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$3,990,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 7 Full Baths
  • 6,726 Sq. Ft.
  • 4 Car Garage
  • Updated 9 days ago
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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 and spa, and a charming gazebo, all set against a backdrop of mesmerizing panoramic city lights and majestic mountain views. The park-like setting offers a peaceful escape, making it the perfect venue for both lively gatherings and quiet evenings under the stars. This beautiful and functional custom estate is more than a simple home, it is a statement of luxury, comfort, and impeccable taste in one of the most coveted communities.

Full Property Details for 1822 Diamond Knoll Ln

General

  • Price: $3,990,000
  • HOA FEE: $308/month
  • Status: Active
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: TR25029175
  • Updated: 4/7/2026
  • Days on Market: 432 days
  • Added to Site: 432 day(s) ago

Interior

  • Rooms/Areas: Formal Entry, Walk-In Closet, Primary Bedroom, Entry, Laundry, Office, Foyer, Living Room, Main Floor Bedroom, Family Room, Primary Bathroom
  • Interior Features: Crown Molding, Wet Bar, Bar, Built-in Features, High Ceilings, Recessed Lighting, Central Vacuum
  • Fireplace: Yes
  • Fireplace(s): Gas, See Remarks, Living Room, Family Room
  • Eating Areas: Breakfast Counter/Bar, Dining Room, See Remarks, Breakfast Nook
  • Appliances: Gas Water Heater, Double Oven, Gas Oven, Warming Drawer, Gas Cooktop, Range Hood, Built-In Range, Refrigerator, Freezer, Gas Range, Disposal, 6 Burner Stove, Dishwasher, Vented Exhaust Fan, Microwave, Water Heater
  • Flooring: See Remarks, Wood

Rooms

Bathrooms

  • Total Bathrooms: 7
  • Full Bathrooms: 7

Bedrooms

  • Total Bedrooms: 6

Other Rooms

  • Laundry: Inside, Gas Dryer Hookup, Individual Room, Washer Hookup, See Remarks

Additional Information

  • Shared Amenities: Hiking Trails, Picnic Area, Security, Management, Biking Trails, Horse Trails, Pickleball, Pool, Outdoor Cooking Area, Controlled Access, Clubhouse, Meeting Room, Sport Court, Other, Guard, Playground
  • Pool: Yes
  • Pool Description: Association, In-Ground, Private
  • Spa Description: In-Ground, Private

Exterior

  • Deck/Patio: Covered

Parking

  • Garage: Yes
  • Garage Spaces: 4
  • Parking: Garage, Garage (Direct Access), Driveway, Garage Door Opener, See Remarks

Location

  • County: Los Angeles
  • Driving Directions: Grand Gate, Turn onto Shotgun, which turns into Derringer, Turn Right onto Diamond Knoll, Home will be on the R-hand side

School Information

  • School District: Walnut Valley Unified
  • Elementary School: QUASUM
  • Middle School: CHAPAR2
  • High School: DIABAR

Community

  • Community Features: Hiking, Park
  • Assoc. Name: PMP Management

Heating & Cooling

  • Cooling Type: Central Air, See Remarks
  • Heating Type: Fireplace(s), Central

Utilities

  • Sewer: Public Sewer
  • Water: See Remarks, Public

Structural Information

  • Architectural Style: See Remarks, Custom-Built
  • Structure Type: Single Family Residence
  • Construction: Stucco
  • Foundation: Slab
  • Roof: Tile
  • Common Walls: No Common Walls
  • Windows: Double-Pane Windows, Drapes, Blinds
  • Entry Location: 1
  • Stories/Levels: Two
  • Stories Description: Two
  • Square Feet: 6,726
  • Sq. Ft. Source: Assessor
  • Year Built: 1994
  • Year Built Source: Assessor
  • Property Condition: Turnkey, Updated/Remodeled

Lot Features

  • Property View: Mountain(s), City Lights, Neighborhood, Hills, Panoramic
  • Lot Size (Acres): 0.9374
  • Lot Size (Sq. Ft.): 40,834
  • Lot Size Source: Assessor
  • Irrigation System: Sprinkler System
  • Zoning: LCR1
  • Lot Description: Lot Over 40000 Sqft, Level with Street, Landscaped, Sprinklers Timer, Front Yard, Garden, Back Yard, Corners Marked
  • Fencing (Description): Wrought Iron

Financial Considerations

  • Price Per Sq. Ft.: $593.22
  • Association Fee: $308
  • Assoc Fee Freq.: Monthly

Disclosures and Reports

  • Special Conditions: Standard

Listed by Country Queen Real Estate, Diana Cheng and Country Queen Real Estate, Juliet Chung

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Listing agents

— 1822 Diamond Knoll Ln —

  • Diana Cheng

    Country Queen Real Estate

  • Juliet Chung

    Country Queen Real Estate

909-208-4040

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 1822 Diamond Knoll Ln

School District:Walnut Valley Unified School District
NameGradesDistance
Evergreen Elementary School, Diamond Bar, CA
2450 S. Evergreen Springs, Diamond Bar, CA 91765
K-52 mi
Chaparral Middle School, Diamond Bar, CA
1408 Spruce Tree Drive, Diamond Bar, CA 91765
6-80.8 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-122.3 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 1822 Diamond Knoll Ln Get Price Alerts and Save Property

Date
Details
Price
Change
Source
2/08/2025
Listed
$3,990,000
195.56%
MLS
1/25/1995
Sold
$1,350,000
—
Public Record
Get Price Alerts and Save Property
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 1822 Diamond Knoll Ln

Year
Property Taxes
Change
Tax Assessment
Change
2025
$29,348
8%
$2,350,669
4%
2023
$27,225
2%
$2,259,391
2%
2022
$26,621
2%
$2,215,090
2%
2021
$26,126
1%
$2,171,658
1%
2020
$25,791
2%
$2,149,391
2%
2019
$25,294
4%
$2,107,247
2%
2018
$24,211
5%
$2,065,929
2%
2017
$23,085
3%
$2,025,422
2%
2016
$22,392
-1%
$1,985,709
2%
2015
$22,539
—
$1,955,883
2%
2014
$22,556
1%
$1,917,571
—
2013
$22,393
—
$1,908,905
—
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.

Estimate the Cost for 1822 Diamond Knoll Ln

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by Country Queen Real Estate, Diana Cheng and Country Queen Real Estate, Juliet Chung

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1822 Diamond Knoll Lane, Diamond Bar, CA 91765 (MLS# TR25029175) is a Single Family property with 6 bedrooms and 7 full bathrooms. 1822 Diamond Knoll Lane is currently listed for $3,990,000 and was received on February 08, 2025. Want to learn more about 1822 Diamond Knoll Lane? 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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