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$1,200,000 Sale Pending

  • For Sale
  • Pending
  • Single Family
  • 4 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 2,268 Sq. Ft.
  • 2 Car Garage
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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 create a dream retreat. The primary bathroom has custom tile throughout with a large walk-in shower with glass doors. There is a lovely skylight for ambient lighting and a massive walk-in and walk-through closet with a custom storage system. There are three other spacious bedrooms and a bright hall bathroom as well. Enjoy the newer dual-pane vinyl windows (2020) and relax in the climate-controlled environment thanks to the 2022 HVAC system. Tesla solar system installed in 2014 on the 2022 roof! More than just a property, this home has been lovingly cared for and updated - ready for you to enjoy!

Full Property Details for 21128 Trigger

General

  • Price: $1,200,000
  • Status: Pending
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: PW25184476
  • Updated: 12/22/2025
  • Days on Market: 151 days
  • Added to Site: 158 day(s) ago

Interior

  • Rooms/Areas: All Bedrooms Down, Family Room, Kitchen, Main Floor Bedroom, Main Floor Primary Bedroom, Primary Bathroom, Primary Bedroom, Primary Suite, Separate Family Room, Walk-In Closet, Walk-In Pantry
  • Interior Features: Ceiling Fan(s), Pantry, Storage, Unfurnished
  • Fireplace: Yes
  • Fireplace(s): Living Room, Raised Hearth
  • Eating Areas: Breakfast Counter/Bar, Family Kitchen, In Kitchen
  • Appliances: 6 Burner Stove, Built-In Range, Dishwasher, Double Oven, Disposal, Gas Oven, Gas Range, Gas Water Heater, Microwave, Range Hood, Refrigerator, Vented Exhaust Fan, Water Heater, Water Line to Refrigerator, Water Softener
  • Flooring: Carpet, Laminate, Tile

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 1
  • 3/4 Bathrooms: 1

Bedrooms

  • Total Bedrooms: 4

Other Rooms

  • Laundry: In Garage

Additional Information

  • Pool Description: None
  • Spa Description: None

Exterior

  • Deck/Patio: Concrete, Covered, Patio, Porch, Front Porch

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Parking: Garage (Direct Access), Driveway, Concrete, Paved, Driveway Up Slope From Street, Garage, Garage Faces Front, Garage (Single Door), Garage Door Opener

Location

  • County: Los Angeles
  • Driving Directions: Fallow Field to Trigger and make a left. Property is on the left. Please watch for street sweeping.
  • Direction Faces: East

School Information

  • School District: Walnut Valley Unified
  • Elementary School: CASROC
  • Middle School: SOUPOI
  • High School: DIABAR

Community

  • Community Features: Curbs, Gutters, Sidewalks, Storm Drains, Street Lights, Suburban

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central, Wood Stove

Utilities

  • Sewer: Public Sewer, Sewer Paid
  • Water: Public

Structural Information

  • Architectural Style: Ranch
  • Structure Type: Single Family Residence
  • Construction: Stone Veneer, Stucco, Wood Siding
  • Foundation: Slab
  • Roof: Composition
  • Common Walls: No Common Walls
  • Windows: Skylight(s)
  • Disability Access: 2 or More Accessible Exits, Low-Pile Carpeting
  • Entry Location: 1
  • Stories/Levels: One
  • Stories Description: One
  • Square Feet: 2,268
  • Sq. Ft. Source: Assessor
  • Year Built: 1964
  • Year Built Source: Assessor
  • Property Condition: Updated/Remodeled

Lot Features

  • Property View: Canyon, Hills, Neighborhood
  • Lot Size (Acres): 0.242
  • Lot Size (Sq. Ft.): 10,542
  • Lot Size Source: Assessor
  • Irrigation System: Sprinkler System
  • Lot Description: 0-1 Unit/Acre, Back Yard, Front Yard, Landscaped, Lawn, Lot 10000-19999 Sqft, Rectangular Lot, Park Nearby, Sprinkler System, Sprinklers in Front, Manual Sprinklers, Sprinklers Timer, Slopes Up from Street, Utilities - Overhead, Yard
  • Fencing (Description): Block, Wood

Financial Considerations

  • Price Per Sq. Ft.: $529.1

Disclosures and Reports

  • Special Conditions: Trust
Buyer's Brokerage Compensation: Contact Listing Agent
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NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Price & Sales History for 21128 Trigger Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/06/2025
Price Reduced
$1,200,000
-4%
MLS
8/15/2025
Listed
$1,249,999
—
MLS
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Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 21128 Trigger

Year
Property Taxes
Change
Tax Assessment
Change
2025
$4,058
12%
$270,250
4%
2023
$3,618
2%
$259,758
2%
2022
$3,541
2%
$254,666
2%
2021
$3,466
1%
$249,673
1%
2020
$3,423
2%
$247,114
2%
2019
$3,361
6%
$242,269
2%
2018
$3,173
4%
$237,519
2%
2017
$3,037
4%
$232,863
2%
2016
$2,931
—
$228,298
2%
2015
$2,945
—
$224,870
2%
2014
$2,953
1%
$220,466
—
2013
$2,923
—
$219,471
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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21128 Trigger, Diamond Bar, CA 91765 (MLS# PW25184476) is a Single Family property with 4 bedrooms, 1 full bathroom and 1 partial bathroom. 21128 Trigger is currently listed for $1,200,000 and was received on August 15, 2025. This property is listed by Tracey Thorpe from our Long Beach Office.Want to learn more about 21128 Trigger? Do you have questions about finding other Single Family real estate for sale in Diamond Bar? You can browse all Diamond Bar real estate or contact a Coldwell Banker agent to request more information.

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