21725 Lost River, Diamond Bar, California 91765, Diamond Bar, 91765 - 4 bed, 3 bath
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Diamond Bar, California 91765
This Turnkey Single-Story Residence is a Strong Value Opportunity, listed at $1,348,880—positioned above the $1,244,488 Fair Market Value. While priced at a premium, the property features a Mint Condition Rating following a comprehensive remodel, including a new roof, HVAC, and plumbing. Located in the prestigious Walnut Valley Unified School District near top-rated schools, this home offers a functional layout with a private office and a spacious lot. It is an ideal sanctuary for growing families or discerning professionals seeking a move-in-ready lifestyle in Diamond Bar.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 21725 Lost River Subject | $1,348,880* List Price | 4 | 3 | 1,813 | $686 | - |
A 1869 Morning Canyon Sold | $1,290,000 | 4 | 2 | 1,788 | $721 | 0.4 mi |
B 2463 Harmony Hill Sold | $1,300,000 | 4 | 2 | 1,831 | $710 | 0.3 mi |
C 2127 Evergreen Springs Drive Sold | $958,600 | 3 | 2 | 1,372 | $699 | 0.3 mi |
D 21415 Running River Court Sold | $1,080,000 | 4 | 2 | 1,554 | $695 | 0.6 mi |
E 3357 Bent Twig Sold | $1,330,000 | 5 | 4 | 2,037 | $653 | 1.0 mi |
F 21030 Riego Sold | $1,388,000 | 5 | 3 | 2,157 | $643 | 1.0 mi |
G 1728 Shadehill Pl Sold | $1,188,000 | 4 | 2 | 1,708 | $696 | 0.7 mi |
H 1754 Leaning Pine Sold | $1,350,000 | 4 | 3 | 2,268 | $595 | 0.6 mi |
I 1640 Aspen Grove Lane Active | $1,145,000 List Price | 4 | 2 | 1,889 | $606 | 1.0 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
The property has undergone a comprehensive recent remodel (less than 5 years) featuring a brand-new roof, new central A/C, new water piping, and new insulation. The interior is in mint condition with a modern kitchen, updated flooring, and recessed lighting throughout.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 8392, living area = 1813.
The home features significant recent renovations including a brand-new roof, new water piping, new insulation, and a new central A/C system, providing long-term peace of mind and energy efficiency.
Located in the highly acclaimed Walnut Valley Unified School District and within walking distance to Diamond Bar High School and Evergreen Elementary, offering premier educational access.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 1813, other record living area = 1315.
Unlike many premium properties in the Diamond Bar area that offer hillside or city light views, this residence is noted as having no specific view, which may impact its competitive appeal.
Built in 1963, the property may still possess certain architectural or structural characteristics inherent to its age that modern renovations cannot fully alter compared to newer builds.
Beautifully Remodeled Single-Story Home in the Heart of Diamond Bar! Welcome to 21725 Lost River Dr., Diamond Bar, a beautifully renovated single-story home offering 4 bedrooms plus a private office, 2.5 bathrooms, and approximately 1,813 sq. ft. of comfortable living space. This move-in-ready home has been fully remodeled with quality upgrades throughout, including a brand-new roof, new interior and exterior paint, new water piping, new central A/C system, and new insulation, providing comfort, efficiency, and peace of mind for years to come. The functional floor plan features bright and spacious living areas, generously sized bedrooms, and a dedicated office that's perfect for working from home, studying, or creating a flex space to fit your lifestyle. Situated on a desirable lot with a large front yard and spacious backyard, this property offers plenty of room for entertaining, gardening, children to play, or simply relaxing outdoors. Conveniently located within walking distance to Diamond Bar High School, Evergreen Elementary School, and the popular H Mart shopping plaza, you'll enjoy easy access to shopping, dining, parks, and everyday conveniences. Located in the highly acclaimed Walnut Valley Unified School District, this home is an exceptional opportunity for families seeking top-rated schools.
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 4.0 |
| Baths | 3.0 | 3.0 |
| Square foot | 1,813 | 2,277.5 |
| Lot Size | 8,392 | 9,319.5 |
| Price | $1.35M | $1.28M |
| Price per sq ft | $744 | $583 |
| Built year | 1963 | 1984 |
| HOA | $0 | $160 |
| Days on market | 5 | 46 |
Jul 17, 2026
$1,348,880
Initial Listing
May 3, 2010
$388,000
Public Record
Aug 2, 1999
$190,000
Public Record