402 S Rock River Rd, Diamond Bar, CA 91765

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Off market oct 2011 for $340K

$692,685

Est. refi paymentEst. refi $2,515/mo

•

1,280

sq ft

402 S Rock River Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1973Year Built

9,120 sq ftLot Size

$541Est. Price/Sq.Ft.

2 car garageParking

Listed by ED LAYUG •DRE #1469095 • ALLSTARS REALTY

Bought with Ruth Parsons •DRE #01783049 • Coldwell Banker Envision

Redfin checked: 2 minutes ago

•Source:CRMLS #I10096193

Redfin Estimate

$692,685

$353K since sold in October 2011$19K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 28.4% lower than the average sale price ($967K) of 6 comparable homes.

SOLD OCT 8, 2026
$755,000
A
4 beds2 baths1,386 sq ft
22928 Beaverhead Dr, Diamond Bar, CA 91765
SOLD JUN 9, 2026
$891,000
B
4 beds2 baths1,577 sq ft
353 S Rock River Rd, Diamond Bar, CA 91765
SOLD SEP 2, 2026
$825,000
C
4 beds2 baths1,489 sq ft
105 N Palo Cedro, Diamond Bar, CA 91765
SOLD MAR 31, 2026
$960,000
D
4 beds2 baths1,554 sq ft
23426 Clayhorn Dr, Diamond Bar, CA 91765
SOLD MAY 22, 2026
$1,240,000
E
4 beds2 baths1,708 sq ft
624 Great Bend Dr, Diamond Bar, CA 91765
BOUGHT WITH REDFIN SEP 11, 2026
$1,130,000
F
4 beds2 baths1,704 sq ft
23819 Country Vw, Diamond Bar, CA 91765

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Earn from this home

Sell

$480,065

Est. take-home

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Refinance

Est. cash available

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Rent

$2,995/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 402 S Rock River Rd

Date

Event

Price

CRMLS #I10096193

Oct 20, 2011

Sold

$340,000

$266/sq ft

Jul 27, 2011

Pending

—

Jul 13, 2011

Price Changed

$319,900

$250/sq ft

Jul 13, 2011

Price Changed

$340,000

$266/sq ft

Jul 13, 2011

Relisted

—

May 31, 2011

Pending

—

Apr 9, 2011

Relisted

—

Mar 30, 2011

Price Changed

$319,900

$250/sq ft

Mar 21, 2011

Delisted

—

Mar 15, 2011

Pending

—

Mar 8, 2011

Price Changed

$300,000

$234/sq ft

Sep 8, 2010

Listed

$319,900

$250/sq ft

CRMLS #H08015213

Jul 3, 2008

Sold

$375,000

$293/sq ft

Apr 4, 2008

Listing Removed

—

Mar 11, 2008

Price Changed

$419,900

$328/sq ft

Feb 1, 2008

Listed

$435,000

$340/sq ft

CRMLS #H613785

Jan 11, 2007

Listing Removed

—

Oct 2, 2006

Listed

$499,999

$391/sq ft

CRMLS #H610310

Oct 2, 2006

Listing Removed

—

Jul 26, 2006

Listed

$499,999

$391/sq ft

CRMLS #H605989

Jul 26, 2006

Listing Removed

—

May 6, 2006

Listed

$530,000

$414/sq ft

Public Records

Apr 27, 1994

Sold

$137,500

$107/sq ft

Public Records

Dec 2, 1976

Sold

$38,500

$30/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,225 (+9.0%)

$276,342 + $159,244

$435,586

2024

$5,709 (+2.8%)

$270,924 + $156,122

$427,046

2023

$5,553 (+2.5%)

$265,612 + $153,061

$418,673

2022

$5,417 (+2.2%)

$260,404 + $150,060

$410,464

2021

$5,298 (+0.3%)

$255,299 + $147,118

$402,417

2020

$5,279 (−2.4%)

$250,294 + $144,234

$394,528

2019

$5,408 (+8.4%)

$247,728 + $142,756

$390,484

2018

$4,990 (+1.8%)

$242,871 + $139,957

$382,828

2017

$4,903 (+4.6%)

$233,441 + $134,523

$367,964

2016

$4,688 (+0.8%)

$233,441 + $134,523

$367,964

2015

$4,649 (+0.7%)

$228,864 + $131,886

$360,750

2014

$4,618 (+0.6%)

$221,012 + $127,361

$348,373

2012

$4,590 (−7.8%)

$220,014 + $126,786

$346,800

2011

$4,977 (+0.6%)

$215,700 + $124,300

$340,000

2010

$4,947 (+2.7%)

$175,899 + $201,028

$376,927

2009

$4,818 (−25.4%)

$174,585 + $199,526

$374,111

2008

$6,460

$175,000 + $200,000

$375,000

Tax history for 402 S Rock River Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,225 (+9.0%)

$276,342 + $159,244

$435,586

2024

$5,709 (+2.8%)

$270,924 + $156,122

$427,046

2023

$5,553 (+2.5%)

$265,612 + $153,061

$418,673

2022

$5,417 (+2.2%)

$260,404 + $150,060

$410,464

2021

$5,298 (+0.3%)

$255,299 + $147,118

$402,417

2020

$5,279 (−2.4%)

$250,294 + $144,234

$394,528

2019

$5,408 (+8.4%)

$247,728 + $142,756

$390,484

2018

$4,990 (+1.8%)

$242,871 + $139,957

$382,828

2017

$4,903 (+4.6%)

$233,441 + $134,523

$367,964

2016

$4,688 (+0.8%)

$233,441 + $134,523

$367,964

2015

$4,649 (+0.7%)

$228,864 + $131,886

$360,750

2014

$4,618 (+0.6%)

$221,012 + $127,361

$348,373

2012

$4,590 (−7.8%)

$220,014 + $126,786

$346,800

2011

$4,977 (+0.6%)

$215,700 + $124,300

$340,000

2010

$4,947 (+2.7%)

$175,899 + $201,028

$376,927

2009

$4,818 (−25.4%)

$174,585 + $199,526

$374,111

2008

$6,460

$175,000 + $200,000

$375,000

*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

9,078 Sq. Ft.

Year renovated

1973

Sq. Ft.

1,280

Year built

1973

Style

Single Family Residential

County

Los Angeles County

APN

8718034031

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
Carport Attached
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
In Garage

Kitchen Information
Appliances: Dishwasher, Range
Has Appliances
Family Kitchen

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Wood

Heating Information
Forced Air
Has Heating

Interior Features
Levels: One

Exterior

Exterior Information
Roof: Tile
Fencing: Blockwall, Vinyl
Has Fence
Construction Materials: Stucco

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

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Lawn

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8718034031
Property Condition: Turnkey

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Water Source: District/Public

Location

School Information
High School District: Pomona Unified

Location Information
Latitude: 34.01713600
Longitude: -117.81846100

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,280
Stories: —
Lot Size: 9,078 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1973
County: Los Angeles County
APN: 8718034031

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 298
Continuous Days Active in MLS: 298

Listing Agent Information
List Agent First Name: ED
List Agent Last Name: LAYUG

Listing Office Information
List Office Name: COLDWELL BANKER ALLSTARS

Selling Agent Information
Buyer Agent First Name: Ruth
Buyer Agent Last Name: Parsons

Selling Office Information
Buyer Office Name: Tarbell Realtors, Chino

Around this home

Schools

K - 12
Preschool & daycare

Armstrong Elementary School

Public K-6 • Assigned • 0.3mi

5/10

Lorbeer Middle School

Public 7-8 • Assigned • 0.5mi

5/10

Diamond Ranch High School

Public 9-12 • Assigned • 2.3mi

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

$659,000 – $797,000

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Home values near 402 S Rock River Rd

Data from public records.

Address	Redfin Estimate
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
421 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$863,559
371 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1694 Sq. Ft.	$891,553
354 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1280 Sq. Ft.	$831,389
372 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1610 Sq. Ft.	$803,421
408 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1322 Sq. Ft.	$870,917

Address	Redfin Estimate
430 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$841,133
414 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1740 Sq. Ft.	$819,837
427 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1440 Sq. Ft.	$863,188
365 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$890,393
360 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1753 Sq. Ft.	$963,327
378 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1280 Sq. Ft.	$820,666
367 Eagle Nest Drive, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$897,368

Address	Redfin Estimate
424 S Rock River Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$933,164
415 S Rock River Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 2440 Sq. Ft.	$1,033,941
433 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1541 Sq. Ft.	$853,750
359 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1369 Sq. Ft.	$784,596
366 S Rock River Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1369 Sq. Ft.	$826,170
384 S Rock River Road, Diamond Bar, CA 5 Beds \| 2 Baths \| 1629 Sq. Ft.	$774,707
363 Eagle Nest Drive, Diamond Bar, CA 4 Beds \| 2 Baths \| 1726 Sq. Ft.	$926,990

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About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Sale history for 402 S Rock River Rd

Tax history for 402 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 402 S Rock River Rd

More real estate resources