20899 Starshine
Walnut, CA 91789
4
Bed
3
Bath
2,150Sqft
5,941Sqft(Lot)
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. E
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total Bedrooms: 4Bathroom Information
Total Baths: 3 Full Baths: 3Water/Sewer
Water Source: Public Sewer: Public Sewer -
Interior Features
Fireplace: Family Room -
Cooling Features
Central Air Air ConditioningHeating Source
Central Has HeatingFireplace
Fireplace Features: Family Room Has Fireplace: 1
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Building Information
Year Built: 1983 -
Pool Features
NoneLaundry Features
In Garage
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Lot Details
Lot Dimensions Source: Vendor Enhanced Lot Size Acres: 0.1364 -
Lot Size Source: Assessor Lot Size Square Feet: 5941
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Listing Price Information
Original List Price: 1,250,000 Listing Contract Date: 2026-03-27 -
Lease Information
Listing Agreement: Exclusive Right To Sell
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Tax Information
Parcel Number: 8765004017
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Garage and Parking
Attached Garage: YesHomeowners Association
Association: Yes Association Amenities: Picnic Area,Playground Association Fee: 61 AssociationFee Frequency: Monthly Calculated Total Monthly Association Fees: 61
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Other Property Info
Source Listing Status: Active Source Neighborhood: 668 - Walnut Directions: Pathfinder and Brea Canyon Rd Source Property Type: Residential Area: 668 - Walnut Property SubType: Single Family Residence -
Building and Construction
Property Age: 43 Common Walls: No Common Walls Structure Type: Single Family Residence Year Built Source: Assessor Total Square Feet Living: 2150 Entry Level: 1 Entry Location: 1 Levels or Stories: Two Building Total Stories: 2 Structure Type: House
At $581.40 per sq.ft.,this listing is priced below average compared to other homes from Walnut.
The average homes price in Walnut is $370202.62 with avg. price / sq.ft of $2102.04.
The average homes price in Los Angeles County is $373818.81 with avg. price / sq.ft of $2100.74.
How much is this property worth?
Curious about this home's true market value? Use our free Home Evaluation Tool to instantly get a personalized Comparative Market Analysis (CMA) report. Make smarter, data-driven decisions before you buy.
Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 3825 Valley Boulevard #23, Walnut, CA, 91789 | $199,900 | 3 | 2 | 1,288 | 1,288 SqFt |
| 3825 Valley Blvd #25, Walnut, CA, 91789 | $134,995 | 2 | 2 | -- | |
| 3825 Valley Boulevard #46, Walnut, CA, 91789 | $69,990 | 1 | 1 | 576 | 576 SqFt |
| 3825 Valley Blvd #36, Walnut, CA, 91789 | $117,000 | 2 | 1 | 675 | 675 SqFt |
| 3825 Valley Blvd. #58, Walnut, CA, 91789 | $45,000 | 1 | 1 | 300 | 300 SqFt |
| 3825 Valley Boulevard #17, Walnut, CA, 91789 | $265,000 | 3 | 2 | 1,428 | 1,428 SqFt |
| 22092 Portofino Avenue, Walnut, CA, 91789 | $1,901,549 | 4 | 4 | 2,325 | 2,325 SqFt |
| 22129 Portofino Avenue, Walnut, CA, 91789 | $1,708,048 | 4 | 3 | 2,514 | 2,514 SqFt |
| 22085 Manarola Way, Walnut, CA, 91789 | $2,791,161 | 5 | 4 | 3,728 | 3,728 SqFt |
| 22070 Portofino Avenue, Walnut, CA, 91789 | $2,107,775 | 4 | 3 | 2,520 | 2,520 SqFt |
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ByOwner last updated this listing 04/07/2026 @ 01:05
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