2578 Castle Rock Rd, Diamond Bar, CA 91765

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Off market may 2017 for $618K

$843,316

Est. refi paymentEst. refi $2,839/mo

•

1,288

sq ft

2578 Castle Rock Rd, Diamond Bar, CA 91765

About this home

WALNUT SCHOOL DISTRICT SINGLE STORY HOME * HARDWOOD FLOOR THROUGHOUT * GRANITE COUNTER TOP IN KITCHEN * CEILING FAN & MIRROR CLOSET DOORS IN ALL BEDROOMS * 2CAR GARAGE WITH ROLL-UP DOOR & HEAVY-DUTY STORAGE SHELVES * BIG BACKYARD WITH A LARGE COVERED PATIO, VEGETABLE GARDEN AND ROOM FOR POOL * CONVENIENT LOCATION WITH WALKING DISTANCE TO CASTLE ROCK ELEMENTARY SCHOOL & SHOPPING CENTER, H-MART * PROPERTY NEEDS SOME TLC, TO BE SOLD "AS IS" * SELLER CREDIT BUYER $5000 FOR ANY AND ALL POSSIBLE REPAIRS AND PAINTING * PROPERTY TO BE SOLD "AS IS" SUBJECT TO BUYER INSPECTION.

Single-familyProperty Type

1963Year Built

7,435 sq ftLot Size

$655Est. Price/Sq.Ft.

2 car garageParking

Listed by Anne Fong •DRE #00970431 • RE/MAX Galaxy

Bought with Estrella RAMOS •DRE #01050615 • Coldwell Banker Envision

Redfin checked: a minute ago

•Source:CRMLS #TR17090683

Redfin Estimate

$843,316

$225K since sold in May 2017$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.1% lower than the average sale price ($970K) 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 SEP 17, 2026
$930,000
B
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$875,000
C
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JAN 21, 2026
$980,000
D
4 beds2 baths1,288 sq ft
2819 Castle Rock, Diamond Bar, CA 91765
SOLD FEB 27, 2026
$1,030,000
E
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD OCT 16, 2025
$1,030,000
F
4 beds2 baths1,688 sq ft
2624 Crooked Creek Dr, Diamond Bar, CA 91765

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Earn from this home

Sell

$400,539

Est. take-home

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Refinance

Est. cash available

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Rent

$3,449/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

97.8%

0.8% MoM

Median sale price

$1.1M

$12K MoM

Avg. days on market

61d

18 days MoM

Recently sold homes

3 MoM

New listings for sale

COMING SOON
22709 Dry Creek Rd, Diamond Bar, CA 91765
$849,900
3 beds2 baths1,553 sq ft
22709 Dry Creek Rd, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 4PM
$750,000
4 beds3 baths1,619 sq ft
2119 Dublin Ln #2, Diamond Bar, CA 91765
NEW 17 HRS AGO
$399,000
2 beds1 bath850 sq ft
22801 Hilton Head Dr #17, Diamond Bar, CA 91765
NEW 24 HRS AGO
$399,000
2 beds1 bath850 sq ft
22804 Hilton Head Dr #40, Diamond Bar, CA 91765
Pinnacle Real Estate Group
OPEN SAT, 12PM TO 3PM
$1,175,000
4 beds2.5 baths1,829 sq ft
21116 Silver Cloud, Diamond Bar, CA 91765
OPEN SAT
$1,100,000
4 beds2 baths1,662 sq ft
3716 Crooked Crk, Diamond Bar, CA 91765
$4,200,000
5 beds6 baths6,257 sq ft
2945 Steeplechase, Diamond Bar, CA 91765
OPEN SAT, 11AM TO 2PM
$1,128,800
4 beds2 baths1,994 sq ft
1160 N Del Sol, Diamond Bar, CA 91765
Synergy Real Estate
OPEN SAT, 1PM TO 4PM
$555,000
2 beds1 bath914 sq ft
21755 Laurelrim Unit B, Diamond Bar, CA 91765
Aramis Realty Group Inc.
$3,070,000
6 beds8 baths7,884 sq ft
23240 Ridge Line, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 2578 Castle Rock Rd

Date

Event

Price

CRMLS #TR17090683

May 31, 2017

Sold

$618,000

$480/sq ft

May 1, 2017

Contingent

—

Apr 27, 2017

Listed

$615,000

$477/sq ft

CRMLS #CV14223126

Aug 31, 2015

Listing Removed

—

Feb 10, 2015

Price Changed

$615,000

$477/sq ft

Oct 17, 2014

Listed

$598,000

$464/sq ft

Public Records

May 6, 2003

Sold

$315,000

$245/sq ft

CRMLS #H303039

May 6, 2003

Sold

$314,900

$244/sq ft

Mar 21, 2003

Listed

$314,900

$244/sq ft

Public Records

Jun 23, 1975

Sold

$11,000

$9/sq ft

Public Records

Aug 2, 1972

Sold

$26,500

$21/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,138 (+4.5%)

$561,234 + $170,345

$731,579

2024

$8,741 (+2.5%)

$550,230 + $167,005

$717,235

2023

$8,532 (+2.1%)

$539,442 + $163,731

$703,173

2022

$8,354 (+1.8%)

$528,865 + $160,521

$689,386

2021

$8,204 (+1.3%)

$518,496 + $157,374

$675,870

2020

$8,100 (+2.0%)

$508,330 + $154,289

$662,619

2019

$7,944 (+4.0%)

$503,118 + $152,707

$655,825

2018

$7,636 (+58.8%)

$493,253 + $149,713

$642,966

2017

$4,807 (+3.0%)

$295,880 + $97,083

$392,963

2016

$4,669 (−0.6%)

$295,880 + $97,083

$392,963

2015

$4,696 (−0.1%)

$290,079 + $95,180

$385,259

2014

$4,703 (+1.2%)

$280,126 + $91,915

$372,041

2012

$4,648 (+2.9%)

$278,860 + $91,500

$370,360

2011

$4,517 (+0.8%)

$273,393 + $89,706

$363,099

2010

$4,481 (+0.4%)

$268,033 + $87,948

$355,981

2009

$4,464 (+2.8%)

$266,030 + $87,291

$353,321

2008

$4,341

$266,662 + $87,499

$354,161

Tax history for 2578 Castle Rock Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,138 (+4.5%)

$561,234 + $170,345

$731,579

2024

$8,741 (+2.5%)

$550,230 + $167,005

$717,235

2023

$8,532 (+2.1%)

$539,442 + $163,731

$703,173

2022

$8,354 (+1.8%)

$528,865 + $160,521

$689,386

2021

$8,204 (+1.3%)

$518,496 + $157,374

$675,870

2020

$8,100 (+2.0%)

$508,330 + $154,289

$662,619

2019

$7,944 (+4.0%)

$503,118 + $152,707

$655,825

2018

$7,636 (+58.8%)

$493,253 + $149,713

$642,966

2017

$4,807 (+3.0%)

$295,880 + $97,083

$392,963

2016

$4,669 (−0.6%)

$295,880 + $97,083

$392,963

2015

$4,696 (−0.1%)

$290,079 + $95,180

$385,259

2014

$4,703 (+1.2%)

$280,126 + $91,915

$372,041

2012

$4,648 (+2.9%)

$278,860 + $91,500

$370,360

2011

$4,517 (+0.8%)

$273,393 + $89,706

$363,099

2010

$4,481 (+0.4%)

$268,033 + $87,948

$355,981

2009

$4,464 (+2.8%)

$266,030 + $87,291

$353,321

2008

$4,341

$266,662 + $87,499

$354,161

*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

7,437 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,288

Year built

1963

Style

Single Family Residential

County

Los Angeles County

APN

8285011005

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 6, 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
# of Garage Spaces: 2
Driveway, Driveway - Concrete, Garage, Direct Garage Access, Garage - Front Entry
Has Parking
# of Parking Spaces: 2

Interior

Kitchen Information
Appliances: Dishwasher, Garbage Disposal, Trash Compactor
Has Appliances
Area
Granite Counters

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Down, Kitchen, Living Room, Main Floor Bedroom, Main Floor Primary Bedroom, Primary Bathroom, Primary Bedroom, Primary Suite

Fireplace Information
Living Room, Gas Starter, Wood
Has Fireplace

Flooring Information
Wood

Heating Information
Central Furnace
Has Heating

Interior Features
Entry Level: 1
Entry Location: ground
Ceiling Fan
Levels: One
Main Level Bathrooms: 2
Main Level Bedrooms: 4
Security Features: Carbon Monoxide Detector(s), Smoke Detector

Exterior

Exterior Information
Roof: Composition
Fencing: Blockwall
Has Fence
Construction Materials: Block

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

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Front Yard, Lawn, Level with Street, Yard

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Direction Faces: Northwest
Parcel Number: 8285011005
Property Condition: Repairs Cosmetic
Total # of Stories: 1
Year Built Source: Appraiser

Financial

Lease / Rental Details
Land Lease

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Curbs, Sidewalks, Street Lighting

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: 33.97793000
Longitude: -117.83695000
Directions: NW/Diamodn Bar Blvd. NE/Fountain Springs
Zoning: LCR171/2

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,288
Stories: —
Lot Size: 7,437 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8285011005

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 3
Continuous Days Active in MLS: 3

Listing Agent Information
List Agent First Name: Anne
List Agent Last Name: Fong

Listing Office Information
List Office Name: Re/Max Realty 100

Selling Agent Information
Buyer Agent First Name: Estrella
Buyer Agent Last Name: Ramos

Selling Office Information
Buyer Office Name: Berkshire Hathaway Home Srvcs

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 0.2mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 1.6mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.3mi

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

3% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 22 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

$802,000 – $970,000

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Aramis Realty Group Inc.

Home values near 2578 Castle Rock Rd

Data from public records.

Address	Redfin Estimate
2620 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$899,654
2584 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1315 Sq. Ft.	$863,194

Address	Redfin Estimate
2612 Castle Rock Road, Diamond Bar, CA 4 Beds \| - Baths \| 1358 Sq. Ft.	$924,289
2570 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1741 Sq. Ft.	$946,934

Address	Redfin Estimate
2606 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,049,751
2562 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$874,269

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 2578 Castle Rock Rd

Tax history for 2578 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 2578 Castle Rock Rd

More real estate resources