2855 Oak Knoll Drive Diamond Bar CA 91765 | MLS #TR26164654
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!
Property Details
Price:
$6,980,000
MLS #:
TR26164654
Status:
Active
Beds:
6
Baths:
6.5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Aug 11, 2026
Finished Sq Ft:
11,000
Lot Size:
61,952 sqft / 1.42 acres (approx)
Year Built:
2006
PoolTennisCommunity Gated616 – Diamond Bar616diamondbarWalnut Valley UnifiedDiamond Bar
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Schools
School District:
Walnut Valley Unified
High School:
Diamond Bar
Interior
Appliances
Double Oven, Gas Oven, Warming Drawer, Gas Cooktop, Water Line to Refrigerator, Water Softener, Range Hood, Built-In Range, Refrigerator, Barbecue, Freezer, 6 Burner Stove, Dishwasher, Vented Exhaust Fan, Microwave
Bathrooms
6 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Flooring
See Remarks, Stone, Wood, Laminate
Heating
Fireplace(s), Zoned, See Remarks, Central
Interior Features
Crown Molding, Wet Bar, Bar, Balcony, Quartz Counters, Furnished, Dry Bar, High Ceilings, Pantry, Recessed Lighting, Wired for Sound, Granite Counters
Laundry Features
Inside, Gas Dryer Hookup, Laundry Room, Washer Hookup, See Remarks
Levels
Two
Main Level Bathrooms
2
Main Level Bedrooms
1
Exterior
Accessibility Features
Parking, See Remarks
Architectural Style
See Remarks, Custom Built
Association Amenities
Spa/Hot Tub, Trail(s), Security, Management, Pet Rules, Tennis Court(s), Pickleball, Pool, Other Courts, Insurance, Barbecue, Clubhouse, Controlled Access, Meeting Room, Maintenance Grounds, Sport Court, Other, Guard, Fitness Center, Playground
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Horse Trails, Hiking, Sidewalks, Suburban, Park
Construction Materials
Concrete, Other, Stucco, Stone
Covered Spaces
4
Direction Faces
East
Exterior Features
Barbecue, Lighting
Fencing
See Remarks, Wrought Iron
Garage Spaces
4
Lot Features
Sprinklers In Front, Lot Over 40000 Sqft, Sprinklers On Side, Level with Street, Landscaped, Level, Sprinklers Timer, Front Yard, Garden, Sprinkler System, Lawn, Sprinklers In Rear
Other Structures
Sauna Private, Guest House, Guest House Detached, Gazebo
Parking Features
Garage, Concrete, Garage Door Opener, See Remarks
Parking Spots
4
Parking Total
4
Patio And Porch Features
Covered, Terrace, Cabana, Porch, See Remarks, Patio Open, Patio, Deck
Roof
Tile
Security Features
Carbon Monoxide Detector(s), Wired for Alarm System, 24 Hour Security, Security Lights, Security System, Smoke Detector(s), Gated with Guard, Gated Community
Spa Features
Permits, Private, Above Ground
Stories
2
View
Mountain(s), Trees/Woods, Neighborhood, Hills
Window Features
Drapes, Custom Covering, Blinds
Financial
HOA Fee
$350
HOA Fee Frequency
Monthly
HOA Name
Country Estates Assoc
HOA Phone
9098614114
Map
Community
- Address2855 Oak Knoll Drive Diamond Bar CA
- CityDiamond Bar
- CountyLos Angeles
- Zip Code91765
Market Summary
Current real estate data for Single Family in Diamond Bar as of Oct 19, 2026
118
Single Family Listed
91
Avg DOM
527
Avg $ / SqFt
$1,776,616
Avg List Price
Property Summary
- 2855 Oak Knoll Drive Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $6,980,000 and features 6 beds, 7 baths, and has approximately 11,000 square feet of living space, and was originally constructed in 2006. The current price per square foot is $635. The average price per square foot for Single Family listings in Diamond Bar is $527. The average listing price for Single Family in Diamond Bar is $1,776,616. To schedule a showing of MLS#tr26164654 at 2855 Oak Knoll Drive in Diamond Bar, CA, contact your Compass agent at 310.409.7242.
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Courtesy of Country Queen Real Estate. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.2855 Oak Knoll Drive
Diamond Bar, CA
