481 N ROCK RIVER Dr, Diamond Bar, CA 91765

Off market dec 2003 for $309K

$777,161

Est. refi paymentEst. refi $2,075/mo

•

— ba

•

1,240

sq ft

481 N ROCK RIVER Dr, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1971Year Built

6,990 sq ftLot Size

$627Est. Price/Sq.Ft.

2 car garageParking

Listed by Becky Losoya •DRE #01001844 • RE/MAX Galaxy

Bought with Becky Losoya •DRE #01001844 • RE/MAX Galaxy

Redfin checked: 2 minutes ago

•Source:CRMLS #H312385

Redfin Estimate

$777,161

$468K since sold in December 2003$4,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.3% lower than the average sale price ($857K) of 5 comparable homes.

SOLD OCT 8, 2026
$755,000
A
4 beds2 baths1,386 sq ft
22928 Beaverhead Dr, Diamond Bar, CA 91765
SOLD SEP 2, 2026
$825,000
B
4 beds2 baths1,489 sq ft
105 N Palo Cedro, Diamond Bar, CA 91765
SOLD MAY 22, 2026
$895,000
C
3 beds2 baths1,554 sq ft
856 Golden Prados, Diamond Bar, CA 91765
SOLD JUL 17, 2026
$920,000
D
3 beds2 baths1,272 sq ft
435 Navajo Spgs, Diamond Bar, CA 91765
Equity Union
SOLD JUN 9, 2026
$891,000
E
4 beds2 baths1,577 sq ft
353 S Rock River Rd, Diamond Bar, CA 91765

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Earn from this home

Sell

$646,966

Est. take-home

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Refinance

Est. cash available

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Rent

$2,743/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 481 N ROCK RIVER Dr

Year

Property tax

Land + Additions

Assessment*

2025

$6,139 (+9.1%)

$358,485 + $89,612

$448,097

2024

$5,628 (+2.0%)

$351,456 + $87,855

$439,311

2023

$5,518 (+1.6%)

$344,565 + $86,133

$430,698

2022

$5,430 (+2.3%)

$337,809 + $84,445

$422,254

2021

$5,308 (+0.4%)

$331,186 + $82,790

$413,976

2020

$5,289 (−2.4%)

$324,693 + $81,167

$405,860

2019

$5,417 (+7.8%)

$321,364 + $80,335

$401,699

2018

$5,023 (+1.8%)

$315,063 + $78,760

$393,823

2017

$4,934 (+4.6%)

$302,830 + $75,702

$378,532

2016

$4,716 (+0.9%)

$302,830 + $75,702

$378,532

2015

$4,675 (+0.7%)

$296,893 + $74,218

$371,111

2014

$4,642 (+0.7%)

$286,706 + $71,672

$358,378

2012

$4,612 (+3.2%)

$285,411 + $71,349

$356,760

2011

$4,471 (+0.6%)

$279,815 + $69,950

$349,765

2010

$4,443 (+2.7%)

$274,329 + $68,579

$342,908

2009

$4,326 (+5.0%)

$272,279 + $68,067

$340,346

2008

$4,120

$272,926 + $68,229

$341,155

Tax history for 481 N ROCK RIVER Dr

Year

Property tax

Land + Additions

Assessment*

2025

$6,139 (+9.1%)

$358,485 + $89,612

$448,097

2024

$5,628 (+2.0%)

$351,456 + $87,855

$439,311

2023

$5,518 (+1.6%)

$344,565 + $86,133

$430,698

2022

$5,430 (+2.3%)

$337,809 + $84,445

$422,254

2021

$5,308 (+0.4%)

$331,186 + $82,790

$413,976

2020

$5,289 (−2.4%)

$324,693 + $81,167

$405,860

2019

$5,417 (+7.8%)

$321,364 + $80,335

$401,699

2018

$5,023 (+1.8%)

$315,063 + $78,760

$393,823

2017

$4,934 (+4.6%)

$302,830 + $75,702

$378,532

2016

$4,716 (+0.9%)

$302,830 + $75,702

$378,532

2015

$4,675 (+0.7%)

$296,893 + $74,218

$371,111

2014

$4,642 (+0.7%)

$286,706 + $71,672

$358,378

2012

$4,612 (+3.2%)

$285,411 + $71,349

$356,760

2011

$4,471 (+0.6%)

$279,815 + $69,950

$349,765

2010

$4,443 (+2.7%)

$274,329 + $68,579

$342,908

2009

$4,326 (+5.0%)

$272,279 + $68,067

$340,346

2008

$4,120

$272,926 + $68,229

$341,155

*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

7,513 Sq. Ft.

Year renovated

1971

Sq. Ft.

1,240

Year built

1971

Style

Single Family Residential

County

Los Angeles County

APN

8718027009

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
Attached Garage
# of Garage Spaces: 2
Direct Garage Access
Has Parking

Interior

Laundry Information
Has Laundry
In Garage

Cooling Information
Central
Has Cooling

Room Information
Family Room, Living Room, Walk-In Closet

Fireplace Information
Living Room
Has Fireplace

Interior Features
Levels: One

Exterior

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

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Cul-De-Sac, Lot 6500-9999, Yard

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8718027009
Property Condition: Turnkey
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: 34.02860800
Longitude: -117.81692100

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 1,240
Stories: —
Lot Size: 7,513 square feet
Style: Single Family Residential
Year Built: 1971
Year Renovated: 1971
County: Los Angeles County
APN: 8718027009

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 5
Continuous Days Active in MLS: 5

Listing Agent Information
List Agent First Name: Becky
List Agent Last Name: LOSOYA

Listing Office Information
List Office Name: RE/MAX REALTY-100

Selling Agent Information
Buyer Agent First Name: Becky
Buyer Agent Last Name: LOSOYA

Selling Office Information
Buyer Office Name: RE/MAX REALTY 100

Around this home

Schools

K - 12
Preschool & daycare

Armstrong Elementary School

Public K-6 • Assigned • 0.4mi

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

$739,000 – $894,000

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Nearby similar homes

OPEN SAT

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OPEN SUN, 1PM TO 3PM3D WALKTHROUGH

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New listings for sale in 91765

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Remodeled kitchen • Infinity edge pool • Attached spa

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COMING SOON

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Breathtaking views • Exceptional privacy • Resort style living

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1120 Cleghorn Unit C, Diamond Bar, CA 91765

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LISTED BY REDFINVIDEO TOUR

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2611 Steeplechase Ln, Diamond Bar, CA 91765

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23548 Casa Loma, Diamond Bar, CA 91765

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22761 Lakeway #414, Diamond Bar, CA 91765

Private balcony • Updated kitchen • Breakfast bar

$800,000

3 beds3 baths1,720 sq ft

2002 Silver Hawk #14, Diamond Bar, CA 91765

Wood flooring • Private loft • Private backyard

$438,000

2 beds2 baths934 sq ft

22820 Hilton Head #78, Diamond Bar, CA 91765

Guard gated entrance • Three swimming pools • Four tennis courts

Golden Nest Realty Group

Home values near 481 N ROCK RIVER Dr

Data from public records.

Address	Redfin Estimate
469 South Rock River Rd, Diamond Bar, CA 6 Beds \| 4 Baths \| 2712 Sq. Ft.	$1,085,847
496 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1349 Sq. Ft.	$828,056
478 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$839,069
462 South Rock River Rd, Diamond Bar, CA 4 Beds \| - Baths \| 1349 Sq. Ft.	$837,986
442 South Rock River Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 1440 Sq. Ft.	$826,272
424 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$933,164
439 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$909,530

Address	Redfin Estimate
475 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 2176 Sq. Ft.	$914,609
490 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1240 Sq. Ft.	$886,299
472 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1349 Sq. Ft.	$843,018
454 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1828 Sq. Ft.	$981,924
436 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$859,517
427 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1440 Sq. Ft.	$863,188
445 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$873,082

Address	Redfin Estimate
498 South Rock River Rd, Diamond Bar, CA 3 Beds \| - Baths \| 1391 Sq. Ft.	$905,972
484 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$724,192
466 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$857,706
448 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$866,153
430 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$841,133
433 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$853,750
415 South Palo Cedro Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$867,743

Property information provided by CRMLS when last listed in 2003. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Sale history for 481 N ROCK RIVER Dr

Tax history for 481 N ROCK RIVER Dr

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 481 N ROCK RIVER Dr

More real estate resources