21131 Chirping Sparrow Rd, Diamond Bar, CA 91765

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Off Market May 2017 for $845K

$1,335,254

Est. refi paymentEst. refi $5,768/mo

•

2,544

sq ft

21131 Chirping Sparrow Rd, Diamond Bar, CA 91765

About this home

* * * HUGE PRICE REDUCTION, PRICE TO SELL QUICK * * * WALNUT SCHOOL DISTRICT!!! UP THE HILL, VERY QUILT, NICE PLACE, YEAR BUILT 1982, BIG LOT, OVER 10,000 SFT. 4 BEDROOMS, 2 BATHS UPSTAIRS, .75 BATH WITH SHOWER DOWNSTAIRS. NICE AND OPEN FLOOR PLAN, FORMAL LIVING, FORMAL DINNING, FORMAL FAMILY ROOM. HIGHLY UPGRADED KITCHEN AND BATHROOMS. VERY RELAXING BACKYARD. 3 CAR GARAGES, AND BIG WIDE DRIVE WAY WITH EXTRA PARKING SPACES, EVEN FOR RV. FAMOUS DIAMOND BAR HIGH, DOWN THE HILL THERE IS BUS STATION, SHOPPING PLAZA, H MART IS RIGHT THERE, AND A LOT OF CHOICES OF RESTAURANTS. VERY NICE MAINTAINED HOUSE, READY TO MOVE-IN! NO HOA, NO MELLO-ROOS TAX, LOW PROPERTY TAX!

Single-familyProperty Type

1982Year Built

10,505 sq ftLot Size

$525Est. Price/Sq.Ft.

3 car garageParking

Listed by Ivy Zhao •DRE #01428487 • RE/MAX Galaxy

Bought with Luis Hsu •DRE #01861426 • Meridian Capital Real Estate

Redfin checked: 4 minutes ago

•Source:CRMLS #TR17030078

Redfin Estimate

$1,335,254

$490K since sold in May 2017$7,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.7% lower than the average sale price ($1.42M) 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 12, 2026
$1,680,000
B
4 beds3 baths2,697 sq ft
21535 Chirping Sparrow, 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 MAY 28, 2026
$1,505,000
D
4 beds3 baths2,712 sq ft
3249 Hawkwood 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

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Earn from this home

Sell

$718,839

Est. take-home

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Refinance

Est. cash available

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Rent

$4,044/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

OPEN SAT, 12PM TO 4PM
$1,648,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
NEW 25 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

Sale history for 21131 Chirping Sparrow Rd

Date

Event

Price

Greater Lansing AoR #TR17030078

May 23, 2017

Sold

$845,000

$332/sq ft

May 23, 2017

Sold

$845,000

$332/sq ft

Apr 24, 2017

Pending

—

Apr 6, 2017

Contingent

—

Mar 30, 2017

Price Changed

$820,000

$322/sq ft

Mar 29, 2017

Price Changed

$850,000

$334/sq ft

Feb 17, 2017

Listed

$868,000

$341/sq ft

Feb 17, 2017

Listed

$820,000

$322/sq ft

***HUGE PRICE REDUCTION, PRICE TO SELL QUICK ***WALNUT SCHOOL DISTRICT!!! UP THE HILL, VERY QUILT, NICE PLACE, YEAR BUILT 1982, BIG LOT, OVER 10,000 SFT. 4 BEDROOMS, 2 BATHS UPSTAIRS, .75 BATH WITH SHOWER DOWNSTAIRS. NICE AND OPEN FLOOR PLAN, FORMAL LIVING, FORMAL DINNING, FORMAL FAMILY ROOM. HIGHLY UPGRADED KITCHEN AND BATHROOMS. VERY RELAXING BACKYARD. 3 CAR GARAGES, AND BIG WIDE DRIVE WAY WITH EXTRA PARKING SPACES, EVEN FOR RV. FAMOUS DIAMOND BAR HIGH, DOWN THE HILL THERE IS BUS STATION, SHOPPING PLAZA, H MART IS RIGHT THERE, AND A LOT OF CHOICES OF RESTAURANTS. VERY NICE MAINTAINED HOUSE, READY TO MOVE-IN! NO HOA, NO MELLO-ROOS TAX, LOW PROPERTY TAX!

CRMLS #TR15108034

Oct 13, 2015

Listing Removed

—

Oct 8, 2015

Relisted

—

Oct 5, 2015

Delisted

—

Aug 20, 2015

Price Changed

$819,000

$322/sq ft

Aug 4, 2015

Price Changed

$839,000

$330/sq ft

Jun 23, 2015

Price Changed

$869,000

$342/sq ft

May 20, 2015

Listed

$880,000

$346/sq ft

CRMLS #TR13053362

May 15, 2013

Sold

$809,000

$318/sq ft

Apr 1, 2013

Pending

—

Mar 31, 2013

Price Changed

$799,000

$314/sq ft

Mar 27, 2013

Listed

$759,000

$298/sq ft

Public Records

Jul 5, 1990

Sold

$360,000

$142/sq ft

Public Records

Mar 5, 1987

Sold

$234,500

$92/sq ft

Public Records

Oct 28, 1983

Sold

$170,500

$67/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$13,322 (+5.3%)

$584,234 + $457,502

$1,041,736

2024

$12,651 (+3.3%)

$584,234 + $457,502

$1,041,736

2023

$12,249 (+2.1%)

$572,779 + $448,532

$1,021,311

2022

$11,997 (+7.8%)

$561,549 + $439,738

$1,001,287

2021

$11,127 (+1.3%)

$550,539 + $431,116

$981,655

2020

$10,986 (+2.0%)

$539,745 + $366,263

$906,008

2019

$10,775 (+4.1%)

$534,211 + $362,508

$896,719

2018

$10,347 (+3.3%)

$523,737 + $355,400

$879,137

2017

$10,018 (+3.0%)

$382,610 + $475,768

$858,378

2016

$9,725 (−0.6%)

$382,610 + $475,768

$858,378

2015

$9,787

$375,108 + $466,440

$841,548

2014

$9,795 (+52.6%)

$362,237 + $450,435

$812,672

2012

$6,418 (+3.0%)

$234,354 + $292,942

$527,296

2011

$6,233 (+0.8%)

$229,759 + $287,199

$516,958

2010

$6,185 (+0.3%)

$225,254 + $281,568

$506,822

2009

$6,167 (+2.7%)

$223,571 + $279,464

$503,035

2008

$6,002

$224,103 + $280,128

$504,231

Tax history for 21131 Chirping Sparrow Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,322 (+5.3%)

$584,234 + $457,502

$1,041,736

2024

$12,651 (+3.3%)

$584,234 + $457,502

$1,041,736

2023

$12,249 (+2.1%)

$572,779 + $448,532

$1,021,311

2022

$11,997 (+7.8%)

$561,549 + $439,738

$1,001,287

2021

$11,127 (+1.3%)

$550,539 + $431,116

$981,655

2020

$10,986 (+2.0%)

$539,745 + $366,263

$906,008

2019

$10,775 (+4.1%)

$534,211 + $362,508

$896,719

2018

$10,347 (+3.3%)

$523,737 + $355,400

$879,137

2017

$10,018 (+3.0%)

$382,610 + $475,768

$858,378

2016

$9,725 (−0.6%)

$382,610 + $475,768

$858,378

2015

$9,787

$375,108 + $466,440

$841,548

2014

$9,795 (+52.6%)

$362,237 + $450,435

$812,672

2012

$6,418 (+3.0%)

$234,354 + $292,942

$527,296

2011

$6,233 (+0.8%)

$229,759 + $287,199

$516,958

2010

$6,185 (+0.3%)

$225,254 + $281,568

$506,822

2009

$6,167 (+2.7%)

$223,571 + $279,464

$503,035

2008

$6,002

$224,103 + $280,128

$504,231

*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

10,505

Year renovated

2019

Sq. Ft.

2,544

Year built

1982

Style

Single Family Residential

County

Los Angeles County

APN

8714020040

Parking Spaces

Basement

Accessible

Yes

HOA Dues

—

Garage

Yes

Features

—

Last updated by owner on Aug 21, 2022.

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, Gas & Electric Range
Has Appliances

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up, Entry, Family Room, Kitchen, Laundry, Living Room, Primary Bedroom, Primary Suite, Walk-In Closet

Fireplace Information
Family Room, Primary Bedroom
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 0
Spa Features: In Ground
Has Spa

Exterior

Exterior Features
Pool Features: None

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

Property Information
Total # of Units: 1
Accessibility Features: Parking
Common Walls: No Common Walls
Parcel Number: 8714020040
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Curbs, Street Lighting

School Information
Elementary School: Castle Rock
Middle Or Junior School: South Pointe
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: CASROC
Middle Or Junior School 2: SOUPOI
High School 2: DIABAR

Location Information
Latitude: 33.96206300
Longitude: -117.84570300
Directions: DIAMOND BAR BLVD & COLD SPRINGS
Zoning: LCR19000*

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,544
Stories: —
Parking Spaces: 3
Basement: No
Accessible: Yes
Lot Size: 10,505 square feet
Style: Single Family Residential
Year Built: 1982
Year Renovated: 2019
County: Los Angeles County
APN: 8714020040
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Aug 21, 2022

Other

Listing Information
Days Active in MLS: 47
Continuous Days Active in MLS: 47

Listing Agent Information
List Agent First Name: Ivy
List Agent Last Name: Zhao

Listing Office Information
List Office Name: Re/Max Realty 100

Selling Agent Information
Buyer Agent First Name: Luis
Buyer Agent Last Name: Hsu

Selling Office Information
Buyer Office Name: Meridian Capital Real Estate

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.7mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 2.0mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.4mi

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

7% chance of being in a wildfire in next 30 years

5/10 Heat Factor

6 days above 98° expected this year, 16 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

$1.27M – $1.54M

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Nearby similar homes

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Rubio Real Estate

Home values near 21131 Chirping Sparrow Rd

Data from public records.

Address	Redfin Estimate
21090 Chirping Sparrow Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 2264 Sq. Ft.	$1,448,421
21030 Chirping Sparrow Rd, Diamond Bar, CA 4 Beds \| 4 Baths \| 3166 Sq. Ft.	$1,405,200

Address	Redfin Estimate
21070 Chirping Sparrow Rd, Diamond Bar, CA 4 Beds \| - Baths \| 2338 Sq. Ft.	$1,354,152
21011 Chirping Sparrow Rd, Diamond Bar, CA 5 Beds \| 3 Baths \| 2880 Sq. Ft.	$1,443,234

Address	Redfin Estimate
21050 Chirping Sparrow Rd, Diamond Bar, CA 3 Beds \| 3 Baths \| 1931 Sq. Ft.	$1,304,080
21033 Chirping Sparrow Rd, Diamond Bar, CA 4 Beds \| 3 Baths \| 2558 Sq. Ft.	$1,212,516

Property information provided by CRMLS when last listed in 2017. This data may not show owner updates. Learn more.

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