$4,880,000 - 2809 Oak Knoll Drive, Diamond Bar

  • 7Beds
  • 8Baths
  • 10,232SQ. Feet
  • 1.08Acres

Diamond Bar Home For Sale

This exceptional estate, with original owner, located in the prestigious gated community of The Country, spans two parcels and boasts six luxurious bedroom suites, offering unparalleled comfort and privacy. An office with a full bath that can be used as the second downstairs bedroom suite, and an elegant, well-appointed powder room conveniently located between the formal living room and spacious family room, making it ideal for entertaining. A dramatic two-story grand entry with a crystal chandelier welcomes you. Wide double staircases leading to different sections of the upper level set an impressive tone upon arrival. The formal living and dining rooms provide generous spaces for gatherings, while the family room is equipped with a custom-built-in entertainment center and is seamlessly connected to the large open kitchen, breakfast nook, a couple of cozy conversation sitting areas, and a gorgeous wet bar with a table for wine tasting. The gourmet kitchen is a chef’s dream, complete with dual center islands, custom cabinetry, and an adjoining wok kitchen for added culinary flexibility. Enjoy casual dining in the bright breakfast nook, perfectly situated off the open kitchen layout. Designed for both everyday living and grand entertaining, this home offers a thoughtfully designed floor plan that encourages flow and connection. Crown molding throughout the home. Wide and open upper-floor hallway with wainscot paneling. The upstairs laundry room is conveniently located near all bedrooms, and a bedroom-sized storage room provides ample space for seasonal décor and miscellaneous items. An expansive bonus area with paneled ceiling and walls is ideal for billiards, gaming tables, or displaying collectibles, offering endless opportunities for leisure and personalization. Custom window coverings throughout the home add a refined finishing touch. Outside, the professionally landscaped grounds are a true oasis, featuring a resort-style pool and spa, gazebo, fire pit, flagstone walkways, tastefully placed plants, flowers, and many mature trees, plus a large grassy area perfect for recreation or relaxation. A four-car garage with built-in cabinetry ensures ample parking and organized storage. This residence combines elegant design, practical functionality, and luxurious amenities — perfect for those who love to entertain and live in comfort.

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • AmenitiesClubhouse, Tennis Court(s), Controlled Access, Guard, Management, Security
  • UtilitiesCable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected, Phone Connected
  • Parking Spaces4
  • # of Garages4
  • ViewCanyon
  • Has PoolYes
  • PoolGunite, In Ground, Private

School Information

  • DistrictWalnut Valley Unified

Essential Information

  • MLS® #TR25177839
  • Price$4,880,000
  • Bedrooms7
  • Bathrooms8.00
  • Full Baths8
  • Square Footage10,232
  • Acres1.08
  • Year Built1998
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleCustom
  • StatusActive Under Contract
  • Listing AgentSanne Lee
  • Listing OfficeA + Realty & Mortgage

Exterior

  • Exterior FeaturesFire Pit
  • Lot DescriptionBack Yard

Additional Information

  • Date ListedAugust 6th, 2025
  • Days on Market255
  • ZoningLCR120000-A2-1
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address2809 Oak Knoll Drive
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Interior

  • InteriorCarpet, Wood, Stone
  • Interior FeaturesWet Bar, Separate/Formal Dining Room, Granite Counters, High Ceilings, Open Floorplan, Storage, Bedroom on Main Level, Primary Suite, Walk-In Closet(s), Balcony, Bar, Breakfast Area, Built-in Features, Crown Molding, In-Law Floorplan, Multiple Staircases, Paneling/Wainscoting, Pantry, Two Story Ceilings, Walk-In Pantry
  • AppliancesBuilt-In Range, Dishwasher, Disposal, Gas Oven, Gas Range, Gas Water Heater, Refrigerator, Water Heater, Convection Oven, Range Hood
  • HeatingCentral, Fireplace(s), Natural Gas
  • CoolingCentral Air, See Remarks
  • FireplaceYes
  • FireplacesLiving Room, Family Room, Primary Bedroom
  • # of Stories2
  • StoriesTwo

Price Change History for 2809 Oak Knoll Drive, Diamond Bar, (MLS® #TR25177839)

Date Details Price Change
Active Under Contract (from Active)

Similar Type Properties to TR25177839, 2809 Oak Knoll Drive, Diamond Bar

Back to Results

Diamond Bar 2917 Wagon Train Lane

$3,998,800
Diamond Bar,
7 Beds
8 Baths
8,018 SqFt
10 Days On Market
Area: 616 - Diamond Bar

Diamond Bar 2945 Steeplechase Lane

$4,580,000
Diamond Bar,
5 Beds
6 Baths
6,257 SqFt
275 Days On Market
Community:

Diamond Bar 22189 Rim Fire Lane

$3,980,000
Diamond Bar,
5 Beds
6 Baths
6,352 SqFt
318 Days On Market
Community:

Diamond Bar 2820 Shadow Canyon Drive

$4,200,000
Diamond Bar,
8 Beds
9 Baths
8,264 SqFt
66 Days On Market
Community:

Similar Neighborhoods to "" in Diamond Bar, California

Back to Results

616 - Diamond Bar

  • City:
    Diamond Bar
  • Price Range:
    $299,500 - $7,990,000
  • Current Listings:
    139
  • HOA Dues:
    $245
  • Average Price per Square Foot:
    $568

  • City:
    Diamond Bar
  • Price Range:
    $299,500 - $7,990,000
  • Current Listings:
    140
  • HOA Dues:
    $241
  • Average Price per Square Foot:
    $568

Back to Search Results

Based on information from California Regional Multiple Listing Service, Inc. as of April 18th, 2026 at 9:59pm PDT. 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. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.