Stunning Move-In Ready Home in Highly Coveted South Diamond Bar! Featuring a spacious 1,931 sqft. layout with 3 bedrooms, 2.5 bathrooms, and a 3-car garage. Nestled on a generous lot with ADU potential, this home offers an excellent opportunity for both comfortable living and future expansion. Additionally, the attic space can be transformed into a kids' playroom or even a fourth bedroom, giving you the flexibility to adapt the space to your needs. Located in the highly sought-after Walnut Valley Unified School District, this home is perfect for families looking for top-rated schools, a safe environment, and a welcoming community. Elegant Interior Designed for Comfort & Style. Step inside to a bright and airy living space with soaring high ceilings, creating a warm and inviting ambiance—perfect for family gatherings and entertaining. The built-in surround sound system enhances movie nights and special occasions, while the custom shutter blinds provide privacy and cooling efficiency during warm summer months. The chef’s kitchen is thoughtfully designed with high-end appliances and premium finishes, featuring: 1)36” Wolf grill stove for gourmet cooking 2) High-performance kitchen hood with powerful ventilation 3) Built-in Sub-Zero refrigerator for premium food storage 4) Sleek quartz countertops offering both style and durability. Tranquil Outdoor Retreat! Escape to your private Zen-inspired garden, where lush landscaping creates a serene and relaxing atmosphere. Enjoy Elegant Japanese maple & pine trees for a peaceful ambiance, Dedicated flower room—ideal for plant lovers or easily convertible into an ADU for additional guest house, Charming patio—perfect for relaxation or hosting guests, featuring a built-in outdoor sink in the back yard for effortless entertaining. Premium Features & Unbeatable Location! EV charger installed for convenient electric vehicle charging, New water heater (dec 2024) , Water softener & drinking water filtration system included. Prime commuter access—just minutes from 57 & 60 freeways, providing easy connections to Los Angeles, Orange County, and the Inland Empire. 5 minutes to H Mart Plaza—with shopping, dining, and entertainment just around the corner. This move-in ready home offers the perfect blend of modern convenience and an unbeatable location. Don’t miss this rare opportunity to own a home in one of Diamond Bar’s most desirable neighborhoods!
Single-familyProperty Type
1983Year Built
10,771 sq ftLot Size
$675Est. Price/Sq.Ft.
3 car garageParking
Listed by Lillian Tien•DRE #02062775• PYC Financial
Contact: 6262780626
Bought with Weihuai Huang•DRE #02033824• Han Investment Group Inc.
A great opportunity in the City of Diamond Bar! This charming home features 3 bedrooms and 3 baths, large kitchen, living room with fireplace, 3 car attached garage and a large back yard! Hurry this one won't last at this price.
CRMLS #H238958
Jun 3, 2002
Sold
$389,000
$201/sq ft
Apr 22, 2002
Listed
$389,000
$201/sq ft
GORGEOUS PONDEROSA HOME IN DIAMOND RIDGE. BUILT IN 1983. RED TILE ROOF. NEWER CARPET. NEWER ROLL-UP GARAGE DOOR WITH OPENER. COZY LIVING ROOM WITH FIREPLACE. ABOVE GROUND SPA. PROFESSIONAL LANDSCAPE. LIGHT & AIRY. VAULTED CEILING. FORMAL DINING ROOM. FAMILY ROOM. 3 CAR ATTACHED GARAGE. EXCELLENT CONDITION. HUGE BACK YARD. SHOW & SELL !!!
Public Records
Feb 13, 1998
Sold
$267,000
$138/sq ft
Public Records
Apr 17, 1984
Sold
$157,000
$81/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$8,470 (+5.6%)
$377,429 + $267,968
$645,397
2024
$8,025 (+3.7%)
$377,429 + $267,968
$645,397
2023
$7,736 (+2.1%)
$370,029 + $262,714
$632,743
2022
$7,575 (+1.9%)
$362,774 + $257,563
$620,337
2021
$7,432 (+1.3%)
$355,661 + $252,513
$608,174
2020
$7,338 (+2.0%)
$348,688 + $247,562
$596,250
2019
$7,197 (+4.4%)
$345,113 + $245,024
$590,137
2018
$6,892 (+4.8%)
$338,347 + $240,220
$578,567
2017
$6,578 (+3.1%)
$325,209 + $230,893
$556,102
2016
$6,383 (−0.6%)
$325,209 + $230,893
$556,102
2015
$6,420 (−0.1%)
$318,833 + $226,366
$545,199
2014
$6,428 (+1.1%)
$307,893 + $218,599
$526,492
2012
$6,356 (+3.0%)
$306,502 + $217,612
$524,114
2011
$6,174 (−0.5%)
$300,493 + $213,346
$513,839
2010
$6,207 (+11.6%)
$294,601 + $209,163
$503,764
2009
$5,560 (+2.8%)
$292,400 + $207,600
$500,000
2008
$5,411
$217,388 + $228,861
$446,249
Tax history for 21050 Chirping Sparrow Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,470 (+5.6%)
$377,429 + $267,968
$645,397
2024
$8,025 (+3.7%)
$377,429 + $267,968
$645,397
2023
$7,736 (+2.1%)
$370,029 + $262,714
$632,743
2022
$7,575 (+1.9%)
$362,774 + $257,563
$620,337
2021
$7,432 (+1.3%)
$355,661 + $252,513
$608,174
2020
$7,338 (+2.0%)
$348,688 + $247,562
$596,250
2019
$7,197 (+4.4%)
$345,113 + $245,024
$590,137
2018
$6,892 (+4.8%)
$338,347 + $240,220
$578,567
2017
$6,578 (+3.1%)
$325,209 + $230,893
$556,102
2016
$6,383 (−0.6%)
$325,209 + $230,893
$556,102
2015
$6,420 (−0.1%)
$318,833 + $226,366
$545,199
2014
$6,428 (+1.1%)
$307,893 + $218,599
$526,492
2012
$6,356 (+3.0%)
$306,502 + $217,612
$524,114
2011
$6,174 (−0.5%)
$300,493 + $213,346
$513,839
2010
$6,207 (+11.6%)
$294,601 + $209,163
$503,764
2009
$5,560 (+2.8%)
$292,400 + $207,600
$500,000
2008
$5,411
$217,388 + $228,861
$446,249
*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
3
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
10,771 Sq. Ft.
Year renovated
1983
Sq. Ft.
1,931
Year built
1983
Style
Single Family Residential
County
Los Angeles County
APN
8714019007
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 30, 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
Garage, Garage - Front Entry, Garage - Two Door
Has Parking
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
Area, Dryer Included, Gas & Electric Dryer Hookup, Washer Included
Kitchen Information
Appliances: Barbecue, Built In Range, Gas Oven, Range/Stove Hood, Water Purifier
Lot Features: 0-1 Unit/Acre, Back Yard, Garden, Sprinkler System
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8714019007
Total # of Stories: 2
Has View
Year Built Source: Public Records
Property ADU: No
Utilities
Utilities Information
Sewer: Public Sewer
Water Source: District/Public
Location
Neighborhood Information
Community Features: Biking, Dog Park, Hiking, Sidewalks
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: 33.96200700
Longitude: -117.84672100
Directions: Diamond Bar Blvd / Cold Spring
Zoning: LCR19000*
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,931
Stories: —
Lot Size: 10,771 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8714019007
Home facts updated by county records on Aug 30, 2026
Other
Listing Information
IDX Contact Info: 6262780626
Days Active in MLS: 7
Continuous Days Active in MLS: 7
Listing Agent Information
List Agent First Name: Lillian
List Agent Last Name: Tien
Listing Office Information
List Office Name: PYC Financial
Selling Agent Information
Buyer Agent First Name: Weihuai
Buyer Agent Last Name: Huang
Selling Office Information
Buyer Office Name: Han Investment Group Inc.
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
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