498 S ROCK RIVER Rd, Diamond Bar, CA 91765

Off market oct 2003 for $354K

$905,972

Est. refi paymentEst. refi $2,418/mo

•

— ba

•

1,391

sq ft

498 S ROCK RIVER Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1971Year Built

0.46 acresLot Size

$651Est. Price/Sq.Ft.

2 car garageParking

Listed by OUT OF AREA ALI • OUT OF AREA

Bought with OUT OF AREA MEMBER • OUT OF AREA

Redfin checked: a minute ago

•Source:CRMLS #I321583

Redfin Estimate

$905,972

$551K since sold in October 2003$11K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.5% lower than the average sale price ($911K) of 6 comparable homes.

SOLD SEP 29, 2026
$960,000
A
4 beds2 baths1,404 sq ft
22941 Dry Crk, Diamond Bar, CA 91765
SOLD OCT 8, 2026
$755,000
B
4 beds2 baths1,386 sq ft
22928 Beaverhead Dr, Diamond Bar, CA 91765
SOLD APR 15, 2026
$1,128,000
C
3 beds2 baths2,115 sq ft
579 Golden Prados, Diamond Bar, CA 91765
SOLD SEP 2, 2026
$825,000
D
4 beds2 baths1,489 sq ft
105 N Palo Cedro, Diamond Bar, CA 91765
SOLD MAY 27, 2026
$900,000
E
3 beds2 baths1,553 sq ft
312 N Prospectors, Diamond Bar, CA 91765
SOLD MAY 22, 2026
$895,000
F
3 beds2 baths1,554 sq ft
856 Golden Prados, Diamond Bar, CA 91765

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Earn from this home

Sell

$757,802

Est. take-home

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Refinance

Est. cash available

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Rent

$3,077/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.1%

0.7% MoM

Median sale price

$1.1M

$19K MoM

Avg. days on market

67d

6 days MoM

Recently sold homes

11 MoM

New listings for sale

$1,450,000
3 beds3.5 baths2,716 sq ft
23843 Gold Rush Dr, Diamond Bar, CA 91765
OPEN SAT
$1,249,000
5 beds3 baths2,240 sq ft
233 N Platina, Diamond Bar, CA 91765
COMING SOON
$3,300,000
6 beds9 baths10,352 sq ft
2677 Wagon Train, Diamond Bar, CA 91765
$595,000
2 beds2 baths1,191 sq ft
1120 Cleghorn Unit C, Diamond Bar, CA 91765
LISTED BY REDFIN
$4,980,000
7 beds7.5 baths7,660 sq ft
2611 Steeplechase Ln, Diamond Bar, CA 91765
$1,079,000
4 beds3 baths2,126 sq ft
23548 Casa Loma, Diamond Bar, CA 91765
$430,000
2 beds2 baths788 sq ft
22761 Lakeway #414, Diamond Bar, CA 91765
$800,000
3 beds3 baths1,720 sq ft
2002 Silver Hawk #14, Diamond Bar, CA 91765
$438,000
2 beds2 baths934 sq ft
22820 Hilton Head #78, Diamond Bar, CA 91765
Golden Nest Realty Group
3D WALKTHROUGH
$1,150,000
5 beds3 baths2,204 sq ft
23917 Decorah, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 498 S ROCK RIVER Rd

Date

Event

Price

Public Records

Oct 1, 2003

Sold

$360,000

$259/sq ft

CRMLS #I321583

Oct 29, 2003

Sold

$354,900

$255/sq ft

Jul 20, 2003

Listed

$354,900

$255/sq ft

CRMLS #S323727

Oct 1, 2003

Sold

$354,900

$255/sq ft

Jul 20, 2003

Listed

$354,900

$255/sq ft

Public Records

Jun 11, 2002

Sold

$267,272

$192/sq ft

Public Records

Jan 18, 2002

Sold

$250,000

$180/sq ft

CRMLS #I263214

Feb 2, 2002

Listing Removed

—

Nov 12, 2001

Listed

$250,000

$180/sq ft

Public Records

Jan 26, 2001

Sold

$210,000

$151/sq ft

Public Records

Dec 24, 1998

Sold

$168,000

$121/sq ft

Public Records

Sep 20, 1977

Sold

$58,500

$42/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$7,325 (+9.5%)

$379,658 + $142,402

$522,060

2024

$6,692 (+2.7%)

$372,214 + $139,610

$511,824

2023

$6,515 (+2.4%)

$364,916 + $136,873

$501,789

2022

$6,365 (+2.2%)

$357,761 + $134,190

$491,951

2021

$6,225 (+0.4%)

$350,747 + $131,559

$482,306

2020

$6,203 (−2.4%)

$343,870 + $128,980

$472,850

2019

$6,354 (+8.7%)

$340,345 + $127,658

$468,003

2018

$5,845 (+1.8%)

$333,672 + $125,155

$458,827

2017

$5,743 (+4.6%)

$320,716 + $120,296

$441,012

2016

$5,490 (+0.9%)

$320,716 + $120,296

$441,012

2015

$5,443 (+0.6%)

$314,428 + $117,938

$432,366

2014

$5,409 (+0.6%)

$303,639 + $113,892

$417,531

2012

$5,378 (+3.1%)

$302,267 + $113,378

$415,645

2011

$5,215 (+0.6%)

$296,341 + $111,155

$407,496

2010

$5,184 (+12.8%)

$290,531 + $108,976

$399,507

2009

$4,597 (−4.5%)

$288,360 + $108,162

$396,522

2008

$4,814

$261,000 + $97,900

$358,900

Tax history for 498 S ROCK RIVER Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,325 (+9.5%)

$379,658 + $142,402

$522,060

2024

$6,692 (+2.7%)

$372,214 + $139,610

$511,824

2023

$6,515 (+2.4%)

$364,916 + $136,873

$501,789

2022

$6,365 (+2.2%)

$357,761 + $134,190

$491,951

2021

$6,225 (+0.4%)

$350,747 + $131,559

$482,306

2020

$6,203 (−2.4%)

$343,870 + $128,980

$472,850

2019

$6,354 (+8.7%)

$340,345 + $127,658

$468,003

2018

$5,845 (+1.8%)

$333,672 + $125,155

$458,827

2017

$5,743 (+4.6%)

$320,716 + $120,296

$441,012

2016

$5,490 (+0.9%)

$320,716 + $120,296

$441,012

2015

$5,443 (+0.6%)

$314,428 + $117,938

$432,366

2014

$5,409 (+0.6%)

$303,639 + $113,892

$417,531

2012

$5,378 (+3.1%)

$302,267 + $113,378

$415,645

2011

$5,215 (+0.6%)

$296,341 + $111,155

$407,496

2010

$5,184 (+12.8%)

$290,531 + $108,976

$399,507

2009

$4,597 (−4.5%)

$288,360 + $108,162

$396,522

2008

$4,814

$261,000 + $97,900

$358,900

*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

0.51 Acres

Year renovated

1971

Sq. Ft.

1,391

Year built

1971

Style

Single Family Residential

County

Los Angeles County

APN

8718027010

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 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
Has Parking

Interior

Laundry Information
Has Laundry
Area, Inside

Kitchen Information
In Family Room

Cooling Information
Central
Has Cooling

Room Information
Family Room, Living Room, Separate Family Room

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Vinyl, Wood

Heating Information
Forced Air
Has Heating

Interior Features
Levels: One

Exterior

Exterior Information
Roof: See Remarks
Fencing: See Remarks
Has Fence

Exterior Features
TV Antenna
Patio And Porch Features: See Remarks
Has Patio
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Cul-De-Sac, Yard

Property Information
Common Walls: End Unit
Living Area Source: Assessor's Data
Parcel Number: 8718027010
Property Condition: Termite Clearance
Has View

Utilities

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

Location

School Information
High School District: Pomona Unified

Location Information
Latitude: 34.01534600
Longitude: -117.81997100
Other Subdivision Name: *
Subdivision Name: *

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,391
Stories: —
Lot Size: 0.51 acres
Style: Single Family Residential
Year Built: 1971
Year Renovated: 1971
County: Los Angeles County
APN: 8718027010

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 73
Continuous Days Active in MLS: 73

Listing Agent Information
List Agent First Name: OUT OF AREA
List Agent Last Name: ALI

Listing Office Information
List Office Name: STAR REAL ESTATE

Selling Agent Information
Buyer Agent First Name: OUT OF AREA
Buyer Agent Last Name: MEMBER

Selling Office Information
Buyer Office Name: OUT OF AREA

Around this home

Schools

K - 12
Preschool & daycare

Armstrong Elementary School

Public K-6 • Assigned • 0.5mi

5/10

Lorbeer Middle School

Public 7-8 • Assigned • 0.7mi

5/10

Diamond Ranch High School

Public 9-12 • Assigned • 2.4mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Diamond Bar market is shifting, creating new opportunities for both buyers and sellers. Buyers have a bit more negotiating room, while well-priced, well-maintained homes can still attract strong interest. If you’re considering a move, I’d be...
2 weeks ago • Diamond Bar
Sang Ur
Redfin Premier agent
124 deals
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Climate risks

1/10 Flood Factor

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

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

7/10 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 10.1 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

10.1 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$861,000 – $1.04M

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Golden Nest Realty Group

Home values near 498 S ROCK RIVER Rd

Data from public records.

Address	Redfin Estimate
469 S Rock River Road, Diamond Bar, CA 6 Beds \| 4 Baths \| 2712 Sq. Ft.	$1,085,847
496 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1349 Sq. Ft.	$828,056
478 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$839,069
462 S Rock River Road, Diamond Bar, CA 4 Beds \| - Baths \| 1349 Sq. Ft.	$837,986
442 S Rock River Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 1440 Sq. Ft.	$826,272
424 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$933,164
433 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$853,750

Address	Redfin Estimate
475 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 2176 Sq. Ft.	$914,609
490 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1240 Sq. Ft.	$886,299
472 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1349 Sq. Ft.	$843,018
454 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1828 Sq. Ft.	$981,924
436 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$859,517
418 S Rock River Road, Diamond Bar, CA 3 Beds \| - Baths \| 1440 Sq. Ft.	$865,666
439 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$909,530

Address	Redfin Estimate
481 S Rock River Road, Diamond Bar, CA 2 Beds \| - Baths \| 1240 Sq. Ft.	$777,161
484 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$724,192
466 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$857,706
448 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$866,153
430 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$841,133
427 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1440 Sq. Ft.	$863,188
445 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$873,082

Property information provided by CRMLS when last listed in 2003. 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 498 S ROCK RIVER Rd

Tax history for 498 S ROCK RIVER 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 498 S ROCK RIVER Rd

More real estate resources