21725 Lost River, Diamond Bar, CA

$1,348,880

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4

Beds

3

Baths

1,813

Square feet

0.19

Acres

About 21725 Lost River

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.

Features of 21725 Lost River

MLS® # TR26156811
Price $1,348,880
Bedrooms 4
Bathrooms 3.00
Full Baths 2
Half Baths 1
Square Footage 1,813
Acres 0.19
Year Built 1963
Type Residential
Sub-Type Detached
Status Active

Community Information

Address 21725 Lost River
Area DIAMOND BAR (91765)
City Diamond Bar
County Los Angeles
State CA
Zip Code 91765

Amenities

Parking Spaces 2
# of Garages 2
View N/K
Is Waterfront No
Has Pool No
Pool N/K

Interior

Heating Forced Air Unit
Cooling Central Forced Air
Fireplace Yes
Fireplaces Bonus Room
# of Stories 1
Stories 1 Story

Exterior

Lot Description Sidewalks

Additional Information

Date Listed July 17th, 2026
Days on Market 43
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

OfficeWeTrust Realty

Listing Map

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