348 S ROCK RIVER Rd, Diamond Bar, CA 91765

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Off market apr 2010 for $345K

$830,437

Est. refi paymentEst. refi $1,129/mo

•

1,369

sq ft

348 S ROCK RIVER Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1973Year Built

8,360 sq ftLot Size

$607Est. Price/Sq.Ft.

2 car garageParking

Listed by Jung Joon Lee •DRE #01741137 • Sunny Hills Real Estate, Inc.

Listed by Yoomi Won •DRE #01500113 • Sunny Hills Real Estate, Inc.

Bought with Shawn Luong •DRE #00857818 • CENTURY 21 MASTERS

Redfin checked: 2 minutes ago

•Source:CRMLS #P727946

Redfin Estimate

$830,437

$485K since sold in April 2010$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.5% lower than the average sale price ($870K) of 6 comparable homes.

SOLD MAY 27, 2026
$900,000
A
3 beds2 baths1,553 sq ft
312 N Prospectors, Diamond Bar, CA 91765
SOLD FEB 18, 2026
$951,000
B
3 beds2 baths1,544 sq ft
845 Great Bend Dr, Diamond Bar, CA 91765
SOLD OCT 8, 2026
$755,000
C
4 beds2 baths1,386 sq ft
22928 Beaverhead Dr, Diamond Bar, CA 91765
SOLD JUN 9, 2026
$891,000
D
4 beds2 baths1,577 sq ft
353 S Rock River Rd, Diamond Bar, CA 91765
SOLD SEP 2, 2026
$825,000
E
4 beds2 baths1,489 sq ft
105 N Palo Cedro, 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

$620,357

Est. take-home

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Refinance

Est. cash available

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Rent

$3,074/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 348 S ROCK RIVER Rd

Date

Event

Price

CRMLS #P727946

Apr 20, 2010

Sold

$345,000

$252/sq ft

Apr 16, 2010

Pending

—

Apr 9, 2010

Price Changed

$339,000

$248/sq ft

Apr 2, 2010

Price Changed

$349,900

$256/sq ft

Mar 29, 2010

Price Changed

$359,000

$262/sq ft

Mar 26, 2010

Listed

$379,000

$277/sq ft

CRMLS #H09127281

Dec 3, 2009

Listed

$350,000

$256/sq ft

Public Records

Oct 3, 1996

Sold

$141,500

$103/sq ft

Public Records

Apr 2, 1987

Sold

$109,000

$80/sq ft

Public Records

Mar 10, 1983

Sold

$92,000

$67/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,475 (+9.4%)

$363,385 + $90,840

$454,225

2024

$5,918 (+2.8%)

$356,260 + $89,059

$445,319

2023

$5,757 (+2.5%)

$349,275 + $87,313

$436,588

2022

$5,617 (+2.3%)

$342,427 + $85,601

$428,028

2021

$5,493 (+0.3%)

$335,713 + $83,923

$419,636

2020

$5,474 (−2.4%)

$329,131 + $82,278

$411,409

2019

$5,608 (+8.2%)

$325,757 + $81,435

$407,192

2018

$5,184 (+1.8%)

$319,370 + $79,839

$399,209

2017

$5,094 (+4.6%)

$306,969 + $76,740

$383,709

2016

$4,869 (+0.8%)

$306,969 + $76,740

$383,709

2015

$4,828 (+0.7%)

$300,950 + $75,236

$376,186

2014

$4,796 (+0.6%)

$290,624 + $72,655

$363,279

2012

$4,767 (+3.1%)

$289,311 + $72,327

$361,638

2011

$4,624 (+84.8%)

$283,639 + $70,909

$354,548

2010

$2,501 (+2.9%)

$278,078 + $69,519

$347,597

2009

$2,431 (+5.1%)

$106,737 + $71,788

$178,525

2008

$2,314

$106,991 + $71,959

$178,950

Tax history for 348 S ROCK RIVER Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,475 (+9.4%)

$363,385 + $90,840

$454,225

2024

$5,918 (+2.8%)

$356,260 + $89,059

$445,319

2023

$5,757 (+2.5%)

$349,275 + $87,313

$436,588

2022

$5,617 (+2.3%)

$342,427 + $85,601

$428,028

2021

$5,493 (+0.3%)

$335,713 + $83,923

$419,636

2020

$5,474 (−2.4%)

$329,131 + $82,278

$411,409

2019

$5,608 (+8.2%)

$325,757 + $81,435

$407,192

2018

$5,184 (+1.8%)

$319,370 + $79,839

$399,209

2017

$5,094 (+4.6%)

$306,969 + $76,740

$383,709

2016

$4,869 (+0.8%)

$306,969 + $76,740

$383,709

2015

$4,828 (+0.7%)

$300,950 + $75,236

$376,186

2014

$4,796 (+0.6%)

$290,624 + $72,655

$363,279

2012

$4,767 (+3.1%)

$289,311 + $72,327

$361,638

2011

$4,624 (+84.8%)

$283,639 + $70,909

$354,548

2010

$2,501 (+2.9%)

$278,078 + $69,519

$347,597

2009

$2,431 (+5.1%)

$106,737 + $71,788

$178,525

2008

$2,314

$106,991 + $71,959

$178,950

*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

8,665 Sq. Ft.

Year renovated

1973

Sq. Ft.

1,369

Year built

1973

Style

Single Family Residential

County

Los Angeles County

APN

8718034024

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
Driveway
Has Parking

Interior

Laundry Information
In Garage

Kitchen Information
Has Appliances

Bathroom Information
# of Baths (Full): 1
# of Baths (3/4): 1

Cooling Information
Central
Has Cooling

Room Information
Living Room

Fireplace Information
Electric, Living Room, Wood
Has Fireplace

Flooring Information
Laminated, Carpet, Tile

Heating Information
Forced Air
Has Heating

Interior Features
Levels: One

Exterior

Exterior Information
Roof: Concrete, Tile
Construction Materials: Stucco, Wood

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8718034024

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

School Information
High School District: Pomona Unified

Location Information
Latitude: 34.01821100
Longitude: -117.81755500
Other Subdivision Name: +
Directions: S. Prospectors Rd. & Rock River Rd.
Subdivision Name: OTHR

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,369
Stories: —
Lot Size: 8,665 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1973
County: Los Angeles County
APN: 8718034024

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 22
Continuous Days Active in MLS: 22

Listing Agent Information
List Agent First Name: Jung
List Agent Last Name: Lee
Co-List Agent First Name: Yoomi
Co-List Agent Last Name: Won

Listing Office Information
List Office Name: Century 21 Sunny Hills
Co-List Office Name: Century 21 Sunny Hills

Selling Agent Information
Buyer Agent First Name: SHAWN
Buyer Agent Last Name: LUONG

Selling Office Information
Buyer Office Name: CENTURY 21 MASTERS

Around this home

Schools

K - 12
Preschool & daycare

Armstrong Elementary School

Public K-6 • Assigned • 0.2mi

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

6/10 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

$789,000 – $956,000

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Golden Nest Realty Group

Home values near 348 S ROCK RIVER Rd

Data from public records.

Address	Redfin Estimate
371 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1694 Sq. Ft.	$891,553
353 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$1,045,748
335 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1680 Sq. Ft.	$908,976
318 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1577 Sq. Ft.	$911,313
336 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1349 Sq. Ft.	$849,915
360 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1753 Sq. Ft.	$963,678
378 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1280 Sq. Ft.	$820,666

Address	Redfin Estimate
365 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$890,393
347 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1322 Sq. Ft.	$823,751
329 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1476 Sq. Ft.	$848,248
324 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 2065 Sq. Ft.	$941,995
342 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$852,820
366 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1369 Sq. Ft.	$826,170
384 South Rock River Rd, Diamond Bar, CA 5 Beds \| 2 Baths \| 1629 Sq. Ft.	$774,707

Address	Redfin Estimate
359 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1369 Sq. Ft.	$784,596
341 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1384 Sq. Ft.	$829,182
323 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1577 Sq. Ft.	$868,562
330 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1840 Sq. Ft.	$967,613
354 South Rock River Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1280 Sq. Ft.	$831,389
372 South Rock River Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1610 Sq. Ft.	$803,421
304 Eagle Nest Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1391 Sq. Ft.	$933,848

Property information provided by CRMLS when last listed in 2010. 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 348 S ROCK RIVER Rd

Tax history for 348 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 348 S ROCK RIVER Rd

More real estate resources