21128 Trigger, Diamond Bar, CA 91765 - Photo 1 of 35, Diamond Bar, CA
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Sold$1,200,000on Feb 23, 2026

21128 Trigger, Diamond Bar, CA 91765

Coldwell Banker Realty
4Beds
2Baths
2,268Sq Ft
4Parking
1964Built
107Days Listed

About This Property

This private Diamond Bar Ranch-style residence is situated on a large private lot in a cul-de-sac neighborhood. Gracious double-door entry to a large foyer leading to the step-down living room with a charming fireplace. The kitchen is a gorgeous 2021 remodel. Quartz countertops, tile backsplash, and recessed lighting wth an under-mount sink. Totally custom cabinetry, including a handy "lazy susan" corner cabinet. The culinary island includes ample seating, storage, a six-burner Thermador range, and an exhaust hood. Built-in Kitchen Aid double ovens with a top-of-the-line refrigerator, Thermador dishwasher, PLUS drawer-style microwave complete the appliance package. The center island offers ample storage for those small appliances and decor that are not often used. Speaking of storage, do not overlook the walk-in pantry installed in 2010 with custom shelving! The kitchen sewer line was sleeved in 2019. Direct access to the kitchen is from the two-car garage. You'll find the laundry, the water softener (paid for in 2020), and the oversized water heater (2022). Off the glamorous kitchen is a large dining area which opens to the family room for ease of entertaining. The family room has beamed vaulted ceilings and sliding doors to the covered patio. Remodeled in 2022, this patio space has newer concrete that spans the whole rear and side of the home. Also included in the 2022 remodel is fresh hardscape with seating and tiered planters with steps to the sloping hillside, ready for your gardening touch. The primary bedroom, bathroom, and one bedroom were reimagined in 2020 to crea

Property Location

Map

Property Details

Property Type
Detached
Bedrooms
4
Bathrooms
2
Building Area
2,268 Sqft
Living Area
2,268 sqft
Year Built
1964
Stories
1.0
Status
Sold
Days on Market
107
Cumulative Days on Market
104
Original Price
$1,249,999

Location & Neighborhood

Local schools, parks, transit, and amenity information is being gathered for this listing. Check back soon for detailed neighborhood insights.

Diamond Bar Market Snapshot

138

Active Listings

$1.1M

Median Price

81

Avg Days on Market

Last updated: Feb 24, 2026

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Listed by

Tracey Thorpe, Coldwell Banker Realty · 562-233-9982

Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.

$1,200,000