21011 Chirping Sparrow Rd, Diamond Bar, CA 91765

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Off Market Nov 2017 for $936K

$1,440,761

Est. refi paymentEst. refi $3,659/mo

•

2,880

sq ft

21011 Chirping Sparrow Rd, Diamond Bar, CA 91765

About this home

This beautiful 2-story home is located in an excellent area of Diamond Bar which has a superb public school system. Spacious inside and out, elegant decorations, efficient layout, countless upgrades, flawless landscaping, and excellent upkeeping all make it a dream home for the most discriminating buyer. Highlights: - Remodeled kitchen with black marble, glassed cabinet doors, and a hugh food pantry - Remodeled bathroom - separate laundry room - large master bedroom and full bathroom with high vaulted ceiling - double paned patio doors - balcony upstairs with access from two guest rooms Note 1: The sale will exclude Dining Room chandelier light and Olhausen Billiard table. Billiard table is for sale separately for $1,000. Note 2: While this is not a contingency sale, Seller is looking to downsize to a smaller home and prefer a 60 to 90 day escrow. Seller would also request an option to Lease home at $65 daily rate for up to three months after escrow closes. This home will no doubt sell quickly. Submit your offer with FICO score, proof of funds, and loan prequalifying letter.

Single-familyProperty Type

1983Year Built

8,345 sq ftLot Size

$500Est. Price/Sq.Ft.

3 car garageParking

Listed by Cathy Cheng •DRE #01270713 • ReMax 2000 Realty

Bought with Tina Wu •DRE #01953518 • A + Realty & Mortgage

Redfin checked: a minute ago

•Source:CRMLS #TR17160612

Redfin Estimate

$1,440,761

$505K since sold in November 2017$10K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.7% higher than the average sale price ($1.43M) of 5 comparable homes.

SOLD APR 17, 2026
$1,388,000
A
5 beds3 baths2,157 sq ft
21030 Riego, 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 APR 15, 2026
$1,379,000
C
4 beds3 baths2,697 sq ft
3424 Hawkwood Rd, Diamond Bar, CA 91765
Vimvi California
SOLD APR 1, 2026
$1,390,000
D
4 beds3 baths2,781 sq ft
20885 Starshine, Diamond Bar, CA 91789
SOLD MAY 12, 2026
$1,680,000
E
4 beds3 baths2,697 sq ft
21535 Chirping Sparrow, Diamond Bar, CA 91765

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Earn from this home

Sell

$750,632

Est. take-home

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Refinance

Est. cash available

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Rent

$4,019/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
$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
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, 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
$625,000
3 beds2.5 baths1,420 sq ft
1030 Golden Springs Dr Unit B, 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
See all

Provided by Redfin

Sale history for 21011 Chirping Sparrow Rd

Date

Event

Price

CRMLS #TR17160612

Nov 30, 2017

Sold

$936,000

$325/sq ft

Oct 16, 2017

Pending

—

Aug 18, 2017

Price Changed

$958,000

$333/sq ft

Jul 14, 2017

Listed

$999,888

$347/sq ft

Public Records

Aug 26, 2005

Sold

$750,000

$260/sq ft

CRMLS #P449024

Aug 28, 2005

Sold

$760,000

$264/sq ft

May 6, 2005

Listed

$760,000

$264/sq ft

CRMLS #H505114

Aug 5, 2005

Listing Removed

—

May 6, 2005

Listed

$760,000

$264/sq ft

Public Records

Dec 13, 1983

Sold

$191,000

$66/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$13,590 (+5.4%)

$569,254 + $495,750

$1,065,004

2024

$12,896 (+3.3%)

$569,254 + $495,750

$1,065,004

2023

$12,488 (+2.1%)

$558,093 + $486,030

$1,044,123

2022

$12,230 (+1.9%)

$547,150 + $476,500

$1,023,650

2021

$12,003 (+1.3%)

$536,422 + $467,157

$1,003,579

2020

$11,849 (+2.0%)

$525,904 + $457,998

$983,902

2019

$11,621 (+3.8%)

$520,512 + $453,302

$973,814

2018

$11,196 (+9.5%)

$510,306 + $444,414

$954,720

2017

$10,223 (+3.1%)

$510,911 + $372,202

$883,113

2016

$9,918 (−0.6%)

$510,911 + $372,202

$883,113

2015

$9,980

$500,894 + $364,904

$865,798

2014

$9,985 (+15.5%)

$483,707 + $352,383

$836,090

2012

$8,641 (+1.0%)

$410,000 + $298,700

$708,700

2011

$8,552

$410,000 + $298,700

$708,700

2010

$8,550 (+12.2%)

$410,000 + $298,700

$708,700

2009

$7,619 (−17.8%)

$410,000 + $298,700

$708,700

2008

$9,265

$364,900 + $265,800

$630,700

Tax history for 21011 Chirping Sparrow Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,590 (+5.4%)

$569,254 + $495,750

$1,065,004

2024

$12,896 (+3.3%)

$569,254 + $495,750

$1,065,004

2023

$12,488 (+2.1%)

$558,093 + $486,030

$1,044,123

2022

$12,230 (+1.9%)

$547,150 + $476,500

$1,023,650

2021

$12,003 (+1.3%)

$536,422 + $467,157

$1,003,579

2020

$11,849 (+2.0%)

$525,904 + $457,998

$983,902

2019

$11,621 (+3.8%)

$520,512 + $453,302

$973,814

2018

$11,196 (+9.5%)

$510,306 + $444,414

$954,720

2017

$10,223 (+3.1%)

$510,911 + $372,202

$883,113

2016

$9,918 (−0.6%)

$510,911 + $372,202

$883,113

2015

$9,980

$500,894 + $364,904

$865,798

2014

$9,985 (+15.5%)

$483,707 + $352,383

$836,090

2012

$8,641 (+1.0%)

$410,000 + $298,700

$708,700

2011

$8,552

$410,000 + $298,700

$708,700

2010

$8,550 (+12.2%)

$410,000 + $298,700

$708,700

2009

$7,619 (−17.8%)

$410,000 + $298,700

$708,700

2008

$9,265

$364,900 + $265,800

$630,700

*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

8,336 Sq. Ft.

Year renovated

1983

Sq. Ft.

2,880

Year built

1983

Style

Single Family Residential

County

Los Angeles County

APN

8714020035

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

Laundry Information
Has Laundry
Inside

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
Family Room, Kitchen, Living Room, Primary Bathroom, Primary Bedroom

Fireplace Information
Gas
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: Two
Main Level Bathrooms: 2
Main Level Bedrooms: 4

Exterior

Exterior Information
Roof: Tile

Exterior Features
Pool Features: None
Has Sprinklers

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Corner Lot, Sprinklers In Front

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8714020035
Total # of Stories: 2
Has View
Year Built Source: Assessor

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Sidewalks, Suburban

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96263000
Longitude: -117.84669600
Directions: Diamond Bar Blvd and Shadow Canyon Drive
Zoning: LCR19000*

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 2,880
Stories: —
Lot Size: 8,336 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8714020035

Home facts updated by county records on Aug 30, 2026

Other

Miscellaneous Information
Exclusions: Dining room chandalier, billiard table

Listing Information
Days Active in MLS: 86
Continuous Days Active in MLS: 86

Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng

Listing Office Information
List Office Name: ReMax 2000 Realty

Selling Agent Information
Buyer Agent First Name: Tina
Buyer Agent Last Name: Wu

Selling Office Information
Buyer Office Name: A + Realty & Mortgage

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

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

$1.37M – $1.66M

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New listings for sale in 91765

OPEN SAT, 12PM TO 4PM

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6 beds7 baths9,038 sq ft

2828 Water Course Dr, Diamond Bar, CA 91765

OPEN SAT, 1PM TO 3PM

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23308 Quail Smt, Diamond Bar, CA 91765

$818,800

3 beds3 baths1,570 sq ft

22935 Estoril Dr #6, 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

$625,000

3 beds2.5 baths1,420 sq ft

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Home values near 21011 Chirping Sparrow Rd

Data from public records.

Address	Redfin Estimate
21090 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2264 Sq. Ft.	$1,450,191
21030 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 4 Baths \| 3166 Sq. Ft.	$1,386,507

Address	Redfin Estimate
21070 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| - Baths \| 2338 Sq. Ft.	$1,347,856
21010 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2288 Sq. Ft.	$1,249,438

Address	Redfin Estimate
21050 Chirping Sparrow Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 1931 Sq. Ft.	$1,306,741
21033 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2558 Sq. Ft.	$1,231,781

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

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