Welcome to this beautifully fully renovated single-family home in the highly desirable South Diamond Bar neighborhood. This spacious residence offers 4 bedrooms and 3 full bathrooms, including a convenient downstairs bedroom and full bath, ideal for guests, multigenerational living, or a private home office. As you enter the home, you are greeted by soaring high ceilings and abundant natural light, creating an open and inviting atmosphere. The home has been extensively upgraded with quality improvements throughout, including complete repiping, new double-pane windows, new vinyl flooring throughout, a brand-new staircase, new interior doors, and an elegant new double front entry door that enhances both style and curb appeal. The fully remodeled kitchen is designed for both everyday living and entertaining, featuring quartz countertops, stainless steel appliances, and a built-in drawer microwave. The kitchen opens seamlessly to the spacious family room, highlighted by a modern electric fireplace, creating a warm and stylish gathering space. The home is filled with natural sunlight, enhancing the bright and airy feel throughout. Upstairs, the second floor features a spacious primary suite with a private retreat area and beautiful views, providing the perfect space to relax. The primary bathroom includes dual sinks, a separate walk-in shower, and a soaking bathtub. Additional 2 bedrooms Share 1 bath provide comfortable living space for family members. The 3-car garage has been upgraded with durable epoxy flooring, providing a clean and polished space for parking, storage, or hobbies. Step outside to enjoy the stunning panoramic views and beautifully landscaped low-maintenance backyard with premium artificial grass, perfect for relaxing or entertaining without the upkeep of traditional landscaping. Located within a highly rated school district and offering easy access to freeways, shopping centers, restaurants, and everyday conveniences, this home combines modern upgrades, functional layout, natural light, and scenic outdoor living. A rare opportunity to own a move-in-ready, extensively upgraded home in one of Diamond Bar’s most sought-after neighborhoods.
Single-familyProperty Type
1980Year Built
10,008 sq ftLot Size
$623Price/Sq.Ft.
3 car garageParking
Listed by Simon Dong•DRE #01959497• 168 Realty Inc.
Bought with Ying Chou•DRE #01949599• K.W. EXECUTIVE
Est. $4,213 per month, based on comparable rentals
Sale and tax history for 21535 Chirping Sparrow
Sale History
Tax History
Date
Event
Price
CRMLS #TR26051137
May 12, 2026
Sold
$1,680,000
$623/sq ft
Apr 30, 2026
Pending
—
Apr 13, 2026
Relisted
—
Mar 13, 2026
Listed
$1,738,000
$644/sq ft
Public Records
May 19, 2025
Sold
$1,232,000
$457/sq ft
CRMLS #AR25086945
May 19, 2025
Pending
—
May 19, 2025
Sold
$1,232,000
$457/sq ft
Apr 27, 2025
Contingent
—
Apr 22, 2025
Listed
$1,150,000
$426/sq ft
Great opportunity to create your dream home in one of the most desirable South Diamond Bar neighborhoods. This home is located in the highly sought after Walnut Valley Unified School District, a top rated school district. A significant attribute is the unobstructed panoramic view from the rear yard/house of the mountain range and city lights below. This spacious 9 room house boasts a large eating area adjacent to kitchen as well as a formal dining room. Sunken family room with fireplace. There is a bedroom and bathroom on the ground level. The 3 car garage has direct access to the house. Location is minutes from the 57 and 60 freeways providing convenient access to Orange County, Los Angeles, and the Inland Empire. Seller is the original owner. Built in 1980, the house has had very few upgrades and is waiting for the right family to turn it into their dream home. This is your opportunity to live in one of Diamond Bar's most desirable neighborhoods and top rated school district.
Public Records
Jul 9, 1980
Sold
$171,900
$64/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,405 (+8.3%)
$65,288 + $309,130
$374,418
2024
$4,989 (+4.4%)
$65,288 + $309,130
$374,418
2023
$4,777 (+2.2%)
$64,008 + $303,069
$367,077
2022
$4,676 (+1.0%)
$62,753 + $297,127
$359,880
2021
$4,628 (+1.3%)
$61,523 + $291,301
$352,824
2020
$4,571 (+3.0%)
$60,317 + $285,590
$345,907
2019
$4,436 (+4.8%)
$59,699 + $282,662
$342,361
2018
$4,232 (+4.6%)
$58,529 + $277,120
$335,649
2017
$4,047 (+3.6%)
$56,257 + $266,360
$322,617
2016
$3,908 (−0.5%)
$56,257 + $266,360
$322,617
2015
$3,928 (−0.2%)
$55,154 + $261,138
$316,292
2014
$3,936 (+1.3%)
$53,262 + $252,178
$305,440
2012
$3,886 (+3.0%)
$53,022 + $251,039
$304,061
2011
$3,773 (+0.8%)
$51,983 + $246,117
$298,100
2010
$3,742 (+0.6%)
$50,964 + $241,292
$292,256
2009
$3,721 (+2.9%)
$50,584 + $239,489
$290,073
2008
$3,617
$50,705 + $240,058
$290,763
Public record
Public record
Zoning
Beds
4
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
10,008 Sq. Ft.
Year renovated
1980
Sq. Ft.
2,697
Year built
1980
Style
Single Family Residential
County
Los Angeles County
APN
8714021022
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 9, 2026.
RL
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 - Concrete, Driveway Up Slope From Street, Garage - Three Door, Garage - Front Entry, Garage Door Opener
Has Parking
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
Individual Room, Washer Hookup, Dryer Included
Kitchen Information
Appliances: Water Heater Unit, Garbage Disposal, Water Heater Central, Gas Water Heater, Range/Stove Hood, Gas Range, Dishwasher
Has Appliances
Breakfast Counter / Bar, Formal Dining Room, Breakfast Nook
Kitchen Open to Family Room, Quartz Counters, Remodeled Kitchen, Self-closing cabinet doors, Utility sink, Self-closing drawers, Walk-In Pantry
Bathroom Information
# of Baths (Full): 3
Quartz Counters, Exhaust fan(s), Walk-in shower, Main Floor Full Bath, Bathtub, Double Sinks In Master Bath, Remodeled, Shower
Cooling Information
Electric, Central
Has Cooling
Room Information
Jack & Jill, Primary Bedroom, Entry, Separate Family Room, Walk-In Pantry, Foyer, Living Room, Main Floor Bedroom, Family Room, Primary Bathroom
Lot Features: Sprinklers In Front, Paved, Landscaped, Sprinklers Timer, Front Yard, Walkstreet, Sprinkler System, Back Yard, Sprinklers In Rear
Property Information
Total # of Units: 1
Accessibility Features: None
Common Walls: No Common Walls
Direction Faces: South
Living Area Source: Assessor's Data
Parcel Number: 8714021022
Property Condition: Turnkey, Updated/Remodeled
Total # of Stories: 2
Has View
Year Built Source: Assessor
Property ADU: No
Financial
Assesments Information
Assessments: Special Assessments
Utilities
Utilities Information
Electric: Standard, Electricity - On Property
Sewer: Public Sewer
Natural Gas Connected, Sewer Connected, Cable Connected, Water Connected
Water Source: District/Public
Location
Neighborhood Information
Community Features: Sidewalks, Suburban, Park
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: 33.96422000
Longitude: -117.83965900
Directions: Cold Spring Ln & Diamond Bar Blvd
Road Frontage Type: Access via City Streets
Road Surface Type: Maintained
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,697
Stories: —
Lot Size: 10,008 square feet
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1980
County: Los Angeles County
APN: 8714021022
Home facts updated by county records on Jul 9, 2026
Other
Listing Information
Days Active in MLS: 27
Continuous Days Active in MLS: 27
Listing Agent Information
List Agent First Name: Simon
List Agent Last Name: Dong
Listing Office Information
List Office Name: 168 Realty Inc.
Selling Agent Information
Buyer Agent First Name: Ying
Buyer Agent Last Name: Chou
Selling Office Information
Buyer Office Name: K.W. 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
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