20910 Running Branch Rd, Diamond Bar, CA 91765

Off Market Mar 2021 for $1M

$1,607,996

Est. refi paymentEst. refi $6,747/mo

•

3,032

sq ft

20910 Running Branch Rd, Diamond Bar, CA 91765

About this home

You could be ringing in the new year in this 4-bedroom stunner nestled at the end of a quiet cul-de-sac in sought-after South Diamond Bar. Step inside to be greeted by a foyer with double-height ceilings and a grand staircase that’s flooded with natural light. The main level has a great floorplan throughout most of the space. The living room is at the front and steps up to the big adjacent dining room. The beautiful chef’s kitchen across the back of the home, along with a perfect casual dining spot and the family room. At your housewarming party, everyone will be gathered in the large family room, complete with a fireplace and a fantastic wet bar with a wine fridge! Your guests will be can take drinks out to the covered patio, which offers a view of the rest of your backyard oasis. The pool and spa surrounded by stones, palm trees and the hillside for privacy. Wow!Back inside, head up those showcase stairs to find the fantastic master suite, with a vaulted ceiling and access to a massive private balcony overlooking the backyard. The large ensuite features a double-sink, a separate shower and a walk-in closet. The other bedrooms share a large hallway bath with 2 sinks. Looking for more space? This house also offers a huge BONUS room upstairs with a sink + skylight, that can be converted into a 5th bedroom, office or gym. It's close to shopping, restaurants, entertainment and offers easy access to the 57 and 60 FWY. It is also zoned to the excellent Walnut Valley School District.

Single-familyProperty Type

1983Year Built

0.35 acresLot Size

$530Est. Price/Sq.Ft.

3 car garageParking

Listed by RAYMOND TSAI •DRE #01784303 • KELLER WILLIAMS SIGNATURE RLTY

Bought with Jorge Martinez •DRE #01733097 • Executive Bankers Realty

Redfin checked: a minute ago

•Source:CRMLS #WS20221351

Redfin Estimate

$1,607,996

$518K since sold in March 2021$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.3% higher than the average sale price ($1.45M) of 5 comparable homes.

SOLD JUL 27, 2026
$1,315,000
A
4 beds3 baths2,336 sq ft
3595 Hawkwood, Diamond Bar, CA 91765
SOLD MAY 28, 2026
$1,505,000
B
4 beds3 baths2,712 sq ft
3249 Hawkwood Rd, Diamond Bar, CA 91765
SOLD FEB 6, 2026
$1,396,888
C
4 beds3 baths2,334 sq ft
3628 Hawkwood, Diamond Bar, CA 91765
SOLD MAY 12, 2026
$1,680,000
D
4 beds3 baths2,697 sq ft
21535 Chirping Sparrow, Diamond Bar, CA 91765
SOLD FEB 6, 2026
$1,330,000
E
4 beds3 baths2,302 sq ft
21307 Chirping Sparrow Rd, Diamond Bar, CA 91765

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Earn from this home

Sell

$740,812

Est. take-home

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Refinance

Est. cash available

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Rent

$4,288/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
2 beds2.5 baths1,012 sq ft
1109 Golden Springs Dr Unit D, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 5PM
$1,648,000
4 beds3 baths3,212 sq ft
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
$625,000
3 beds2.5 baths1,420 sq ft
1030 Golden Springs Dr Unit B, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 20910 Running Branch Rd

Date

Event

Price

CRMLS #WS20221351

Mar 15, 2021

Sold

$1,090,000

$359/sq ft

Jan 7, 2021

Pending

—

Dec 14, 2020

Relisted

—

Dec 3, 2020

Contingent

—

Nov 24, 2020

Listed

$1,100,000

$363/sq ft

CRMLS #TR20103973

Jul 24, 2020

Listing Removed

—

Jun 1, 2020

Listed

$1,095,000

$361/sq ft

CRMLS #TR19117062

Oct 5, 2019

Delisted

—

Aug 7, 2019

Price Changed

$1,119,900

$369/sq ft

May 26, 2019

Price Changed

$1,169,999

$386/sq ft

May 19, 2019

Listed

$1,150,000

$379/sq ft

CRMLS #WS15166021

Oct 7, 2015

Sold

$1,150,000

$379/sq ft

Sep 4, 2015

Pending

—

Jul 29, 2015

Listed

$1,198,000

$395/sq ft

Public Records

May 20, 2013

Sold

$898,000

$296/sq ft

CRMLS #TR13043298

May 21, 2013

Sold

$900,000

$297/sq ft

Apr 5, 2013

Pending

—

Mar 28, 2013

Delisted

—

Mar 20, 2013

Price Changed

$888,888

$293/sq ft

Mar 14, 2013

Listed

$850,000

$280/sq ft

Public Records

Jun 15, 1994

Sold

$360,000

$119/sq ft

Public Records

Jun 11, 1991

Sold

$372,000

$123/sq ft

Public Records

Nov 18, 1983

Sold

$219,500

$72/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$15,027 (+6.3%)

$672,514 + $507,334

$1,179,848

2024

$14,134 (+2.8%)

$672,514 + $507,334

$1,179,848

2023

$13,744 (+2.5%)

$659,328 + $497,387

$1,156,715

2022

$13,410 (−11.6%)

$646,400 + $487,635

$1,134,035

2021

$15,169 (+1.3%)

$633,726 + $478,074

$1,111,800

2020

$14,974 (+2.0%)

$546,822 + $710,869

$1,257,691

2019

$14,684 (+3.6%)

$541,216 + $703,580

$1,244,796

2018

$14,174 (+4.9%)

$530,604 + $689,785

$1,220,389

2017

$13,517 (+3.0%)

$510,000 + $663,000

$1,173,000

2016

$13,125 (+21.2%)

$510,000 + $663,000

$1,173,000

2015

$10,833

$500,000 + $650,000

$1,150,000

2014

$10,841 (+77.7%)

$392,775 + $509,301

$902,076

2012

$6,100 (+3.0%)

$141,333 + $355,552

$496,885

2011

$5,924 (+0.8%)

$138,562 + $348,581

$487,143

2010

$5,878 (+0.3%)

$135,846 + $341,747

$477,593

2009

$5,858 (+2.7%)

$134,831 + $339,193

$474,024

2008

$5,701

$135,152 + $339,999

$475,151

Tax history for 20910 Running Branch Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,027 (+6.3%)

$672,514 + $507,334

$1,179,848

2024

$14,134 (+2.8%)

$672,514 + $507,334

$1,179,848

2023

$13,744 (+2.5%)

$659,328 + $497,387

$1,156,715

2022

$13,410 (−11.6%)

$646,400 + $487,635

$1,134,035

2021

$15,169 (+1.3%)

$633,726 + $478,074

$1,111,800

2020

$14,974 (+2.0%)

$546,822 + $710,869

$1,257,691

2019

$14,684 (+3.6%)

$541,216 + $703,580

$1,244,796

2018

$14,174 (+4.9%)

$530,604 + $689,785

$1,220,389

2017

$13,517 (+3.0%)

$510,000 + $663,000

$1,173,000

2016

$13,125 (+21.2%)

$510,000 + $663,000

$1,173,000

2015

$10,833

$500,000 + $650,000

$1,150,000

2014

$10,841 (+77.7%)

$392,775 + $509,301

$902,076

2012

$6,100 (+3.0%)

$141,333 + $355,552

$496,885

2011

$5,924 (+0.8%)

$138,562 + $348,581

$487,143

2010

$5,878 (+0.3%)

$135,846 + $341,747

$477,593

2009

$5,858 (+2.7%)

$134,831 + $339,193

$474,024

2008

$5,701

$135,152 + $339,999

$475,151

*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

0.35 Acres

Year renovated

1983

Sq. Ft.

3,032

Year built

1983

Style

Single Family Residential

County

Los Angeles County

APN

8714019015

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
Attached Garage
# of Garage Spaces: 3
Driveway, Garage, Off Street
Has Parking
# of Parking Spaces: 3

Interior

Laundry Information
Has Laundry
Individual Room, Inside

Kitchen Information
Appliances: Garbage Disposal, Gas & Electric Range, Microwave, Refrigerator, Water Heater Unit
Has Appliances
Separated
Kitchen Island

Bathroom Information
# of Baths (Full): 3
Bathtub, Shower, Shower in Tub, Exhaust fan(s)

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up, Kitchen, Laundry, Living Room, Primary Suite

Fireplace Information
Family Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Balcony, Ceiling Fan
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 0
Spa Features: Private
Has Spa

Exterior

Exterior Information
Structure Type: House

Exterior Features
Pool Features: Private
Has Pool

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Cul-De-Sac, Front Yard

Property Information
Common Interest: Condominium
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8714019015
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

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

Location

Neighborhood Information
Community Features: Suburban

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96094600
Longitude: -117.84745400
Directions: Gold Run Dr & Running Branch

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,032
Stories: —
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8714019015

Home facts updated by county records on Aug 30, 2026

Other

Miscellaneous Information
Exclusions: All funitures, all canvas, TVs.

Listing Information
Days Active in MLS: 7
Continuous Days Active in MLS: 7

Listing Agent Information
List Agent First Name: RAYMOND
List Agent Last Name: TSAI

Listing Office Information
List Office Name: KELLER WILLIAMS SIGNATURE RLTY

Selling Agent Information
Buyer Agent First Name: Jorge
Buyer Agent Last Name: Martinez

Selling Office Information
Buyer Office Name: Executive Bankers Realty

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.8mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 2.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.5mi

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

6/10 Fire Factor

8% 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

$1.53M – $1.85M

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New listings for sale in 91765

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OPEN SUN, 1PM TO 3PM

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23308 Quail Smt, Diamond Bar, CA 91765

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OPEN SUN, 1AM TO 3PM3D WALKTHROUGH

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OPEN SUN, 1PM TO 4PM

$538,000

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$1,070,000

4 beds2.5 baths1,893 sq ft

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Home values near 20910 Running Branch Rd

Data from public records.

Address	Redfin Estimate
20970 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2544 Sq. Ft.	$1,313,947
20930 Running Branch Road, Diamond Bar, CA 4 Beds \| 4 Baths \| 2602 Sq. Ft.	$1,382,561

Address	Redfin Estimate
20960 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2558 Sq. Ft.	$1,340,289
20920 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2558 Sq. Ft.	$1,505,560

Address	Redfin Estimate
20940 Running Branch Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 3032 Sq. Ft.	$1,359,461
20905 Running Branch Road, Diamond Bar, CA 6 Beds \| 4 Baths \| 3565 Sq. Ft.	$1,785,789

Property information provided by CRMLS when last listed in 2020. This data may not match . Learn more.

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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 20910 Running Branch Rd

Tax history for 20910 Running Branch 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 20910 Running Branch Rd

More real estate resources