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4 Beds
3 Baths
1,829 sqft

$1,020,000

21122 Trigger, DIAMOND BAR CA, 91765

Price per sqft$557.68
Built in1964
Property size1,829 sqft
Property typeResidential

Overview

Active

Listed Nov 2, 2026

Updated 15h ago

Presenting a wonderful opportunity to own a home in the desirable city of Diamond Bar, located within the highly regarded Walnut Valley Unified School District. Built in 1964, this 4-bedroom, 2.5-bathroom split-level residence offers approximately 1,829 sq. ft. of living space on an expansive 10,281 sq. ft. lot. The functional split-level floor plan offers comfortable living spaces and a practical layout. The primary suite features a private balcony, offering a peaceful place to relax and enjoy the surroundings. The generously sized lot offers exceptional outdoor potential, with ample space for entertaining, gardening, outdoor dining, or creating your own private retreat. Whether you are an investor, contractor, or buyer looking to customize a home to your own taste, this property presents an exciting opportunity to add value and bring your vision to life. Conveniently located near shopping, dining, parks, and everyday amenities, this property combines a desirable location, generous lot size, and tremendous potential. Don't miss this opportunity to create your dream home in Diamond Bar and become part of the sought-after Walnut Valley Unified School District!

$6,786/mo

Est. mortgage payment based on a $1,020,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
PW26237117MR

Interior Features

Bedrooms
4
Bathrooms
3
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.24 Acres

Other Property Details

View
Yes

Also listed on CRMLS

Listed by Youngmi Son with Cubemax International Corp.
Listing Contact: 714-319-8171 

Based on information from The MLSTM / Combined LA/Westside Multiple Listing Service, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use, it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All information is deemed reliable but not guaranteed and should be independently reviewed and verified. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. All properties are subject to prior sale, change or withdrawal, and may or may not be listed by the office/agent presenting the information. Neither listing broker(s) nor Karina Barragar shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. 

©2026 Combined L.A./Westside MLS. All rights reserved.

Data last updated 11/8/2026

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