Diamond Bar homes
For sale107 days on market
$1,258,880

21725 Lost River, Diamond Bar, CA 91765

4
Beds
3
Baths
1,813
Sq ft
$694
Per sq ft

About this home

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.

Type
Single Family Residence
Year built
1963
Lot
8,392 sq ft
Garage
2 car
HOA
None
Pool
No
View
—
Solar
—
Estimated payment
$7,939/mo
  • Principal & interest$6,366
  • Property tax (est.)$1,206
  • Home insurance (est.)$367

Example only, not a loan offer. Rate is a placeholder; ask a lender for today's. Taxes vary by neighborhood (Mello-Roos).

Listing provided courtesy of Ya Ting Chan, WeTrust Realty, 626.566.8000. MLS# TR26156811. Based on information from California Regional Multiple Listing Service, Inc. as of November 1, 2026 at 8:44 AM Pacific. Information is deemed reliable but not guaranteed and is provided exclusively for consumers' personal, non-commercial use to identify prospective properties they may be interested in purchasing. Coldwell Banker Associated Brokers Realty, CA DRE #00939614.

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