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1822 Diamond Knoll Lane Diamond Bar, CA 91765
$3,990,000 6 beds, 7 baths
6, 726 sqft
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Nestled in the prestigious enclave of The Country Estates, this stunning custom estate embodies refined luxury and timeless elegance. Sprawling over 6,726 square feet of meticulously designed living space, this two-story masterpiece offers six spacious bedrooms and seven exquisite bathrooms, ensuring ample room for both lavish entertaining and intimate family living. Upon entering the grand formal entryway, visitors are greeted by soaring ceilings, striking marble and hardwood floors, and an ambiance of stunning sophistication. The home's layout is thoughtfully arranged with an oversized living room, a gracious formal living area, and a welcoming family room that radiates warmth and charm. Every detail has been carefully curated and updated, from the entirely re-piped systems to the modernized, luxurious bathrooms. The gourmet kitchen is a chef's dream, equipped with top-of-the-line built-in appliances, a generous walk-in pantry, and elegant finishes that promise both functionality and style. Each spacious bedroom suite, including a lush primary retreat, provides a serene sanctuary with refined touches that enhance the sense of calm and comfort. The primary bedroom is spacious, completed with a fireplace, huge walk-in closet, covered viewing deck, marbled bathroom with large vanity, dual sinks, walk-in shower, separate soaking tub, private commode, and magnificent views. Beyond the interior, the property truly shines. Step outside into a breathtaking landscape designed for entertaining and relaxation. The expansive grounds feature a private putting green, a sparkling pool a

Listing Details

Property type: Detached (Single Family)
Status: ACTIVE
MLS# TR25029175
List price is $3,990,000
HOA Fee is $308.00
Beds: 6
Baths: 7 (7 full)
FP in Family Room,FP in Living Room,Other/Remarks,Gas fireplaces
6,726 sqft
2 stories
0.94 acres
County: Los Angeles
Zoning: LCR1
Parking type: Direct Garage Access,Garage,Garage Door Opener
Construction: Stucco
Appliances: Dishwasher,Disposal,Microwave,Refrigerator,6 Burner Stove,Double Oven,Freezer,Gas Oven,Gas Stove,Vented Exhaust Fan,Gas Range
Parking description: Direct Garage Access,Garage,Garage Door Opener
Amenities: Biking Trails,Controlled Access,Guard,Hiking Trails,Meeting Room,Outdoor Cooking Area,Picnic Area,Playground,Sport Court,Horse Trails,Pool,Security
Heating description: Fireplace,Forced Air Unit

Last Updated: 6/12/2026

 Find more Diamond Bar homes and real estate

 Find more homes in 91765 zip code

Lat/Long: 33.993513, -117.805453.
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Listing Agent: Diana Cheng
Co Listing Agent: Juliet Chung
Lic#: 01276603
Office Name: Tustin

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Area Overview

Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

Community Characteristics:

Occupancy Type

White/Blue Collar Jobs

Population by Gender

Hispanic/Non-Hispanic Population

Compared to National:

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18302 Irvine Blvd, Suite 240
Tustin, CA 92780
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