Google street view image for 259 S Rock River Rd, Diamond Bar, CA 91765

Off market

$947,113

•

2 ba

•

2,436

sq ft

259 S Rock River Rd, Diamond Bar, CA 91765

About this home

259 S Rock River Rd is a 2,436 square foot house on a 8,190 square foot lot with 6 bedrooms and 2 bathrooms. Based on Redfin's Diamond Bar data, we estimate the home's value is $947,113.

Single-familyProperty Type

1964Year Built

8,190 sq ftLot Size

$389Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$947,113

$33K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% lower than the average sale price ($995K) of 5 comparable homes.

SOLD OCT 30, 2026
$1,100,000
A
5 beds3 baths2,324 sq ft
203 Tanforan, Diamond Bar, CA 91765
SOLD APR 30, 2026
$980,000
B
5 beds3 baths2,324 sq ft
605 Acolito Pl, Diamond Bar, CA 91765
SOLD JUL 24, 2026
$945,000
C
4 beds2 baths1,503 sq ft
23905 Cholame, Diamond Bar, CA 91765
SOLD JAN 23, 2026
$800,000
D
5 beds3 baths2,240 sq ft
23817 Decorah Rd, Diamond Bar, CA 91765
SOLD BY REDFIN JUN 4, 2026
$1,150,000
E
4 beds3 baths2,334 sq ft
23458 Stirrup Dr, Diamond Bar, CA 91765

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Earn from this home

Sell

$894,715

Est. take-home

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Rent

$3,615/mo

Redfin rental estimate

List your home for rent

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

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
$990,000
3 beds3 baths1,972 sq ft
23266 Forest Cyn, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 259 S Rock River Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$2,667 (+13.9%)

$27,976 + $121,290

$149,266

2024

$2,342 (+1.7%)

$27,428 + $118,912

$146,340

2023

$2,302 (+1.8%)

$26,891 + $116,581

$143,472

2022

$2,261 (+2.8%)

$26,364 + $114,296

$140,660

2021

$2,200 (+0.5%)

$25,848 + $112,055

$137,903

2020

$2,189 (−1.6%)

$25,342 + $109,858

$135,200

2019

$2,225 (+10.4%)

$25,083 + $108,732

$133,815

2018

$2,015 (+1.8%)

$24,592 + $106,600

$131,192

2017

$1,978 (+5.6%)

$23,638 + $102,461

$126,099

2016

$1,873 (+0.8%)

$23,638 + $102,461

$126,099

2015

$1,858 (+0.3%)

$23,175 + $100,452

$123,627

2014

$1,852 (+1.3%)

$22,380 + $97,006

$119,386

2012

$1,829 (+3.2%)

$22,279 + $96,568

$118,847

2011

$1,772 (+0.9%)

$21,843 + $94,675

$116,518

2010

$1,756 (+3.2%)

$21,415 + $92,819

$114,234

2009

$1,702 (+5.0%)

$21,255 + $92,126

$113,381

2008

$1,621

$21,306 + $92,345

$113,651

Tax history for 259 S Rock River Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,667 (+13.9%)

$27,976 + $121,290

$149,266

2024

$2,342 (+1.7%)

$27,428 + $118,912

$146,340

2023

$2,302 (+1.8%)

$26,891 + $116,581

$143,472

2022

$2,261 (+2.8%)

$26,364 + $114,296

$140,660

2021

$2,200 (+0.5%)

$25,848 + $112,055

$137,903

2020

$2,189 (−1.6%)

$25,342 + $109,858

$135,200

2019

$2,225 (+10.4%)

$25,083 + $108,732

$133,815

2018

$2,015 (+1.8%)

$24,592 + $106,600

$131,192

2017

$1,978 (+5.6%)

$23,638 + $102,461

$126,099

2016

$1,873 (+0.8%)

$23,638 + $102,461

$126,099

2015

$1,858 (+0.3%)

$23,175 + $100,452

$123,627

2014

$1,852 (+1.3%)

$22,380 + $97,006

$119,386

2012

$1,829 (+3.2%)

$22,279 + $96,568

$118,847

2011

$1,772 (+0.9%)

$21,843 + $94,675

$116,518

2010

$1,756 (+3.2%)

$21,415 + $92,819

$114,234

2009

$1,702 (+5.0%)

$21,255 + $92,126

$113,381

2008

$1,621

$21,306 + $92,345

$113,651

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

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

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Exterior

Property Information
Subdivision Name: 28429
Living Sq. Ft: 2,436
# of Units: 1
Legal Description: TRACT NO 28429 LOT 19

Lot Information
# of Buildings: 1
Land Sq. Ft: 8,190
Legal Lot Number: 19
Municipality Name: DIAMOND BAR
Acres: 0.188
Depth Footage: 132
Front Footage: 62
Zoning Code: LCR18000*
County Use Description: SINGLE FAMILY RESID

Utility Information
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 6
Baths: 2.0
Sq. Ft.: 2,436
Stories: —
Lot Size: 8,190 square feet
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1969
County: Los Angeles County
APN: 8718032005

Home facts updated by county records on Oct 7, 2026

Around this home

Schools

K - 12
Preschool & daycare

Armstrong Elementary School

Public K-6 • Assigned • 0.1mi

5/10

Lorbeer Middle School

Public 7-8 • Assigned • 0.5mi

5/10

Diamond Ranch High School

Public 9-12 • Assigned • 2.2mi

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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

7/10 Heat Factor

7 days above 98° expected this year, 20 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

$900,000 – $1.09M

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Nearby similar homes

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New listings for sale in 91765

OPEN SAT

$1,249,000

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0.38 acre lot • 2 garage spots • Community pool

COMING SOON

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6 beds9 baths10,352 sq ft

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Breathtaking views • Exceptional privacy • Resort style living

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LISTED BY REDFINVIDEO TOUR

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7 beds7.5 baths7,660 sq ft

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Gated community • German-style manor • Architectural gem

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22761 Lakeway #414, Diamond Bar, CA 91765

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$800,000

3 beds3 baths1,720 sq ft

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$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

3D WALKTHROUGH

$1,150,000

5 beds3 baths2,204 sq ft

23917 Decorah, Diamond Bar, CA 91765

Solar system • Spacious backyard • Charming gazebo

Home values near 259 S Rock River Rd

Data from public records.

Address	Redfin Estimate
285 S Rock River Road, Diamond Bar, CA 5 Beds \| 2 Baths \| 1848 Sq. Ft.	$921,300
267 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$864,405
289 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$863,849
233 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1500 Sq. Ft.	$861,326
215 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$826,490
236 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$879,039
256 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$748,372

Address	Redfin Estimate
279 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$844,615
253 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$757,193
293 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1322 Sq. Ft.	$864,424
227 S Rock River Road, Diamond Bar, CA 5 Beds \| - Baths \| 1848 Sq. Ft.	$933,254
220 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$770,329
244 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$639,772
262 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$689,092

Address	Redfin Estimate
273 S Rock River Road, Diamond Bar, CA 5 Beds \| 2 Baths \| 1848 Sq. Ft.	$911,011
245 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$836,304
239 N Rock River Drive, Diamond Bar, CA 5 Beds \| 2 Baths \| 1848 Sq. Ft.	$913,913
221 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$870,224
228 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1258 Sq. Ft.	$719,392
250 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$869,127
270 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1465 Sq. Ft.	$834,398

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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 259 S Rock River Rd

Tax history for 259 S Rock River Rd

Zoning

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 259 S Rock River Rd

More real estate resources