20949 Ambushers St Diamond Bar, CA 91765
Diamond Bar AreaEstimated payment $10,643/month
Highlights
- Detached Guest House
- Mountain View
- Main Floor Primary Bedroom
- Castle Rock Elementary School Rated A
- Traditional Architecture
- Granite Countertops
About This Home
BOGO opportunity—two homes on one spacious lot! This unique property features a 2,680 sq. ft. main home with 4 bedrooms and 3 bathrooms, plus a guest house with its own kitchen, bathroom, and private entrance. Ideal for multigenerational living, extended family, guests, or rental income.
The main home offers a downstairs primary suite, a second bedroom, and a dedicated office. The welcoming living room flows into the kitchen and dining area, creating an inviting space for everyday living. The oversized family room offers the flexibility to create two functional areas, such as a second sitting area, play corner, or exercise space. Two additional bedrooms upstairs feature walk-in closets. The spacious backyard provides plenty of room to relax and enjoy outdoor living.
Located in a mature and well-established Diamond Bar neighborhood within the Walnut Valley Unified School District. Conveniently close to schools, parks, shopping, restaurants, and H Mart, with easy access to the 57 and 60 freeways.
A rare opportunity to enjoy two separate living spaces on one lot. See it for yourself!
Listing Agent
FIRST TEAM REAL ESTATE Brokerage Phone: 909-342-3636 License #01947739 Listed on: 09/08/2026
Open House Schedule
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Saturday, September 19, 202612:00 to 4:00 pm9/19/2026 12:00:00 PM +00:009/19/2026 4:00:00 PM +00:00Add to Calendar
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Sunday, September 20, 202612:00 to 4:00 pm9/20/2026 12:00:00 PM +00:009/20/2026 4:00:00 PM +00:00Add to Calendar
Home Details
Home Type
- Single Family
Year Built
- Built in 1964
Lot Details
- 11,645 Sq Ft Lot
- Wood Fence
- Landscaped
- Sprinkler System
- Back and Front Yard
Parking
- 2 Car Attached Garage
- Parking Available
- Front Facing Garage
- Driveway
Property Views
- Mountain
- Hills
- Neighborhood
Home Design
- Traditional Architecture
- Entry on the 1st floor
- Turnkey
- Raised Foundation
- Flat Tile Roof
Interior Spaces
- 3,100 Sq Ft Home
- 2-Story Property
- Family Room with Fireplace
- Living Room
- Home Office
Kitchen
- Gas Oven
- Gas Range
- Dishwasher
- Granite Countertops
Flooring
- Carpet
- Vinyl
Bedrooms and Bathrooms
- 5 Bedrooms | 3 Main Level Bedrooms
- Primary Bedroom on Main
- Walk-In Closet
- 4 Full Bathrooms
- Dual Vanity Sinks in Primary Bathroom
- Bathtub with Shower
Laundry
- Laundry Room
- Dryer
- Washer
Home Security
- Carbon Monoxide Detectors
- Fire and Smoke Detector
Outdoor Features
- Covered Patio or Porch
- Exterior Lighting
- Rain Gutters
Additional Homes
- Detached Guest House
Schools
- Castle Rock Elementary School
- South Point Middle School
- Diamond Bar High School
Utilities
- Two cooling system units
- Central Heating and Cooling System
- Natural Gas Connected
Listing and Financial Details
- Tax Lot 35
- Tax Tract Number 25989
- Assessor Parcel Number 8714013015
- $1,015 per year additional tax assessments
Community Details
Recreation
- Park
Additional Features
- No Home Owners Association
- Laundry Facilities
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 |
|---|---|---|---|---|
| 2026 | $15,946 | $1,300,499 | $789,663 | $510,836 |
| 2025 | $15,946 | $1,275,000 | $774,180 | $500,820 |
| 2024 | $15,225 | $1,250,000 | $759,000 | $491,000 |
| 2023 | $6,073 | $467,611 | $189,714 | $277,897 |
| 2022 | $5,946 | $458,444 | $185,995 | $272,449 |
| 2021 | $2,785 | $184,957 | $23,072 | $161,885 |
| 2020 | $2,752 | $183,062 | $22,836 | $160,226 |
| 2019 | $2,704 | $179,474 | $22,389 | $157,085 |
| 2018 | $2,503 | $175,955 | $21,950 | $154,005 |
| 2016 | $2,307 | $169,125 | $21,099 | $148,026 |
| 2015 | $2,315 | $166,586 | $20,783 | $145,803 |
| 2014 | $2,324 | $163,323 | $20,376 | $142,947 |
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 | Prior Sale |
|---|---|---|---|---|---|
| 09/08/2026 09/08/26 | For Sale | $1,680,000 | +34.4% | $542 / Sq Ft | |
| 12/04/2023 12/04/23 | Sold | $1,250,000 | -3.5% | $396 / Sq Ft | View Prior Sale |
| 11/12/2023 11/12/23 | Pending | -- | -- | -- | |
| 10/23/2023 10/23/23 | Price Changed | $1,295,000 | -2.3% | $410 / Sq Ft | |
| 10/10/2023 10/10/23 | Price Changed | $1,324,900 | -1.9% | $419 / Sq Ft | |
| 09/20/2023 09/20/23 | Price Changed | $1,349,888 | -3.6% | $427 / Sq Ft | |
| 09/06/2023 09/06/23 | Price Changed | $1,399,888 | -3.4% | $443 / Sq Ft | |
| 08/30/2023 08/30/23 | Price Changed | $1,449,000 | -3.3% | $459 / Sq Ft | |
| 08/24/2023 08/24/23 | Price Changed | $1,499,000 | -5.6% | $474 / Sq Ft | |
| 08/17/2023 08/17/23 | For Sale | $1,588,000 | -- | $503 / 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 |
|---|---|---|---|
| Grant Deed | $1,250,000 | Chicago Title Company | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | Old Republic Title | |
| Interfamily Deed Transfer | -- | North American | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | Lawyers Title Company | |
| Interfamily Deed Transfer | -- | Lawyers Title Company |
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 |
|---|---|---|---|
| Previous Owner | $245,000 | Purchase Money Mortgage | |
| Previous Owner | $100,000 | Credit Line Revolving | |
| Previous Owner | $167,500 | No Value Available |
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: CV26192121
APN: 8714-013-015
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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