3427 CASTLE ROCK Rd, Diamond Bar, CA 91765

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Off market may 2013 for $475K

$1,017,806

Est. refi paymentEst. refi $3,283/mo

•

1,851

sq ft

3427 CASTLE ROCK Rd, Diamond Bar, CA 91765

About this home

Walnut school district. Spacious home with large lot in the cul-de-sac. 4 bedrooms and 2 bathrooms. Single Level home with a with large living room, family room, dining room and a huge yard. Award winning schools. Good location, easy exit 57 & 60 Fwy, Quiet area, great floor plan, 2200 sq. ft house, front entrance! BEST DEAL EVER IN DIAMOND BAR! This is a great home with a lot of potential for a first time home buyer or an INVESTOR!!! THIS HOME IS PRICED JUST RIGHT!!! Don't miss out on this great opportunity to own this home BEFORE IT'S GONE!!!! Information is deemed to be reliable but not guaranteed!

Single-familyProperty Type

1963Year Built

7,895 sq ftLot Size

$550Est. Price/Sq.Ft.

2 garage spacesParking

Listed by Suraya Aref •DRE #01522699 • Luxre Realty, Inc.

Bought with Kalvin Tsui •DRE #01890662

Redfin checked: a minute ago

•Source:CRMLS #S723844

Redfin Estimate

$1,017,806

$543K since sold in May 2013$14K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4% higher than the average sale price ($979K) of 5 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 28, 2026
$1,110,000
C
4 beds2 baths2,108 sq ft
3147 Fallow Fld, 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 SEP 17, 2026
$930,000
E
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765

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Earn from this home

Sell

$698,580

Est. take-home

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Refinance

Est. cash available

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Rent

$3,341/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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$1,363,000
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883 Terrace W, Pomona, CA 91765
$1,050,000
4 beds2 baths1,859 sq ft
23547 Decorah, Diamond Bar, CA 91765
$1,080,000
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239 N Palo Cedro, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$1,250,000
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OPEN SUN, 2PM TO 4PM
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OPEN SUN, 1PM TO 4PM
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5 beds3 baths3,203 sq ft
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OPEN SUN, 2PM TO 5PM
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RE/MAX Galaxy
See all

Provided by Redfin

Sale history for 3427 CASTLE ROCK Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,681 (+5.2%)

$467,936 + $116,979

$584,915

2024

$7,304 (+2.4%)

$467,936 + $116,979

$584,915

2023

$7,132 (+2.1%)

$458,761 + $114,686

$573,447

2022

$6,984 (+1.9%)

$449,766 + $112,438

$562,204

2021

$6,854 (+1.3%)

$440,948 + $110,234

$551,182

2020

$6,768 (+1.9%)

$432,302 + $108,073

$540,375

2019

$6,640 (+4.5%)

$427,870 + $106,965

$534,835

2018

$6,352 (+4.7%)

$419,481 + $104,868

$524,349

2017

$6,064 (+3.1%)

$403,193 + $100,797

$503,990

2016

$5,884 (−0.6%)

$403,193 + $100,797

$503,990

2015

$5,920 (−0.1%)

$395,288 + $98,821

$494,109

2014

$5,927 (+110.3%)

$381,725 + $95,431

$477,156

2012

$2,818 (+3.0%)

$85,602 + $128,410

$214,012

2011

$2,736 (+0.9%)

$83,924 + $125,893

$209,817

2010

$2,712 (+0.7%)

$82,279 + $123,425

$205,704

2009

$2,692 (+3.0%)

$81,665 + $122,503

$204,168

2008

$2,612

$81,860 + $122,795

$204,655

Tax history for 3427 CASTLE ROCK Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,681 (+5.2%)

$467,936 + $116,979

$584,915

2024

$7,304 (+2.4%)

$467,936 + $116,979

$584,915

2023

$7,132 (+2.1%)

$458,761 + $114,686

$573,447

2022

$6,984 (+1.9%)

$449,766 + $112,438

$562,204

2021

$6,854 (+1.3%)

$440,948 + $110,234

$551,182

2020

$6,768 (+1.9%)

$432,302 + $108,073

$540,375

2019

$6,640 (+4.5%)

$427,870 + $106,965

$534,835

2018

$6,352 (+4.7%)

$419,481 + $104,868

$524,349

2017

$6,064 (+3.1%)

$403,193 + $100,797

$503,990

2016

$5,884 (−0.6%)

$403,193 + $100,797

$503,990

2015

$5,920 (−0.1%)

$395,288 + $98,821

$494,109

2014

$5,927 (+110.3%)

$381,725 + $95,431

$477,156

2012

$2,818 (+3.0%)

$85,602 + $128,410

$214,012

2011

$2,736 (+0.9%)

$83,924 + $125,893

$209,817

2010

$2,712 (+0.7%)

$82,279 + $123,425

$205,704

2009

$2,692 (+3.0%)

$81,665 + $122,503

$204,168

2008

$2,612

$81,860 + $122,795

$204,655

*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

7,895

Year renovated

1964

Sq. Ft.

1,851

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8714015011

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Yes

Features

—

Last updated by owner on Jan 16, 2018.

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
Driveway - Concrete, Driveway, Direct Garage Access, Garage
Has Parking
# of Parking Spaces: 4

Interior

Laundry Information
Has Laundry
Area

Kitchen Information
Appliances: Dishwasher, Gas Water Heater, Range/Stove Hood, Water Heater Unit
Has Appliances
Area, In Family Room, Formal Dining Room, In Kitchen, In Living Room

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Down, Converted Bedroom, Living Room, Main Floor Primary Bedroom, Separate Family Room

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Tile, Wood

Heating Information
Central Furnace
Has Heating

Interior Features
Panel Doors
Ceramic Counters, Open Floor Plan
Levels: One

Exterior

Exterior Information
Roof: Clay
Construction Materials: Concrete, Drywall Walls, Stucco

Foundation Information
Foundation Details: Brick & Mortar Per, Concrete Block

Exterior Features
Patio And Porch Features: Concrete, See Remarks
Has Patio
Pool Features: None

Lot Information
Lot Size Source: Estimated
Lot Features: Back Yard, Front Yard

Property Information
Total # of Units: 1
Common Walls: 2+ common walls, No Common Walls
Direction Faces: West
Living Area Source: Public Records
Parcel Number: 8714015011
Attached Property
Property Condition: Repairs Cosmetic
Year Built Source: Estimated

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1
Builder Name: NA
Builder Model: n/a

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96637300
Longitude: -117.84872400
Other Subdivision Name: n/a
Directions: 5 North to 57 north exist Diamond Bar to Castle Rock. Check for your GPS for accurate directions.
Road Surface Type: Paved
Subdivision Name: Other (OTHR)

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,851
Stories: —
Parking Spaces: 4
Basement: No
Accessible: No
Lot Size: 7,895 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1964
County: Los Angeles County
APN: 8714015011
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Jan 16, 2018

Other

Listing Information
Days Active in MLS: 112
Continuous Days Active in MLS: 112

Listing Agent Information
List Agent First Name: Suraya
List Agent Last Name: Aref

Listing Office Information
List Office Name: Luxre Realty, Inc.

Selling Agent Information
Buyer Agent First Name: Kalvin
Buyer Agent Last Name: Tsui

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.5mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.7mi

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

$967,000 – $1.17M

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Home values near 3427 CASTLE ROCK Rd

Data from public records.

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

Address	Redfin Estimate
3452 Castle Rock Rd, Diamond Bar, CA 5 Beds \| 2 Baths \| 2048 Sq. Ft.	$1,031,022
3434 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1961 Sq. Ft.	$1,096,778

Property information provided by CRMLS when last listed in 2013. This data may not show owner updates. 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 3427 CASTLE ROCK Rd

Tax history for 3427 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 3427 CASTLE ROCK Rd

More real estate resources