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2809 Oak Knoll Dr
Diamond Bar, CA 91765
Diamond Bar Area
Price:$5,388,000
$526.58 / Sq.Ft.
Bedroom:7Bathroom:8
Sq. Ft.:10,232Year Built:1998
Type:Single Family Residence, Detached
MLS #:TR25149954Status:Active
Listed:7/4/2025Modified:7/6/2025
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First time on the market. This exceptional estate, located in the prestigious gated community of The Country, spans two parcels and boasts 7 luxurious bedroom suites and 8 well-appointed bathrooms, offering unparalleled comfort and privacy. A dramatic two-story grand entry with a crystal chandelier welcomes you with a stunning double staircase leading to the upper level, setting an impressive tone upon arrival. The home features an elegant powder room conveniently located between the formal living room and spacious family room, making it ideal for entertaining. 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 a wet bar, cozy sitting area, and a richly appointed library. 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. Second floor hallway with wainscot paneling. The upstairs laundry room is conveniently located near all bedrooms, and a large storage room provides ample space for seasonal decor 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.
Rooms Amenities
  • 7 Bedrooms
  • 8 Full Baths
  • Bedrooms: Center Hall, Den, Family Room, Formal Entry, Guest/Maid's Quarters, Living Room, Main Floor Bedroom, Master Suite, Walk-In Pantry
  • Dining: Breakfast Nook, Formal Dining Room
  • View: Canyon
 
  • # of Garages: 4
  • Pool: Private, Gunite, In Ground
  • Spa: Gunite, In Ground
  • Appliances: Built In Range, Convection Oven, Dishwasher, Garbage Disposal, Gas Oven, Gas Range, Gas Water Heater, Range/Stove Hood, Refrigerator, Water Heater Unit
Interior Exterior/Structural
  • Heating: Central Furnace, Fireplace, Natural Gas
  • Cooling: Central, See Remarks
 
  • Style: Custom Built
  • Patio: Patio
Lot Description Community/Association
  • Lot Sq. Ft.: 38,166
  • Acres: 0.876
 
  • LA County
  • Area: Diamond Bar
  • School District: Walnut Valley Unified
  • HOA: $308 +
Price Information Listing Information
  • Current Price: $5,388,000
  • Original Price: $5,388,000
  • Price/Sq. Ft.: $526.58
 
  • List Type: Standard
  • Listed Date: 7/4/2025
  • Modified Date: 7/6/2025
Listing Agent Listing Office
Sanne Lee
626-823-1572
 A + Realty & Mortgage
 
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  Need Help?
Michelle Kwon
Michelle Kwon
DRE# 01361657
Call 714-335-0500
to refer to MLS # TR25149954
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The information above, though secured from sources believed to be reliable, cannot be guaranteed. The buyer should independently verify this information to his/her satisfaction. Coldwell Banker Best Realty may or may not be the listing broker of this property. In either case, where allowed by law, Coldwell Banker Best Realty can represent you in the purchase of this property.

Based on information from California Regional Multiple Listing Service, Inc. as of 7/6/2025. 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.

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