21725 Lost River, Diamond Bar
$1,348,880
4 bd · 2.5 ba · 1,813 sqft · Home · Diamond Bar · 26 days on market
Updated August 10, 2026
Key Facts
- Price / SqFt
- $744
- Property Type
- Home
- Year Built
- 1963
- Lot Size
- 8,392 sqft
- Garage
- 2 cars
- Stories
- 1
- Days on Market
- 26
- Listed
- Jul 16, 2026
- MLS #
- TR26156811
- Status
- Active
Open House
Saturday, August 15, 2026 at 1:30 PM
Request a Showing
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.
Highlights
- 4-bedroom, 2.5-bath home.
- 1,813 square feet of living space.
- Located in Diamond Bar.
Price History
| Date | Price | Change |
|---|---|---|
| Aug 10, 2026 | $1,348,880 | — |
| Listed Jul 16, 2026 | ||
Location
About Diamond Bar
- Active Listings
- 82
- Median Price
- $1,098,000
Estimate a Monthly Payment
Estimated Monthly Payment
$8,809/mo
Includes estimated taxes and insurance at the assumption rates below. HOA dues are not included — enter your community's HOA (varies widely by community, and absent from listing data) for an accurate total.
- Principal & Interest
- $7,179
- Property Tax
- $1,236
- Insurance
- $393
- HOAnot included — enter your dues
- $0
Estimate only — not a loan offer or rate quote. Confirm actual figures with a lender.
Get Pre-Approved →Listing courtesy of WeTrust Realty
Based on information from California Regional MLS as of 2026-08-11T05:46:59.947Z. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS.