21466 Running Branch Rd, Diamond Bar, CA 91765

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Off Market May 2016 for $868K

$1,417,367

Est. refi paymentEst. refi $5,187/mo

•

2,037

sq ft

21466 Running Branch Rd, Diamond Bar, CA 91765

About this home

Newly remodeled spacious house located in the prestigious Diamond Ridge and renowned south Diamond Bar/Walnut school district with a large lot, a pool/spa and a patio! Resort style design features single level with exterior gated front entry and double front door. Interior includes recessed lights throughout the house, brand new dual pane windows, wood floors, cathedral ceiling in the entry, fireplaces in the dining area and formal living room. Customized designed kitchen is equipped with brand new Kitchen Aid appliances and glossy white flat panel cabinets with glass door. The breakfast nook is looking at the garden. Family room with extended sliding door gives a wonderful view to the backyard. Master suite features double door entry, high ceiling with French door access to the pool/spa, walk-in closet and fabulous step-down tiled tub/shower in the master bath. The three-car garage has brand new Epoxy coating floors and the wide driveway allows additional three cars parking on the property. Brand new electrical panel, central A/C and heater and pool equipment and much more! Must see!

Single-familyProperty Type

1979Year Built

0.37 acresLot Size

$696Est. Price/Sq.Ft.

3 car garageParking

Listed by Aaron Li •DRE #01846873 • My Top Home/ Meiguo Rty

Bought with Aaron Li •DRE #01846873 • My Top Home/ Meiguo Rty

Redfin checked: a minute ago

•Source:CRMLS #TR16082334

Redfin Estimate

$1,417,367

$549K since sold in May 2016$0 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.6% higher than the average sale price ($1.29M) of 6 comparable homes.

SOLD MAY 14, 2026
$1,330,000
A
4 beds3 baths2,037 sq ft
3357 Bent Twig, Diamond Bar, CA 91765
SOLD FEB 26, 2026
$1,180,000
B
3 beds2 baths1,752 sq ft
21465 Running Br, Diamond Bar, CA 91765
SOLD FEB 6, 2026
$1,330,000
C
4 beds3 baths2,302 sq ft
21307 Chirping Sparrow Rd, Diamond Bar, CA 91765
SOLD MAR 25, 2026
$1,250,000
D
4 beds3 baths2,380 sq ft
3396 Hawkwood, Diamond Bar, CA 91765
SOLD MAY 28, 2026
$1,505,000
E
4 beds3 baths2,712 sq ft
3249 Hawkwood Rd, Diamond Bar, CA 91765
SOLD AUG 10, 2026
$1,163,000
F
4 beds2 baths1,780 sq ft
1934 Ano Nuevo, Diamond Bar, CA 91765
Pinnacle Real Estate Group

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Sell

$799,505

Est. take-home

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Refinance

Est. cash available

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Rent

$3,455/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.1%

0.2% MoM

Median sale price

$1.1M

$48K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

108

17 MoM

New listings for sale

COMING SOON
$585,000
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1109 Golden Springs Dr Unit D, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 5PM
$1,648,000
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3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
$5,380,000
6 beds7 baths9,038 sq ft
2828 Water Course Dr, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 3PM
$1,199,999
4 beds2.5 baths1,915 sq ft
23308 Quail Smt, Diamond Bar, CA 91765
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, Diamond Bar, CA 91765
OPEN SUN, 1AM TO 3PM
$1,690,000
4 beds3 baths2,587 sq ft
1515 Sunbluff Dr, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$538,000
3 beds2 baths1,047 sq ft
800 Grand Ave Unit D1, Diamond Bar, CA 91765
$1,070,000
4 beds2.5 baths1,893 sq ft
24126 Silver Spray, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
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1030 Golden Springs Dr Unit B, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21466 Running Branch Rd

Date

Event

Price

CRMLS #TR16082334

May 9, 2016

Sold

$868,000

$426/sq ft

Apr 26, 2016

Contingent

—

Apr 20, 2016

Listed

$880,999

$432/sq ft

Public Records

Dec 18, 2015

Sold

$680,000

$334/sq ft

CRMLS #TR15208030

Dec 21, 2015

Listing Removed

—

Dec 18, 2015

Sold

$680,000

$334/sq ft

Nov 13, 2015

Pending

—

Oct 27, 2015

Price Changed

$718,888

$353/sq ft

Sep 21, 2015

Listed

$749,000

$368/sq ft

Beautiful home located in Prestigious Diamond Ridge. Features single level design with exterior gated front entry and double doors. Interior includes impressive tiled entry, cathedral type ceilings, formal living room with fireplace, formal dining room, family room with fireplace. Spacious kitchen includes newer dishwasher and eating area. Master suite features vaulted type ceilings and fabulous step-down tiled tub/shower. Bedroom 4 located near front entry converted (with permits) to den with wet bar. Lush landscape, sparkling pool/spa and patio. Newer central air conditioner and newer water heater. Three car garage(new sectional garage doors to be installed) and concrete shake roof (Builder description). Located in Walnut School District.

Year

Property tax

Land + Additions

Assessment*

2025

$12,964 (+4.6%)

$511,515 + $516,014

$1,027,529

2024

$12,389 (+2.5%)

$511,515 + $516,014

$1,027,529

2023

$12,091 (+2.1%)

$501,486 + $505,897

$1,007,383

2022

$11,843 (+1.8%)

$491,653 + $495,978

$987,631

2021

$11,628 (+1.3%)

$482,013 + $486,253

$968,266

2020

$11,481 (+2.0%)

$472,562 + $476,719

$949,281

2019

$11,261 (+4.2%)

$467,717 + $471,831

$939,548

2018

$10,809 (+4.8%)

$458,547 + $462,580

$921,127

2017

$10,310 (+29.5%)

$440,742 + $444,618

$885,360

2016

$7,962 (+112.9%)

$440,742 + $444,618

$885,360

2015

$3,740 (−0.3%)

$459,500 + $220,500

$680,000

2014

$3,751 (+1.3%)

$62,516 + $226,468

$288,984

2012

$3,703 (+2.9%)

$62,234 + $225,445

$287,679

2011

$3,597 (+0.8%)

$61,014 + $221,025

$282,039

2010

$3,567 (+0.6%)

$59,818 + $216,692

$276,510

2009

$3,547 (+2.9%)

$59,371 + $215,073

$274,444

2008

$3,448

$59,513 + $215,584

$275,097

Tax history for 21466 Running Branch Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,964 (+4.6%)

$511,515 + $516,014

$1,027,529

2024

$12,389 (+2.5%)

$511,515 + $516,014

$1,027,529

2023

$12,091 (+2.1%)

$501,486 + $505,897

$1,007,383

2022

$11,843 (+1.8%)

$491,653 + $495,978

$987,631

2021

$11,628 (+1.3%)

$482,013 + $486,253

$968,266

2020

$11,481 (+2.0%)

$472,562 + $476,719

$949,281

2019

$11,261 (+4.2%)

$467,717 + $471,831

$939,548

2018

$10,809 (+4.8%)

$458,547 + $462,580

$921,127

2017

$10,310 (+29.5%)

$440,742 + $444,618

$885,360

2016

$7,962 (+112.9%)

$440,742 + $444,618

$885,360

2015

$3,740 (−0.3%)

$459,500 + $220,500

$680,000

2014

$3,751 (+1.3%)

$62,516 + $226,468

$288,984

2012

$3,703 (+2.9%)

$62,234 + $225,445

$287,679

2011

$3,597 (+0.8%)

$61,014 + $221,025

$282,039

2010

$3,567 (+0.6%)

$59,818 + $216,692

$276,510

2009

$3,547 (+2.9%)

$59,371 + $215,073

$274,444

2008

$3,448

$59,513 + $215,584

$275,097

*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

0.37 Acres

Year renovated

1979

Sq. Ft.

2,037

Year built

1979

Style

Single Family Residential

County

Los Angeles County

APN

8714021011

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 2026.

Low Density Residential District

The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
# of Garage Spaces: 3
# of Parking Spaces: 3

Interior

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Down, Family Room, Living Room, Primary Bedroom

Fireplace Information
Family Room, Living Room
Has Fireplace

Interior Features
Levels: One

Exterior

Exterior Features
Pool Features: In Ground, Private
Has Pool

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard, Lot 10000-19999 Sqft

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8714021011
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer Available
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Street Lighting, Suburban

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96456900
Longitude: -117.84047700

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,037
Stories: —
Lot Size: 0.37 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1979
County: Los Angeles County
APN: 8714021011

Home facts updated by county records on Aug 30, 2026

Other

Listing Information
Days Active in MLS: 20
Continuous Days Active in MLS: 20

Listing Agent Information
List Agent First Name: Aaron
List Agent Last Name: Li

Listing Office Information
List Office Name: My Top Home/ Meiguo Rty

Selling Agent Information
Buyer Agent First Name: Aaron
Buyer Agent Last Name: Li

Selling Office Information
Buyer Office Name: My Top Home/ Meiguo Rty

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.5mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.9mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
2 months ago • Los Angeles County
Peter Santos
Redfin Premier agent
82 deals
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Climate risks

1/10 Flood Factor

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

5/10 Fire Factor

6% chance of being in a wildfire in next 30 years

5/10 Heat Factor

6 days above 98° expected this year, 17 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 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.35M – $1.63M

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Home values near 21466 Running Branch Rd

Data from public records.

Address	Redfin Estimate
21543 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,365,806
21485 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2798 Sq. Ft.	$1,207,668

Address	Redfin Estimate
21521 Running Branch Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1752 Sq. Ft.	$1,069,921
21475 Running Branch Road, Diamond Bar, CA 4 Beds \| - Baths \| 2695 Sq. Ft.	$1,485,599

Address	Redfin Estimate
21509 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2695 Sq. Ft.	$1,428,141
21465 Running Branch Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1752 Sq. Ft.	$1,309,938

Property information provided by CRMLS when last listed in 2016. This data may not match . Learn more.

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