Karla Telleria
Keller Williams Realty
(424) 393-2593
45 Total Sales
1 in Diamond Bar
$495,000 Price
21040 Ambushers St Diamond Bar, CA 91765
Diamond Bar Area
4
Beds
2.5
Baths
2,805
Sq Ft
0.52
Acre Lot
Highlights
- Filtered Pool
- RV Access or Parking
- Updated Kitchen
- Castle Rock Elementary School Rated A
- View of Trees or Woods
- 0.52 Acre Lot
About This Home
As of July 2026Entertainer’s pool home situated on a large private lot in a desirable neighborhood. The spacious floor plan features formal living and dining rooms with cathedral ceilings, a fireplace, and plantation shutters. The remodeled kitchen is a chef’s delight, offering granite countertops, custom cabinetry, a walk-in pantry, a center island with a prep sink, and a premium KitchenAid appliance package featuring a built-in refrigerator and beverage cooler. The kitchen flows seamlessly into the breakfast nook and expansive family room, perfect for daily living and large gatherings. Quality upgrades abound, including engineered hardwood flooring, dual-pane windows/doors, recessed lighting, and new repiping(May, 2026) for long-term peace of mind. The primary suite offers a private retreat with dual closets, an en suite bath, and a private balcony overlooking the grounds. All secondary bedrooms are generously sized with recessed lighting & mirrored closet doors. Step outside to a private backyard oasis complete with a luxury pebble-finish pool and spa, a waterfall, covered patio, and ample space for outdoor dining. Enhanced by beautiful stone accents, a three-car garage, and a location within the highly sought-after Walnut Valley School District, this home is an absolute must-see!
Last Agent to Sell the Property
New Star Realty & Inv. Brokerage Phone: 909-282-7307 License #01406211 Listed on: 06/09/2026
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Home Details
Home Type
- Single Family
Year Built
- Built in 1981 | Remodeled
Lot Details
- 22,675 Sq Ft Lot
- Fenced
- Fence is in good condition
- Landscaped
- Sprinkler System
- Back and Front Yard
Parking
- 3 Car Direct Access Garage
- Parking Available
- Front Facing Garage
- Side by Side Parking
- Two Garage Doors
- Garage Door Opener
- Driveway
- RV Access or Parking
Home Design
- Entry on the 1st floor
- Turnkey
- Slab Foundation
- Tile Roof
- Partial Copper Plumbing
Interior Spaces
- 2,805 Sq Ft Home
- 2-Story Property
- Open Floorplan
- Built-In Features
- Cathedral Ceiling
- Ceiling Fan
- Recessed Lighting
- Track Lighting
- Double Pane Windows
- Plantation Shutters
- Custom Window Coverings
- Window Screens
- Sliding Doors
- Family Room with Fireplace
- Family Room Off Kitchen
- Living Room with Fireplace
- Dining Room
- Views of Woods
Kitchen
- Updated Kitchen
- Breakfast Area or Nook
- Open to Family Room
- Breakfast Bar
- Walk-In Pantry
- Butlers Pantry
- Built-In Range
- Range Hood
- Water Line To Refrigerator
- Dishwasher
- Kitchen Island
- Granite Countertops
- Disposal
Flooring
- Wood
- Carpet
Bedrooms and Bathrooms
- 4 Bedrooms
- All Upper Level Bedrooms
- Walk-In Closet
- Mirrored Closets Doors
- Remodeled Bathroom
- Granite Bathroom Countertops
- Dual Sinks
- Private Water Closet
- Bathtub
- Exhaust Fan In Bathroom
Laundry
- Laundry Room
- Washer and Gas Dryer Hookup
Home Security
- Carbon Monoxide Detectors
- Fire and Smoke Detector
Pool
- Filtered Pool
- In Ground Pool
- Heated Spa
- In Ground Spa
- Waterfall Pool Feature
Outdoor Features
- Balcony
- Patio
- Exterior Lighting
Schools
- Castle Rock Elementary School
- South Pointe Middle School
- Diamond Bar High School
Utilities
- Central Heating and Cooling System
- Vented Exhaust Fan
- Water Heater
Community Details
- No Home Owners Association
- Laundry Facilities
Listing and Financial Details
- Tax Lot 21
- Tax Tract Number 34160
- Assessor Parcel Number 8714011013
Matterport 3D Tours
Ownership 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
Name
Owned For
Owner Type
Purchase Details
Listed on
Jun 9, 2026
Closed on
Jul 8, 2026
Sold by
Soungchul Cha and Suna Cha
Bought by
Seller's Agent
Anna Yang
New Star Realty & Inv.
Buyer's Agent
ZHUN HUANG
Universal Elite Inc.
List Price
$1,499,000
Sold Price
$1,589,000
Premium/Discount to List
$90,000
6%
Views
10
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-9.66%
Original Mortgage
$1,191,750
Outstanding Balance
$1,190,673
Interest Rate
6.5%
Mortgage Type
New Conventional
Estimated Equity
$372,700
Purchase Details
Closed on
Jun 13, 2025
Sold by
Cha Soungchul and Cha Suna
Bought by
Soungchul Cha And Suna Cha Revocable Living T and Cha
Purchase Details
Listed on
Jul 6, 2017
Closed on
Aug 21, 2017
Sold by
Liu Dennis and Wang Candice
Bought by
Cha Soungchul and Cha Suna
Seller's Agent
Mary Chou
ReMax 2000 Realty
Buyer's Agent
Carol Ortega
List Price
$1,058,000
Sold Price
$1,038,000
Premium/Discount to List
-$20,000
-1.89%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
4.63%
Original Mortgage
$538,000
Interest Rate
3.12%
Mortgage Type
Adjustable Rate Mortgage/ARM
Purchase Details
Listed on
Oct 2, 2013
Closed on
Oct 28, 2013
Sold by
Ting Tony Yun Chi and Liu Judy Jo Li
Bought by
Liu Dennis and Wang Candice
Seller's Agent
Cathy Cheng
CC Royal Realty
Buyer's Agent
Cathy Cheng
CC Royal Realty
List Price
$899,000
Sold Price
$915,000
Premium/Discount to List
$16,000
1.78%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
3.40%
Purchase Details
Closed on
Jul 11, 2011
Sold by
Mack Kevin Derek and Mack Carol Munoz
Bought by
Ting Tony Yun Chi and Liu Judy Jo Li
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$370,000
Interest Rate
4.46%
Mortgage Type
New Conventional
Purchase Details
Closed on
Oct 16, 1995
Sold by
Bankamerica National Trust Company Ny
Bought by
Mack Kevin Derek and Mack Carol Munoz
Purchase Details
Closed on
Feb 22, 1995
Sold by
Shirley Gary E and Shirley Esther G
Bought by
Bankamerica National Trust Company and Security Pacific National Trust Company
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Diamond Bar, CA
-
Karla Telleria
-
Megan Husri
Megan Husri
Responds QuicklyKeller Williams Studio City
(747) 279-3321
88 Total Sales
1 in Diamond Bar
$1,205,000 Price
-
Angela Xiao
Angela Xiao
Keller Williams Realty
(626) 254-6200
52 Total Sales
1 in Diamond Bar
$2,420,000 Price
-
Khanh Oberley
Khanh Oberley
Douglas Elliman of CA, Inc.
(424) 407-8581
43 Total Sales
1 in Diamond Bar
$910,000 Price
-
Alejandro Martinez
Alejandro Martinez
LPT Realty, Inc
(626) 593-8719
26 Total Sales
1 in Diamond Bar
$555,000 Price
-
Leticia Sotomayor
Leticia Sotomayor
Real Brokerage Technologies, I
(909) 731-8187
77 Total Sales
2 in Diamond Bar
$725K - $945K Price Range
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 |
|---|---|---|---|
| Deed | -- | None Listed On Document | |
| Grant Deed | $1,038,000 | Chicago Title | |
| Grant Deed | $915,000 | Old Republic Title Company | |
| Grant Deed | $740,000 | Fidelity National Title Co | |
| Grant Deed | $232,000 | Fidelity Title | |
| Trustee Deed | $259,000 | First Southwestern Title |
Source: Public Records
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 | $526,000 | New Conventional | |
| Previous Owner | $530,000 | Stand Alone Refi Refinance Of Original Loan | |
| Previous Owner | $538,000 | Adjustable Rate Mortgage/ARM | |
| Previous Owner | $500,000 | Credit Line Revolving | |
| Previous Owner | $370,000 | New Conventional | |
| Previous Owner | $370,000 | New Conventional | |
| Previous Owner | $540,000 | Stand Alone First | |
| Previous Owner | $50,000 | Credit Line Revolving | |
| Previous Owner | $395,000 | Stand Alone First | |
| Previous Owner | $208,750 | Unknown | |
| Previous Owner | $50,000 | Stand Alone Second | |
| Previous Owner | $212,000 | Unknown |
Source: Public Records
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 |
|---|---|---|---|---|---|
| 07/17/2026 07/17/26 | Sold | $1,589,000 | +6.0% | $566 / Sq Ft | |
| 06/17/2026 06/17/26 | Pending | -- | -- | -- | |
| 06/09/2026 06/09/26 | For Sale | $1,499,000 | +44.4% | $534 / Sq Ft | |
| 09/01/2017 09/01/17 | Sold | $1,038,000 | 0.0% | $370 / Sq Ft | View Prior Sale |
| 08/01/2017 08/01/17 | Pending | -- | -- | -- | |
| 07/27/2017 07/27/17 | Price Changed | $1,038,000 | -1.9% | $370 / Sq Ft | |
| 07/06/2017 07/06/17 | For Sale | $1,058,000 | -- | $377 / Sq Ft |
Source: California Regional Multiple Listing Service (CRMLS)
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 | $14,753 | $1,204,679 | $588,297 | $616,382 |
| 2025 | $14,753 | $1,181,059 | $576,762 | $604,297 |
| 2024 | $14,085 | $1,157,902 | $565,453 | $592,449 |
| 2023 | $13,744 | $1,135,199 | $554,366 | $580,833 |
| 2022 | $13,460 | $1,112,942 | $543,497 | $569,445 |
| 2021 | $13,211 | $1,091,121 | $532,841 | $558,280 |
| 2019 | $12,790 | $1,058,760 | $517,038 | $541,722 |
| 2018 | $12,303 | $1,038,000 | $506,900 | $531,100 |
| 2016 | $10,843 | $947,513 | $465,576 | $481,937 |
| 2015 | $10,911 | $933,281 | $458,583 | $474,698 |
| 2014 | $10,917 | $915,000 | $449,600 | $465,400 |
Source: Public Records
Agents Affiliated with this Home
-
Anna Yang
Seller's Agent in 2026
Anna Yang
New Star Realty & Inv.
(909) 282-7307
105 Total Sales
-
Brian Yang
Seller Co-Listing Agent in 2026
Brian Yang
New Star Realty & Inv.
(626) 978-0181
62 Total Sales
-
ZHUN HUANG
Buyer's Agent in 2026
ZHUN HUANG
Universal Elite Inc.
(909) 570-0058
71 Total Sales
-
Yang Feng
YF
Buyer Co-Listing Agent in 2026
Yang Feng
Universal Elite Realty
(626) 782-1374
26 Total Sales
-
Mary Chou
Seller's Agent in 2017
Mary Chou
RE/MAX
(626) 913-6398
30 Total Sales
-
CO
Buyer's Agent in 2017
Carol Ortega
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26125566
APN: 8714-011-013
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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