOM FEATURES PRIVATE BATH. LOTS OF WINDOWS LOOK OUT TO THE YARD WITH A RETRACTABLE AWNING AND A CONVENIENT STORAGE SHED. 2 CAR GARAGE WITH AUTOMATIC DOOR OPENER. COULD USE SOME NEW PAINT AND CARPETING, BUT PRICED ACCORDINGLY. THIS IS A STANDARD EQUITY SALE.

Year

Property tax

Land + Additions

Assessment*

2025

$8,370 (+4.8%)

$515,143 + $143,008

$658,151

2024

$7,986 (+2.5%)

$515,143 + $143,008

$658,151

2023

$7,794 (+2.1%)

$505,043 + $140,204

$645,247

2022

$7,630 (+0.8%)

$495,141 + $137,455

$632,596

2021

$7,570 (+1.3%)

$485,433 + $134,760

$620,193

2020

$7,475 (+661.6%)

$475,915 + $132,118

$608,033

2019

$981 (−83.7%)

$471,036 + $130,764

$601,800

2018

$6,008 (+4.8%)

$264,002 + $239,423

$503,425

2017

$5,734 (+537.8%)

$253,751 + $230,127

$483,878

2016

$899

$253,751 + $230,127

$483,878

2015

$899

$248,776 + $225,615

$474,391

2010

$899

$18,435 + $39,646

$58,081

2009

$899

$18,435 + $39,646

$58,081

2008

$899

$18,435 + $39,646

$58,081

Tax history for 2434 Castle Rock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,370 (+4.8%)

$515,143 + $143,008

$658,151

2024

$7,986 (+2.5%)

$515,143 + $143,008

$658,151

2023

$7,794 (+2.1%)

$505,043 + $140,204

$645,247

2022

$7,630 (+0.8%)

$495,141 + $137,455

$632,596

2021

$7,570 (+1.3%)

$485,433 + $134,760

$620,193

2020

$7,475 (+661.6%)

$475,915 + $132,118

$608,033

2019

$981 (−83.7%)

$471,036 + $130,764

$601,800

2018

$6,008 (+4.8%)

$264,002 + $239,423

$503,425

2017

$5,734 (+537.8%)

$253,751 + $230,127

$483,878

2016

$899

$253,751 + $230,127

$483,878

2015

$899

$248,776 + $225,615

$474,391

2010

$899

$18,435 + $39,646

$58,081

2009

$899

$18,435 + $39,646

$58,081

2008

$899

$18,435 + $39,646

$58,081

*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

7,892 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,315

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8285007014

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
Direct Garage Access, Driveway
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
In Garage

Kitchen Information
Appliances: Dishwasher, Electric Oven
Has Appliances
Formal Dining Room

Bathroom Information
# of Baths (Full): 2
Shower in Tub, Remodeled

Cooling Information
Central
Has Cooling

Room Information
Living Room

Fireplace Information
Living Room, Masonry
Has Fireplace

Flooring Information
Laminated

Heating Information
Central Furnace
Has Heating

Interior Features
Ceiling Fan
Levels: One
Main Level Bathrooms: 2
Main Level Bedrooms: 4
Window Features: Double Pane Windows

Exterior

Exterior Features
Pool Features: None

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

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8285007014
Total # of Stories: 1
Year Built Source: Assessor

Utilities

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

Location

Neighborhood Information
Community Features: Curbs, Sidewalks, Suburban

School Information
Elementary School: Evergreen
Middle Or Junior School: Chaparral
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: EVERGR
Middle Or Junior School 2: CHAPAR2
High School 2: DIABAR

Location Information
Latitude: 33.98051300
Longitude: -117.83226600
Directions: Pathfinder and Diamond Bar Blvd
Zoning: LCR171/2

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,315
Stories: —
Lot Size: 7,892 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8285007014

Home facts updated by county records on Aug 31, 2026

Other

Listing Information
Days Active in MLS: 128
Continuous Days Active in MLS: 128

Listing Agent Information
List Agent First Name: Ron
List Agent Last Name: Arnold
Co-List Agent First Name: Susan
Co-List Agent Last Name: Arnold

Listing Office Information
List Office Name: Keller Williams Realty
Co-List Office Name: Keller Williams Realty

Selling Agent Information
Buyer Agent First Name: Jordan
Buyer Agent Last Name: Guan

Selling Office Information
Buyer Office Name: Keller Williams Pacific Estate

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 0.1mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 1.3mi

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

6/10 Flood Factor

Estimated 70-78% chance of a flood reaching the building in the next 30 years

5/10 Fire Factor

3% 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 9.7 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.7 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$883,000 – $1.07M

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Home values near 2434 Castle Rock Rd

Data from public records.

Address	Redfin Estimate
2402 Castle Rock Road, Diamond Bar, CA 5 Beds \| 4 Baths \| 2280 Sq. Ft.	$958,335
2420 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1315 Sq. Ft.	$954,241

Address	Redfin Estimate
2406 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1909 Sq. Ft.	$1,122,047
2428 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$832,746

Address	Redfin Estimate
2414 Castle Rock Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2176 Sq. Ft.	$1,009,673
2440 Castle Rock Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 1720 Sq. Ft.	$967,159

Property information provided by CRMLS when last listed in 2018. 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 2434 Castle Rock Rd

Tax history for 2434 Castle Rock Rd

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 2434 Castle Rock Rd

More real estate resources