21435 Chirping Sparrow Rd, Diamond Bar, CA 91765

Local rules require you to be signed in to see more photos.

Off Market Nov 2020 for $940K

$1,431,883

Est. refi paymentEst. refi $6,107/mo

•

2,697

sq ft

21435 Chirping Sparrow Rd, Diamond Bar, CA 91765

About this home

Gorgeous remodeled Home situated in a desirable neighborhood with Walnut School District. 4 bedrooms 3 full bathrooms. One bedroom and one bathroom downstairs. Recent renovated new upgraded kitchen with beautiful counter top, cabinet, gorgeous upgrades, such as the flooring, carpet, tile, recessed lighting, new paint inside & outside, all the bathroom has been remodeled currently. High ceiling big living room and family room with fireplace, formal dinning room, extra bonus room could be bedroom or player room. Newly installed energy saving windows, doors for enjoying cooler summer and warmer winter with less energy bill. Great home for family life, close to many supermarkets, commercial plazas, school, banks, parks and conveniently close to 57 and 60 free ways.

Single-familyProperty Type

1980Year Built

10,671 sq ftLot Size

$531Est. Price/Sq.Ft.

3 car garageParking

Listed by JOE CHEN •DRE #01321741 • GREEN FORCE, INC.

Bought with Crystal Zheng •DRE #01773176 • KW Executive

Redfin checked: a few seconds ago

•Source:CRMLS #WS20113237

Redfin Estimate

$1,431,883

$492K since sold in November 2020$9,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.6% higher than the average sale price ($1.41M) of 6 comparable homes.

SOLD MAY 12, 2026
$1,680,000
A
4 beds3 baths2,697 sq ft
21535 Chirping Sparrow, Diamond Bar, CA 91765
SOLD JUL 27, 2026
$1,315,000
B
4 beds3 baths2,336 sq ft
3595 Hawkwood, 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 FEB 6, 2026
$1,330,000
D
4 beds3 baths2,302 sq ft
21307 Chirping Sparrow Rd, Diamond Bar, CA 91765
SOLD MAR 25, 2026
$1,250,000
E
4 beds3 baths2,380 sq ft
3396 Hawkwood, Diamond Bar, CA 91765
SOLD APR 15, 2026
$1,379,000
F
4 beds3 baths2,697 sq ft
3424 Hawkwood Rd, Diamond Bar, CA 91765
Vimvi California

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$686,235

Est. take-home

List your home with Redfin and save $7,159

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,253/mo

Redfin rental estimate

List your home for rent

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

NEW 10 HRS AGO
$1,648,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
NEW 11 HRS AGO
$5,380,000
6 beds7 baths9,038 sq ft
2828 Water Course Dr, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,199,999
4 beds2.5 baths1,915 sq ft
23308 Quail Smt, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,690,000
4 beds3 baths2,587 sq ft
1515 Sunbluff Dr, Diamond Bar, CA 91765
OPEN SAT, 2PM TO 5PM
$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 SAT, 11AM TO 2PM
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
OPEN SAT, 12PM TO 3PM
$1,499,900
4 beds2.5 baths2,344 sq ft
23450 Amberwick Pl, Diamond Bar, CA 91765
RE/MAX 2000 REALTY
OPEN FRI, 12PM TO 2PM
$1,424,998
5 beds3 baths3,203 sq ft
24222 Brookwood Dr, Diamond Bar, CA 91765
Rubio Real Estate
OPEN SAT, 12PM TO 3PM
$770,000
2 beds2.5 baths1,468 sq ft
22915 Colombard Ln #2, Diamond Bar, CA 91765
See all

Provided by Redfin

Redfin agents who toured

Two story high home. High Ceiling. updated garage floor.
6 years ago• May not reflect the current state of the home
Kevin Kim
Redfin Associate agent

Sale history for 21435 Chirping Sparrow Rd

Date

Event

Price

Greater Lansing AoR #WS20113237

Nov 13, 2020

Sold

$940,000

$349/sq ft

Nov 13, 2020

Sold

$940,000

$349/sq ft

Oct 6, 2020

Pending

—

Jul 31, 2020

Price Changed

$958,000

$355/sq ft

Jul 21, 2020

Price Changed

$968,000

$359/sq ft

Jun 11, 2020

Listed

$958,000

$355/sq ft

Jun 11, 2020

Listed

$989,000

$367/sq ft

CRMLS #WS19201820

Nov 21, 2019

Listing Removed

—

Aug 22, 2019

Listed

$998,000

$370/sq ft

CRMLS #WS19121033

Aug 1, 2019

Listing Removed

—

Jun 15, 2019

Price Changed

$968,000

$359/sq ft

May 23, 2019

Listed

$998,000

$370/sq ft

CRMLS #T12111568

Dec 19, 2012

Sold

$661,500

$245/sq ft

Nov 14, 2012

Pending

—

Sep 6, 2012

Listed

$675,000

$250/sq ft

CRMLS #H09124240

Jan 8, 2010

Sold

$620,000

$230/sq ft

Dec 17, 2009

Pending

—

Nov 28, 2009

Pending

—

Nov 23, 2009

Listed

$679,000

$252/sq ft

CRMLS #W08116166

Aug 23, 2008

Listing Removed

—

Aug 13, 2008

Listed

$729,000

$270/sq ft

CRMLS #C407760

Aug 12, 2004

Sold

$685,000

$254/sq ft

May 20, 2004

Listed

$695,000

$258/sq ft

Public Records

Sep 27, 1985

Sold

$218,000

$81/sq ft

Public Records

Nov 29, 1982

Sold

$180,000

$67/sq ft

Public Records

Dec 3, 1980

Sold

$182,000

$67/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$12,816 (+5.3%)

$615,794 + $401,689

$1,017,483

2024

$12,168 (+1.8%)

$615,794 + $401,689

$1,017,483

2023

$11,955 (+2.1%)

$603,720 + $393,813

$997,533

2022

$11,707 (+1.9%)

$591,883 + $386,092

$977,975

2021

$11,490 (+24.7%)

$580,278 + $378,522

$958,800

2020

$9,215 (+1.9%)

$568,900 + $371,100

$940,000

2019

$9,039 (+3.9%)

$345,787 + $399,046

$744,833

2018

$8,701 (+4.8%)

$339,007 + $391,222

$730,229

2017

$8,304 (+3.1%)

$325,844 + $376,031

$701,875

2016

$8,055 (−0.6%)

$325,844 + $376,031

$701,875

2015

$8,105

$319,455 + $368,658

$688,113

2014

$8,113 (+2.7%)

$308,494 + $356,008

$664,502

2012

$7,898 (+2.9%)

$307,100 + $354,400

$661,500

2011

$7,672 (+3.2%)

$319,813 + $317,347

$637,160

2010

$7,433 (+0.5%)

$313,543 + $311,125

$624,668

2009

$7,399 (−15.4%)

$319,500 + $284,600

$604,100

2008

$8,741

$319,500 + $284,600

$604,100

Tax history for 21435 Chirping Sparrow Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,816 (+5.3%)

$615,794 + $401,689

$1,017,483

2024

$12,168 (+1.8%)

$615,794 + $401,689

$1,017,483

2023

$11,955 (+2.1%)

$603,720 + $393,813

$997,533

2022

$11,707 (+1.9%)

$591,883 + $386,092

$977,975

2021

$11,490 (+24.7%)

$580,278 + $378,522

$958,800

2020

$9,215 (+1.9%)

$568,900 + $371,100

$940,000

2019

$9,039 (+3.9%)

$345,787 + $399,046

$744,833

2018

$8,701 (+4.8%)

$339,007 + $391,222

$730,229

2017

$8,304 (+3.1%)

$325,844 + $376,031

$701,875

2016

$8,055 (−0.6%)

$325,844 + $376,031

$701,875

2015

$8,105

$319,455 + $368,658

$688,113

2014

$8,113 (+2.7%)

$308,494 + $356,008

$664,502

2012

$7,898 (+2.9%)

$307,100 + $354,400

$661,500

2011

$7,672 (+3.2%)

$319,813 + $317,347

$637,160

2010

$7,433 (+0.5%)

$313,543 + $311,125

$624,668

2009

$7,399 (−15.4%)

$319,500 + $284,600

$604,100

2008

$8,741

$319,500 + $284,600

$604,100

*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

10,675 Sq. Ft.

Year renovated

1980

Sq. Ft.

2,697

Year built

1980

Style

Single Family Residential

County

Los Angeles County

APN

8714021029

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
# of Parking Spaces: 3

Interior

Laundry Information
Has Laundry
Individual Room

Kitchen Information
Appliances: Dishwasher
Has Appliances
Area

Bathroom Information
# of Baths (Full): 3
Bathtub

Cooling Information
Central
Has Cooling

Room Information
Den, Family Room

Fireplace Information
Family Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 1

Exterior

Exterior Information
Structure Type: House

Exterior Features
Pool Features: None

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

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8714021029
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer: Public Sewer
None
Water Source: District/Public

Location

Neighborhood Information
Community Features: Sidewalks

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96367800
Longitude: -117.84118900
Directions: Diamond Bar Blvd
Zoning: LCR19000*

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,697
Stories: —
Lot Size: 10,675 square feet
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1980
County: Los Angeles County
APN: 8714021029

Home facts updated by county records on Aug 30, 2026

Other

Listing Information
Days Active in MLS: 117
Continuous Days Active in MLS: 117

Listing Agent Information
List Agent First Name: JOE
List Agent Last Name: CHEN

Listing Office Information
List Office Name: GREEN FORCE, INC.

Selling Agent Information
Buyer Agent First Name: Crystal
Buyer Agent Last Name: Zheng

Selling Office Information
Buyer Office Name: KW Executive

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.6mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 2.0mi

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
Was this helpful?

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, 14 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

$1.36M – $1.65M

Reach more buyers when you sell with Redfin. Save up to $14,319 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

3D WALKTHROUGH

$2,799,000

5 beds5.5 baths6,343 sq ft

2233 Wind River Ln, Rowland Heights, CA 91748

$6,500,000

11 beds12 baths17,241 sq ft

22588 Ridge Line Rd, Diamond Bar, CA 91765

ReMax 2000 Realty

$5,988,000

6 beds9 baths10,466 sq ft

2695 Shady Ridge Ln, Diamond Bar, CA 91765

$2,750,000

5 beds4.5 baths4,064 sq ft

22737 Timbertop, Diamond Bar, CA 91765

$1,150,000

4 beds3 baths2,144 sq ft

20211 Lake Cyn, Walnut, CA 91789

$1,368,800

4 beds3 baths2,265 sq ft

20505 Missionary Ridge St, Walnut, CA 91789

New listings for sale in 91765

NEW 10 HRS AGO

$1,648,000

4 beds3 baths3,212 sq ft

3315 Hawkwood, Diamond Bar, CA 91765

First Team Real Estate

NEW 11 HRS AGO

$5,380,000

6 beds7 baths9,038 sq ft

2828 Water Course Dr, Diamond Bar, CA 91765

OPEN SAT, 1PM TO 3PM

$1,199,999

4 beds2.5 baths1,915 sq ft

23308 Quail Smt, Diamond Bar, CA 91765

OPEN SAT, 1PM TO 3PM3D WALKTHROUGH

$1,690,000

4 beds3 baths2,587 sq ft

1515 Sunbluff Dr, Diamond Bar, CA 91765

OPEN SAT, 2PM TO 5PM

$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 SAT, 11AM TO 2PM3D WALKTHROUGH

$1,150,000

4 beds3 baths1,747 sq ft

1036 Cogburn Ln, Diamond Bar, CA 91765

OPEN SAT, 12PM TO 3PM

$1,499,900

4 beds2.5 baths2,344 sq ft

23450 Amberwick Pl, Diamond Bar, CA 91765

RE/MAX 2000 REALTY

OPEN FRI, 12PM TO 2PM

$1,424,998

5 beds3 baths3,203 sq ft

24222 Brookwood Dr, Diamond Bar, CA 91765

Rubio Real Estate

Home values near 21435 Chirping Sparrow Rd

Data from public records.

Address	Redfin Estimate
21515 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,354,677
21455 Chirping Sparrow Road, Diamond Bar, CA 5 Beds \| 3 Baths \| 3159 Sq. Ft.	$1,507,576

Address	Redfin Estimate
21505 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2630 Sq. Ft.	$1,270,196
21445 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 2037 Sq. Ft.	$1,183,366

Address	Redfin Estimate
21471 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 2037 Sq. Ft.	$1,188,410
21425 Chirping Sparrow Road, Diamond Bar, CA 5 Beds \| 3 Baths \| 2798 Sq. Ft.	$1,494,772

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

More real estate resources

Zip Codes
Cities
Neighborhoods
Popular Searches

91709 homes for sale
91765 homes for sale
91789 homes for sale
91766 homes for sale
91768 homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

Pathfinder homes for sale
Montefino homes for sale
Alameda Corridor homes for sale
Phillips Ranch homes for sale
Mount San Antonio College homes for sale

Houses for rent in Diamond Bar	Agents near me	Irvine, CA homes for sale	Diamond Bar Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Pasadena, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	Diamond Bar Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Irvine homes for sale
Pasadena homes for sale
Long Beach homes for sale