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Shawn Bengtson

Office Broker - DRE 01236964

  • Office 760-805-7199
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2855 Oak Knoll Drive, Diamond Bar – $6,980,000

  • 6 Beds
  • 7 Baths
  • 11,000 Sqft
  • 1.42 Acres
  • 6 Beds
  • 7 Baths
  • 11,000 Sqft
  • 1.42 Acres

2855 Oak Knoll Drive

Nestled in the serene embrace of the mountains within “The Country Estates”, this magnificent custom-built mansion & hidden gem within Diamond Bar's prestigious community, this home truly exudes timeless elegance and unparalleled tranquility in all senses. Beyond the 24 hour security guard-gated entrance, the community features welcome you, hinting at the beauty that awaits within. This luxury compound was beautifully crafted with meticulous attention to Feng Shui principles; All aspects of this home are thoughtfully designed to harmonize with its surroundings. Step inside to discover a world of refined living, where a formal living room with a cozy fireplace beckons relaxation & an intimate dining rm offers panoramic views of the lush & beautifully manicured gardens. In the heart of the home, a gourmet kitchen adorned with granite countertops & top-of-the-line appliances, invites culinary delights. On one wing, a spacious family rm & den with a wet bar provide ample space for leisure & entertainment, while a complete billiards room promises endless enjoyment.A true sanctuary awaits on the other side, where an authentic Japanese-style tea/master bedroom boasts a gracious bathroom and walk-in closet, offering a retreat from the everyday hustle and bustle. Iron security screen doors throughout, two impressive master bedrooms w/balconies & fireplaces offer sweeping vistas, while 3 junior suites ensure comfort & privacy for guests. For those seeking solitude, a full wood-paneled library offers a peaceful haven, overlooking the majestic mountainscapes. Renovated with noble materials throughout, this home epitomizes luxury, with over $2M invested in landscape upgrades, the addition of a 1,000SF clubhouse, amazing infinity pool & spa, & Jacuzzi. Indulge in the ultimate relaxation within, featuring a smart home system, gym, & natural wood sauna rm with a steam shower. As the sun sets, unwind in the exquisite backyard oasis, surrounded by mature palm trees & lush fruit trees. Entertain in style with a BBQ area, putting green, swing, elevated fire pit, and manicured Zen Garden, all illuminated by intricate lighting and sound systems. From intimate gatherings to grand celebrations, this home offers an unparalleled setting - experience the epitome of harmony, luxury-living, & peace, where every detail wad thoughtfully curated to elevate your lifestyle both indoors & outdoors. Welcome to your dream retreat-an oasis of luxury and serenity awaiting your arrival!

Essential Information

  • MLS® #TR26164654
  • Price$6,980,000
  • Bedrooms6
  • Bathrooms7.00
  • Full Baths6
  • Half Baths1
  • Square Footage11,000
  • Acres1.42
  • Year Built2006
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleCustom, See Remarks
  • StatusActive

Community Information

  • Address2855 Oak Knoll Drive
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Amenities

  • Parking Spaces4
  • # of Garages4
  • Has PoolYes

Amenities

Clubhouse, Controlled Access, Sport Court, Fitness Center, Maintenance Grounds, Insurance, Meeting Room, Management, Other Courts, Barbecue, Other, Playground, Pickleball, Pool, Pet Restrictions, Guard, Spa/Hot Tub, Security, Tennis Court(s), Trail(s)

Utilities

Electricity Connected, Natural Gas Connected, Sewer Connected, See Remarks, Water Connected

Parking

Concrete, Garage, Garage Door Opener, See Remarks

Garages

Concrete, Garage, Garage Door Opener, See Remarks

View

Hills, Mountain(s), Neighborhood, Trees/Woods

Pool

Heated, In Ground, Private, Waterfall, Association, Pebble, See Remarks

Interior

  • CoolingCentral Air
  • FireplaceYes
  • # of Stories2
  • StoriesTwo

Interior

Laminate, See Remarks, Stone, Wood

Interior Features

Wet Bar, Breakfast Bar, Balcony, Breakfast Area, Crown Molding, Dry Bar, Separate/Formal Dining Room, Eat-in Kitchen, Granite Counters, High Ceilings, Pantry, Quartz Counters, Recessed Lighting, Bar, Wired for Sound, Bedroom on Main Level, Entrance Foyer, Multiple Primary Suites, Primary Suite, Utility Room, Furnished

Appliances

SixBurnerStove, Built-In Range, Barbecue, Double Oven, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Microwave, Refrigerator, Range Hood, Vented Exhaust Fan, Water To Refrigerator, Warming Drawer, Water Softener

Heating

Central, Fireplace(s), See Remarks, Zoned

Fireplaces

Gas, Living Room, Primary Bedroom

Exterior

  • ExteriorConcrete, Stone, Stucco, Other
  • Exterior FeaturesBarbecue, Lighting, Fire Pit
  • RoofTile
  • ConstructionConcrete, Stone, Stucco, Other
  • FoundationSlab, Combination

Lot Description

Front Yard, Garden, Sprinklers In Rear, Sprinklers In Front, Lawn, Landscaped, Level, Sprinklers Timer, Sprinklers On Side, Sprinkler System, Street Level, Lot Over 40000 Sqft

Windows

Blinds, Custom Covering(s), Drapes

School Information

  • DistrictWalnut Valley Unified
  • HighDiamond Bar

Additional Information

  • Date ListedAugust 10th, 2026
  • Days on Market27
  • ZoningLCR120000-A2-1
  • HOA Fees350
  • HOA Fees Freq.Monthly

Listing Details

  • AgentDiana Cheng
  • OfficeCountry Queen Real Estate
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Diana Cheng, Country Queen Real Estate.

Based on information from California Regional Multiple Listing Service, Inc. as of September 6th, 2026 at 12:45pm 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.