21245 Running Branch Rd, Diamond Bar, CA 91765

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Off Market Sep 2015 for $750K

$1,274,810

Est. refi paymentEst. refi $4,380/mo

•

2,192

sq ft

21245 Running Branch Rd, Diamond Bar, CA 91765

About this home

View! View! View! 180 Degree Amazing Valuable View in the Back Yard! Award Winning School District. Single Story Home with 4 Bedrooms and 2 Bathrooms. Mediterranean Front Yard. Gate Entry to the Double Panel Door Charming Home. High Cathedral Ceiling, Open Floor Plan with Bright Light Living Room Space. Family Room and Eat-In Kitchen Area has Night Beautiful City Light View. 2007 Remodeled includes: Granite Counter Top in Kitchen and Bathroom, Newly Kitchen Cabinet, Tile Floor in Kitchen Area, Bamboo Wood Flooring in Family Room and Hallway, Windows and Sliding Door all upgrade like New. All Bedrooms have Comfort Carpet and Bright Light. Spacious Master Suite has Dual Vanities, Desirable Tile Shower Tub, Separate 2 Closet and Double Sliding Doors Access to Back yard with Morning Breezing and Canyon View. Soothing Patio, SPA and Several Fruit Trees located in Natural Private Back Yard. Easy to take care of! You have To see this Valuable View Home! Seller is Very Motivated!

Single-familyProperty Type

1979Year Built

0.27 acresLot Size

$582Est. Price/Sq.Ft.

3 car garageParking

Listed by NAN HUANG •DRE #01765530 • CENTURY 21 E N REALT

Bought with Brian Lee •DRE #01047596 • Coldwell Banker Best Realty

Redfin checked: 4 minutes ago

•Source:CRMLS #TR15076810

Redfin Estimate

$1,274,810

$525K since sold in September 2015$3,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.4% lower than the average sale price ($1.36M) 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 6, 2026
$1,330,000
B
4 beds3 baths2,302 sq ft
21307 Chirping Sparrow Rd, Diamond Bar, CA 91765
SOLD MAY 28, 2026
$1,505,000
C
4 beds3 baths2,712 sq ft
3249 Hawkwood Rd, Diamond Bar, CA 91765
SOLD JAN 16, 2026
$1,518,888
D
4 beds2.5 baths2,397 sq ft
21187 Ambushers, Diamond Bar, CA 91765
SOLD AUG 19, 2026
$1,238,888
E
4 beds2 baths2,000 sq ft
20995 Glenbrook Dr, Diamond Bar, CA 91789
SOLD MAR 25, 2026
$1,250,000
F
4 beds3 baths2,380 sq ft
3396 Hawkwood, Diamond Bar, CA 91765

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Earn from this home

Sell

$748,668

Est. take-home

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Refinance

Est. cash available

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Rent

$3,614/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

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OPEN SUN, 1PM TO 3PM
$1,199,999
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OPEN SUN, 1AM TO 3PM
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OPEN SUN, 1PM TO 4PM
$538,000
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4 beds2.5 baths1,893 sq ft
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OPEN SUN, 1PM TO 4PM
$1,150,000
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See all

Provided by Redfin

Sale history for 21245 Running Branch Rd

Date

Event

Price

CRMLS #TR15076810

Sep 9, 2015

Sold

$750,000

$342/sq ft

Aug 31, 2015

Pending

—

Jul 14, 2015

Contingent

—

Apr 13, 2015

Listed

$789,000

$360/sq ft

Public Records

Jun 8, 2007

Sold

$723,000

$330/sq ft

CRMLS #H07051024

Jun 22, 2007

Sold

$725,000

$331/sq ft

May 10, 2007

Listing Removed

—

Apr 8, 2007

Listed

$750,000

$342/sq ft

Public Records

Nov 23, 2004

Sold

$588,000

$268/sq ft

Public Records

Aug 27, 1996

Sold

$256,000

$117/sq ft

Public Records

Jun 17, 1994

Sold

$248,000

$113/sq ft

Public Records

Apr 3, 1985

Sold

$157,500

$72/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$11,784 (+5.1%)

$546,820 + $376,102

$922,922

2024

$11,215 (+2.4%)

$546,820 + $376,102

$922,922

2023

$10,948 (+2.1%)

$536,099 + $368,728

$904,827

2022

$10,722 (+1.9%)

$525,588 + $361,499

$887,087

2021

$10,527 (+1.7%)

$515,283 + $354,411

$869,694

2020

$10,348 (+2.0%)

$511,059 + $344,616

$855,675

2019

$10,149 (+4.5%)

$505,819 + $341,083

$846,902

2018

$9,711 (+9.2%)

$495,901 + $334,396

$830,297

2017

$8,891 (+3.0%)

$476,646 + $288,354

$765,000

2016

$8,633 (+2.7%)

$476,646 + $288,354

$765,000

2015

$8,410 (+3.5%)

$467,300 + $282,700

$750,000

2014

$8,122 (+24.6%)

$467,700 + $206,400

$674,100

2012

$6,517 (−5.4%)

$383,000 + $169,000

$552,000

2011

$6,887 (+12.4%)

$365,200 + $161,500

$526,700

2010

$6,127 (−13.7%)

$391,700 + $173,200

$564,900

2009

$7,101 (−13.8%)

$346,000 + $153,000

$499,000

2008

$8,238

$406,400 + $180,300

$586,700

Tax history for 21245 Running Branch Rd

Year

Property tax

Land + Additions

Assessment*

2025

$11,784 (+5.1%)

$546,820 + $376,102

$922,922

2024

$11,215 (+2.4%)

$546,820 + $376,102

$922,922

2023

$10,948 (+2.1%)

$536,099 + $368,728

$904,827

2022

$10,722 (+1.9%)

$525,588 + $361,499

$887,087

2021

$10,527 (+1.7%)

$515,283 + $354,411

$869,694

2020

$10,348 (+2.0%)

$511,059 + $344,616

$855,675

2019

$10,149 (+4.5%)

$505,819 + $341,083

$846,902

2018

$9,711 (+9.2%)

$495,901 + $334,396

$830,297

2017

$8,891 (+3.0%)

$476,646 + $288,354

$765,000

2016

$8,633 (+2.7%)

$476,646 + $288,354

$765,000

2015

$8,410 (+3.5%)

$467,300 + $282,700

$750,000

2014

$8,122 (+24.6%)

$467,700 + $206,400

$674,100

2012

$6,517 (−5.4%)

$383,000 + $169,000

$552,000

2011

$6,887 (+12.4%)

$365,200 + $161,500

$526,700

2010

$6,127 (−13.7%)

$391,700 + $173,200

$564,900

2009

$7,101 (−13.8%)

$346,000 + $153,000

$499,000

2008

$8,238

$406,400 + $180,300

$586,700

*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

11,869

Year renovated

1981

Sq. Ft.

2,192

Year built

1979

Style

Single Family Residential

County

Los Angeles County

APN

8714011039

Parking Spaces

Basement

Accessible

Yes

HOA Dues

—

Garage

Yes

Features

Views

Last updated by owner on Jan 20, 2021.

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
Attached Garage
# of Garage Spaces: 3
Driveway, Garage - Front Entry, Garage Door Opener, Garage - Three Door
Has Parking
# of Parking Spaces: 3

Interior

Laundry Information
Has Laundry
Gas Dryer Hookup, In Garage

Kitchen Information
Appliances: Dishwasher, Garbage Disposal, Gas Oven, Gas Range, Gas Cooktop, Gas Water Heater
Has Appliances
Area, Breakfast Nook, Dining Ell, Family Kitchen, In Family Room

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Down, Entry, Family Room, Formal Entry, Living Room, Primary Bedroom, Main Floor Bedroom, Main Floor Primary Bedroom

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Vinyl, Wood

Heating Information
Central Furnace
Has Heating

Interior Features
Double Door Entry
Beamed Ceilings, Cathedral-Vaulted Ceilings, Granite Counters, High Ceilings (9 Feet+), Open Floor Plan, Phone System, Pantry, Tile Counters, Unfurnished
Levels: One
Security Features: Fire and Smoke Detection System, Smoke Detector
Spa Features: In Ground
Has Spa
Window Features: Blinds, Drapes/Curtains, Double Pane Windows

Exterior

Exterior Information
Roof: Tile
Fencing: Brick Wall
Has Fence

Exterior Features
Patio And Porch Features: Wood
Has Patio
Pool Features: None
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard, Garden, Lawn, Landscaped, Lot 10000-19999 Sqft, Patio Home, Sprinklers In Front, Sprinklers In Rear, Sprinklers Timer, Sprinkler System, Walkstreet, Yard

Property Information
Total # of Units: 2
Accessibility Features: 2+ Access Exits
Common Walls: No Common Walls
Direction Faces: Southeast
Living Area Source: Assessor's Data
Parcel Number: 8714011039
Has View
Year Built Source: Assessor

Utilities

Utilities Information
Sewer: Sewer Paid
Electricity Available, Natural Gas Available, Telephone - In Street, Water Connected
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 2

Neighborhood Information
Community Features: Sidewalks

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96403100
Longitude: -117.84348200

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,192
Stories: —
Parking Spaces: 3
Basement: No
Accessible: Yes
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1981
County: Los Angeles County
APN: 8714011039
HOA Dues: —
Garage: Yes
Features: Views

Home facts updated by owner on Jan 20, 2021

Other

Listing Information
Days Active in MLS: 141
Continuous Days Active in MLS: 141

Listing Agent Information
List Agent First Name: Nan
List Agent Last Name: Huang

Listing Office Information
List Office Name: Century 21 Care

Selling Agent Information
Buyer Agent First Name: Brian
Buyer Agent Last Name: Lee

Selling Office Information
Buyer Office Name: Coldwell Banker Best Realty

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.6mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.9mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.2mi

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

5 days above 98° expected this year, 15 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

$1.23M – $1.48M

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Home values near 21245 Running Branch Rd

Data from public records.

Address	Redfin Estimate
21333 Running Branch Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,317,895
21271 Running Branch Rd, Diamond Bar, CA 6 Beds \| 3 Baths \| 3493 Sq. Ft.	$1,404,511

Address	Redfin Estimate
21317 Running Branch Rd, Diamond Bar, CA 5 Beds \| 3 Baths \| 3000 Sq. Ft.	$1,521,815
21255 Running Branch Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 2800 Sq. Ft.	$1,336,000

Address	Redfin Estimate
21299 Running Branch Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 2037 Sq. Ft.	$1,251,788
21233 Running Branch Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 2695 Sq. Ft.	$1,601,548

Property information provided by CRMLS when last listed in 2015. This data may not show owner updates. Learn more.

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