21555 Chirping Sparrow Rd, Diamond Bar, CA 91765

Off Market Jul 2021 for $1.1M

$1,480,299

Est. refi paymentEst. refi $5,806/mo

•

2,697

sq ft

21555 Chirping Sparrow Rd, Diamond Bar, CA 91765

About this home

Pride of ownership for almost 28 years on a 100% usable flat land. You will fall in love with this home as you enter the double door entryway with vaulted ceiling and spiral staircase. Gleaming laminated wood floor throughout the first floor. Elegant and spacious living room and dining room with plantation shutters. Stepped down family room with a fireplace and sliding doors to the huge backyard. Newly built patio cover and balcony. Updated gourmet kitchen with granite countertop. Do not miss the walk-in pantry. One guest bedroom downstairs with an adjacent full bath for guests. Master suite with a sitting area and balcony overlooking the backyard and trees. Spacious master bathroom with a separate shower stall and tub and lots of natural light. 2 additional bedrooms upstairs with a Jack and Jill bathroom for convenience. Plush carpeting throughout the 2nd floor. Updated double paned windows throughout. Large covered patio for summer bbq and entertaining. Unique 2 AC units, one for downstairs and one for upstairs to save energy costs. Plenty of room for your dream swimming pool. Sellers are moving overseas and would love to see this home go to family who will enjoy this home as much as they have in the last 28 years. Hurry, this home will not last.

Single-familyProperty Type

1980Year Built

8,846 sq ftLot Size

$549Est. Price/Sq.Ft.

3 car garageParking

Listed by Paul Huang •DRE #01068912 • ReMax 2000 Realty

Bought with SANNY YOU •DRE #02063106 • ALLIANCE REALTY KINGDOM INC.

Redfin checked: 3 minutes ago

•Source:CRMLS #TR21126540

Redfin Estimate

$1,480,299

$358K since sold in July 2021$14K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5% 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 APR 15, 2026
$1,379,000
B
4 beds3 baths2,697 sq ft
3424 Hawkwood Rd, Diamond Bar, CA 91765
Vimvi California
SOLD MAR 25, 2026
$1,250,000
C
4 beds3 baths2,380 sq ft
3396 Hawkwood, Diamond Bar, CA 91765
SOLD MAY 14, 2026
$1,330,000
D
4 beds3 baths2,037 sq ft
3357 Bent Twig, Diamond Bar, CA 91765
SOLD JUL 27, 2026
$1,315,000
E
4 beds3 baths2,336 sq ft
3595 Hawkwood, Diamond Bar, CA 91765
SOLD MAY 28, 2026
$1,505,000
F
4 beds3 baths2,712 sq ft
3249 Hawkwood Rd, Diamond Bar, CA 91765

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Earn from this home

Sell

$590,029

Est. take-home

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Refinance

Est. cash available

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Rent

$4,110/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

NEW 15 HRS AGO
$1,648,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
NEW 16 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 21555 Chirping Sparrow Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,047 (+5.1%)

$692,968 + $497,705

$1,190,673

2024

$14,319 (+3.2%)

$692,968 + $497,705

$1,190,673

2023

$13,876 (+2.1%)

$679,381 + $487,947

$1,167,328

2022

$13,589 (+149.7%)

$666,060 + $478,380

$1,144,440

2021

$5,443 (+2.2%)

$653,000 + $469,000

$1,122,000

2020

$5,325 (+1.9%)

$137,539 + $278,553

$416,092

2019

$5,225 (+4.8%)

$136,129 + $275,697

$411,826

2018

$4,984 (+4.7%)

$133,460 + $270,292

$403,752

2017

$4,763 (+3.4%)

$128,279 + $259,798

$388,077

2016

$4,605 (−0.5%)

$128,279 + $259,798

$388,077

2015

$4,630 (−0.2%)

$125,764 + $254,704

$380,468

2014

$4,637 (+1.2%)

$121,449 + $245,965

$367,414

2012

$4,581 (+3.0%)

$120,901 + $244,854

$365,755

2011

$4,448 (+0.8%)

$118,531 + $240,053

$358,584

2010

$4,412 (+0.5%)

$116,207 + $235,347

$351,554

2009

$4,392 (+2.8%)

$115,339 + $233,589

$348,928

2008

$4,271

$115,614 + $234,144

$349,758

Tax history for 21555 Chirping Sparrow Rd

Year

Property tax

Land + Additions

Assessment*

2025

$15,047 (+5.1%)

$692,968 + $497,705

$1,190,673

2024

$14,319 (+3.2%)

$692,968 + $497,705

$1,190,673

2023

$13,876 (+2.1%)

$679,381 + $487,947

$1,167,328

2022

$13,589 (+149.7%)

$666,060 + $478,380

$1,144,440

2021

$5,443 (+2.2%)

$653,000 + $469,000

$1,122,000

2020

$5,325 (+1.9%)

$137,539 + $278,553

$416,092

2019

$5,225 (+4.8%)

$136,129 + $275,697

$411,826

2018

$4,984 (+4.7%)

$133,460 + $270,292

$403,752

2017

$4,763 (+3.4%)

$128,279 + $259,798

$388,077

2016

$4,605 (−0.5%)

$128,279 + $259,798

$388,077

2015

$4,630 (−0.2%)

$125,764 + $254,704

$380,468

2014

$4,637 (+1.2%)

$121,449 + $245,965

$367,414

2012

$4,581 (+3.0%)

$120,901 + $244,854

$365,755

2011

$4,448 (+0.8%)

$118,531 + $240,053

$358,584

2010

$4,412 (+0.5%)

$116,207 + $235,347

$351,554

2009

$4,392 (+2.8%)

$115,339 + $233,589

$348,928

2008

$4,271

$115,614 + $234,144

$349,758

*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

8,848 Sq. Ft.

Year renovated

1980

Sq. Ft.

2,697

Year built

1980

Style

Single Family Residential

County

Los Angeles County

APN

8714021020

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
Inside

Kitchen Information
Appliances: Electric Range
Has Appliances
Breakfast Nook
Granite Counters

Bathroom Information
# of Baths (Full): 3
Bathtub

Cooling Information
Central
Has Cooling

Room Information
Attic, Entry, Primary Suite

Fireplace Information
Family Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Balcony, Bar
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

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8714021020
Total # of Stories: 2
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: Curbs

School Information
High School: Diamond Bar
High School District: Walnut Valley Unified
High School 2: DIABAR

Location Information
Latitude: 33.96405500
Longitude: -117.83924800
Directions: S/Diamond Bar Blvd
Zoning: LCR19000*

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,697
Stories: —
Lot Size: 8,848 square feet
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1980
County: Los Angeles County
APN: 8714021020

Home facts updated by county records on Aug 30, 2026

Other

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

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

Listing Office Information
List Office Name: ReMax 2000 Realty

Selling Agent Information
Buyer Agent First Name: SANNY
Buyer Agent Last Name: YOU

Selling Office Information
Buyer Office Name: ALLIANCE REALTY KINGDOM INC.

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
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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

$1.41M – $1.70M

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Home values near 21555 Chirping Sparrow Rd

Data from public records.

Address	Redfin Estimate
21565 Chirping Sparrow Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1752 Sq. Ft.	$1,047,074
21525 Chirping Sparrow Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 2798 Sq. Ft.	$1,348,423

Address	Redfin Estimate
21545 Chirping Sparrow Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 2380 Sq. Ft.	$1,186,927
21515 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,354,677

Address	Redfin Estimate
21535 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,810,180
21505 Chirping Sparrow Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2630 Sq. Ft.	$1,270,196

Property information provided by CRMLS when last listed in 2021. This data may not match . Learn more.

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