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$6,980,000
● House - For Sale

2855 Oak Knoll Drive

Diamond Bar, CA 91765
bedrooms
6 Beds
bathrooms
6 Baths, 1 Half Bath
square feet
11,000 Ft²
$34,623
Est. Monthly
$350
HOA / Fees

About This Property

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!
Unit Size
11,000 Ft²
Days on Market
91 days
Land Size
1.42 acres
Price per sqft
$635
Property Type
House
Property Taxes
-
HOA Dues
$350
Year Built
2006

Listed By

Diana Cheng
Country Queen Real Estate
Juliet Chung
Country Queen Real Estate

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Last updated: 3 months ago (CRMLS #TR26164654)

Price History

Date / Event Date Event Price
Aug 10, 2026 Listed by Country Queen Real Estate $6,980,000
Listed by Country Queen Real Estate
Aug 2, 2025 Listed $8,498,000
Listed
Absolutely no expense spared in this sprawling custom estate set behind the guard gates of The Country, a high security community offering the utmost privacy for the most discerning Buyer. With six bedrooms including dual primary suites, seven bathrooms, and boasting a strikingly authentic traditional Japanese dining room, custom wood paneled study, billiards/game room, and at just over 10,000 square feet, this home is the ideal family compound or entertainer's retreat. Truly the epitome of indoor/outdoor living, with walls of glass opening to a magnificent rear yard with features including a putting green, outdoor stage, charming koi pond, infinity edge pool and spa with sunken loungers, and a detached pool house with a dry and wet sauna. Set in one of the premier gated communities of Southern California, this estate melds expert modern craftsmanship with Mediterranean flare.

Property Highlights

Garage
Air Conditioning
Fireplace
With View
Parking Details
Has Garage
Attached Garage
Parking Features: Concrete, Garage, Garage Door Opener, See Remarks
Garage Spaces: 4
Interior Details
Half Bathrooms: 1
Full Bathrooms: 6
Interior Features: Wet Bar, Breakfast Bar, Crown Molding, Dry Bar, Eat-in Kitchen, Granite Counters, High Ceilings, Pantry, Recessed Lighting, Bar, Wired for Sound, Entrance Foyer, Balcony, BreakfastArea, SeparateFormalDiningRoom, Furnished, QuartzCounters, BedroomOnMainLevel, MultiplePrimarySuites, PrimarySuite, UtilityRoom
Appliances: Built-In Range, Double Oven, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Microwave, Refrigerator, Range Hood, Water Softener, Vented Exhaust Fan, Warming Drawer, SixBurnerStove, Barbecue
Flooring Type: Laminate, See Remarks, Stone, Wood
Door Features: DoubleDoorEntry, InsulatedDoors
Laundry Features: Washer Hookup, Gas Dryer Hookup, Inside, Laundry Room, See Remarks
Has Fireplace
Fireplace Features: Gas, Living Room, Bedroom
Exterior Details
Square Footage: 11000
Square Footage Source: $0
Security Features: Prewired, Security System, Carbon Monoxide Detector(s), Gated with Guard, Gated Community, 24 Hour Security, Smoke Detector(s), Security Lights
Property Condition: Updated/Remodeled, AdditionsAlterations, Turnkey
Architectural Style: See Remarks, Custom
Year Built Source: Estimated
Year Built: 2006
Levels: Two
Other Structures: Guest House, Gazebo, Cabana, GuestHouseDetached, SaunaPrivate
Window Features: Blinds, Drapes, CustomCoverings
Construction Materials: Other, Concrete, Stone, Stucco
Patio and Porch Features: Covered, Deck, Patio, Porch, See Remarks, Terrace, Open
Pool Features: Heated, In Ground, Private, See Remarks, Waterfall, Association, Pebble
Pool is Private
Lot Features: Front Yard, Garden, Sprinklers In Rear, Sprinklers In Front, Landscaped, Level, Lawn, LotOver40000Sqft, SprinklersTimer, SprinklersOnSide, SprinklerSystem, StreetLevel
Lot Size Area: 61952
Lot Size Units: Square Feet
Lot Size Acres: 1.4222
Lot Size Square Feet: 61952
Tax Lot: 14
Water Source: Public
Utilities Details
Cooling Type: Central Air
Heating Type: Central, Fireplace(s), See Remarks, Zoned
Sewer : Public Sewer
Location Details
HOA/Condo/Coop Amenities: Clubhouse, Sport Court, Fitness Center, Maintenance Grounds, Insurance, Meeting Room, Management, Other, Barbecue, Playground, Pool, Spa/Hot Tub, Security, Tennis Court(s), Trail(s), ControlledAccess, Pickleball, PetRestrictions, Guard
HOA Fee: $350
HOA Fee Frequency: Monthly

Building Info

Overview

    General

  • Year Built: 2006
  • Effective Year Built: 2006
  • Building Count: 1
  • Bedroom Count: 6
  • Bathroom Count: 7
  • Full Bathrooms: 7
  • Partial Bathrooms: 7
  • Building Condition: 0
  • Building Quality: 10
  • Construction Type: 17
  • Building Style: 0
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 8

    Dimensions

  • Lot Size Square Feet: 62,034
  • Total Building Area: 10,093
  • Building Area: 10,093
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 1
  • Heating: 3
  • Heated Square Feet: 10,093
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: 48487
  • Land Acres: 0000001424
  • Standard Land Use Code: 1001
  • County Land Use Code: 0100
  • Legal Description 1: TR=48487 LOT 14

Neighborhood

  • School District Name: Walnut Valley Unified School District
  • Census Tract: 403324

Zoning

  • Zoning: LCR120000-

Geography

  • Subdivision Tract Number: 48487
  • Parcel: 8713-021-029
  • Lot: 14
  • Municipality: EAST /N. DIAMOND BAR
  • Latitude: 33.9693
  • Longitude: -117.829

    Address

  • Full Address: 2855 Oak Knoll Dr
  • Address - House Number: 2855
  • Address - Street Name: Oak Knoll
  • Address - Suffix Type: Dr
  • State: CA
  • City Name: Diamond Bar
  • Carrier Code: C013
  • 4-Digit Zip Code: 3665
  • Zip Code: 91765

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $4,896,060
  • Tax Rate Code Area: 13-457

    Appraisal Valuation

  • Standard Deviation: 0.2247
  • Valuation Date: Mar 27, 2024
  • Confidence Score: 69
  • Final Value: 5,387,614
  • High Value: 6,598,295
  • Low Value: 4,176,932

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $4,211,656
  • Assessed Land Value: $1,978,474
  • Assessed Improvements Value: $2,233,182

    Sales

  • Current Sale Contract Date: Sep 18, 2014
  • Current Sale Recording Date: Sep 25, 2014
  • Current Sale Price:
  • Current Sale Document Type: 36
  • Current Sale Input Document Number: 14-1015595
  • Previous Sale Recording Date: Sep 02, 2005
  • Previous Sale Contract Date: Aug 19, 2005
  • Previous Sale Amount: $2,415,000
  • Previous Sale Document Type: 36
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Diamond Bar


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Frequently Asked Questions

When was property at 2855 Oak Knoll Drive built and last sold?
The property at 2855 Oak Knoll Drive was built in 2006 and last sold on Sep 18, 2014 for $3,388,000.
How much is this home worth?
The estimated value of the home located at 2855 Oak Knoll Drive is $7,049,800.
What are some comparable homes to 2855 Oak Knoll Drive?
There are currently no comparable homes to 2855 Oak Knoll Drive.