21380 Chirping Sparrow RD Diamond Bar CA 91765 | MLS #DW26185739

21380 Chirping Sparrow RD
Diamond Bar, CA, 91765
$1,399,999
5 Beds
3 Baths
3,073 SqFt
0.37 Acres
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MLS #DW26185739 image #0
Prime South Diamond Bar Fixer with Endless Potential in Award-Winning School District!

Brought to market with incredible potential, this spacious two-story home located in a highly desirable South Diamond Bar neighborhood is ready for your creative vision and personal touches. Situated on a generous 0.37-acre lot with no common walls, this floor plan offers 3,073 square feet of comfortable living space featuring 5 bedrooms, 3 bathrooms, and a massive upstairs bonus room.

The main level welcomes you with high cathedral ceilings at the entry and living room, a formal dining area, a convenient main-floor bedroom with a full bath, and an open-concept kitchen flowing directly into the family room with a cozy fireplace and French doors. Additional highlights include an attached 3-car garage (featuring a permitted bonus study room conversion space).

Step outside to discover a private, sprawling backyard complete with a pool/spa, covered patio, and an elevated hillside path leading up to a gazebo with incredible local views. While the home requires cosmetic updating and TLC throughout, its solid bones, prime location just minutes from top-rated schools (Castle Rock Elementary, South Pointe Middle, and Diamond Bar High), shopping plazas (including H Mart), and easy access to the 57 and 60 freeways make this a rare diamond in the rough. Bring your contractors, designers, and imagination to transform this property into your dream estate!

Property Details

Price:
$1,399,999
MLS #:
DW26185739
Status:
Active
Beds:
5
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Aug 24, 2026
Finished Sq Ft:
3,073
Lot Size:
16,259 sqft / 0.37 acres (approx)
Year Built:
1980
Traditional, Custom BuiltPool616 – Diamond Bar616diamondbarWalnut Valley UnifiedDiamond BarNeighborhood

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Schools

School District:
Walnut Valley Unified
High School:
Diamond Bar

Interior

Appliances
DW, GD, MW, FSR
Bathrooms
3 Full Bathrooms
Cooling
CA
Flooring
TILE, WOOD, CARP
Heating
FA, GAS, CF
Interior Features
RECL, OFP, TSCE, HCEL
Laundry Features
IR
Levels
U
Main Level Bathrooms
1
Main Level Bedrooms
1

Exterior

Architectural Style
TRD, CB
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, SL, SUB
Fencing
PRV
Garage Spaces
3
Parking Spots
3
Parking Total
3
Patio And Porch Features
CO, PTO
Spa Features
IG, PVT
View
HI, NE
Window Features
BLI, SCR, DPW

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Diamond Bar as of Aug 28, 2026
136
Single Family Listed
77
Avg DOM
442
Avg $ / SqFt
$1,458,412
Avg List Price

Property Summary

    21380 Chirping Sparrow RD Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $1,399,999 and features 5 beds, 3 baths, and has approximately 3,073 square feet of living space, and was originally constructed in 1980. The current price per square foot is $456. The average price per square foot for Single Family listings in Diamond Bar is $442. The average listing price for Single Family in Diamond Bar is $1,458,412. To schedule a showing of MLS#dw26185739 at 21380 Chirping Sparrow RD in Diamond Bar, CA, contact your The Knight Group LA agent at 310.409.7242.

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21380 Chirping Sparrow RD
Diamond Bar, CA