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Back 21040 Ambushers St
Off Market

21040 Ambushers St

Diamond Bar CA 91765

4
3
3
2805 sq. ft.
22675 sq. ft.
Single-Family
Last sold for $1,589,000
Anna YangAnna Yang, last sold this property on 17 July 2026 after 37 days on market.

Overview

Entertainer’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!

Features

4 bedrooms
3 bathrooms
3 carspaces
3 garage spaces
2805 sq. ft. floor area
22675 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Diamond Bar over the last 12 months, the estimated median property value of 21040 Ambushers St is $1.24m.

Median value
$1.24m
Estimated value range
$765k - $2.55m
Median days on market
11
Estimated value trend
3%
increase over the last 12 months
Average days on market is based on recent, comparable sales in Diamond Bar. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 21040 Ambushers St

2026
Sold
$1,589,000
17 Jul 2026 by Anna Yang, of New Star Realty & Inv.
2017
Sold
$1,038,000
01 Sep 2017 by Mary Chou, of Re/Max 2000 City of Industry California

Happy sellers in Diamond Bar

~%

We have insufficient information to provide an overview of customer satisfaction for Diamond Bar. Viewing the agent profiles, reviews and sales for Diamond Bar can provide insights for this location.

Local market activity for 4 bedroom single-family properties in Diamond Bar

In the last 12 months, 132 four-bedroom single-family properties similar to 21040 Ambushers St, have been sold.

This represents a 3% increase in four-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Diamond Bar

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Mauricio Rodriguez

Mauricio Rodriguez is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (1 review)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
View profile
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Lan "Gloria" Xiao

Lan "Gloria" Xiao is an award winning recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (110 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
View profile
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Stanley Escobar

Stanley Escobar is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (33 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
View profile
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George Najem

George Najem is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (4 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
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