21725 Lost River Dr Diamond Bar, CA 91765
Diamond Bar AreaEstimated payment $7,877/month
Highlights
- Lawn
- No HOA
- Central Heating and Cooling System
- Evergreen Elementary School Rated A
- 2 Car Attached Garage
- 1-Story Property
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.
Listing Agent
WeTrust Realty Brokerage Phone: 626.566.8000 License #01872450 Listed on: 07/17/2026
Open House Schedule
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Saturday, July 18, 20261:00 to 4:00 pm7/18/2026 1:00:00 PM +00:007/18/2026 4:00:00 PM +00:00Add to Calendar
Home Details
Home Type
- Single Family
Year Built
- Built in 1963
Lot Details
- 8,392 Sq Ft Lot
- Lawn
Parking
- 2 Car Attached Garage
Home Design
- Entry on the 1st floor
Interior Spaces
- 1,813 Sq Ft Home
- 1-Story Property
- Bonus Room with Fireplace
- Laundry in Garage
Bedrooms and Bathrooms
- 4 Bedrooms | 5 Main Level Bedrooms
Utilities
- Central Heating and Cooling System
Community Details
- No Home Owners Association
Listing and Financial Details
- Tax Lot 100
- Tax Tract Number 25987
- Assessor Parcel Number 8285007027
- $801 per year additional tax assessments
Map
Home Values in the Area
Average Home Value in this Area
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $6,584 | $500,823 | $400,665 | $100,158 |
| 2024 | $6,231 | $491,004 | $392,809 | $98,195 |
| 2023 | $6,084 | $481,377 | $385,107 | $96,270 |
| 2022 | $5,956 | $471,939 | $377,556 | $94,383 |
| 2021 | $5,845 | $462,686 | $370,153 | $92,533 |
| 2019 | $5,661 | $448,965 | $359,175 | $89,790 |
| 2018 | $5,406 | $440,163 | $352,133 | $88,030 |
| 2016 | $5,011 | $423,072 | $338,460 | $84,612 |
| 2015 | $5,039 | $416,719 | $333,377 | $83,342 |
| 2014 | $5,046 | $408,557 | $326,847 | $81,710 |
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 07/17/2026 07/17/26 | For Sale | $1,348,880 | -- | $744 / Sq Ft |
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Interfamily Deed Transfer | -- | Chicago Title Company | |
| Interfamily Deed Transfer | -- | Chicago Title Company | |
| Interfamily Deed Transfer | -- | Chicago Title Company | |
| Interfamily Deed Transfer | -- | Chicago Title Company | |
| Grant Deed | $388,000 | Fidelity National Title Co | |
| Trustee Deed | $157,100 | None Available | |
| Interfamily Deed Transfer | -- | Lawyers Title Company | |
| Quit Claim Deed | -- | -- | |
| Grant Deed | $190,000 | Fidelity Title |
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $200,000 | New Conventional | |
| Closed | $200,000 | New Conventional | |
| Closed | $189,000 | New Conventional | |
| Closed | $210,000 | New Conventional | |
| Previous Owner | $150,000 | Credit Line Revolving | |
| Previous Owner | $100,000 | Credit Line Revolving | |
| Previous Owner | $86,307 | Credit Line Revolving | |
| Previous Owner | $13,693 | Credit Line Revolving | |
| Previous Owner | $187,000 | Unknown | |
| Previous Owner | $90,000 | Credit Line Revolving | |
| Previous Owner | $180,000 | Stand Alone First |
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26156811
APN: 8285-007-027
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. 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. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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