Welcome to this beautifully cared-for home in the heart of Diamond Bar! Located in a highly desirable neighborhood and within the award-winning Walnut Valley Unified School District, this residence offers a rare combination of location, comfort, and functionality.Featuring a well-planned layout with one bedroom downstairs, this home is ideal for multi-generational living, guests, or work-from-home flexibility. High Ceiling in the living Room and Formal Dining Room. The interior showcases wood flooring, spacious living areas, and a large primary bedroom that offers both comfort and privacy. Appraiser Mesured 2150sqft. Tax Record show 1970sqft. Lovingly maintained by the owner and enhanced by professional landscaping, this home offers excellent curb appeal and true move-in ready condition. Enjoy the convenience of being close to schools, parks, shopping, restaurants, and freeway access, all while living in one of Diamond Bar’s most desirable communities. Walking distance to Evergreen Elementary, Diamond Bar High School and Starshine Park and Ronald Reagan Park. Walnut mailing Zip Code and Diamond Bar City.
Property Details
Price:
$1,250,000
MLS #:
TR26066727
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
668walnut
Listed Date:
Mar 27, 2026
Finished Sq Ft:
2,150
Lot Size:
5,941 sqft / 0.14 acres (approx)
Year Built:
1983
See this Listing
Schools
School District:
Walnut Valley Unified
Elementary School:
Evergreen
High School:
Diamond Bar
Interior
Bathrooms
3 Full Bathrooms
Cooling
CA
Heating
CF
Laundry Features
IG
Levels
U
Main Level Bathrooms
1
Main Level Bedrooms
1
Exterior
Attached Garage YN
1
Common Walls
NCW
Community Features
CRB
Garage Spaces
2
Parking Spots
2
Parking Total
2
View
PE
Financial
HOA Fee
$61
HOA Fee Frequency
MO
Map
Community
- Address20899 Starshine Walnut CA
- CityWalnut
- CountyLos Angeles
- Zip Code91789
Market Summary
Current real estate data for Single Family in Walnut as of Mar 29, 2026
98
Single Family Listed
76
Avg DOM
484
Avg $ / SqFt
$1,370,894
Avg List Price
Property Summary
- 20899 Starshine Walnut CA is a Single Family for sale in Walnut, CA, 91789. It is listed for $1,250,000 and features 4 beds, 3 baths, and has approximately 2,150 square feet of living space, and was originally constructed in 1983. The current price per square foot is $581. The average price per square foot for Single Family listings in Walnut is $484. The average listing price for Single Family in Walnut is $1,370,894.
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Courtesy of CC Royal Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than include the name of the listing broker. Neither the listing company nor shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.20899 Starshine
Walnut, CA