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For sale
    • Listed by: Country Queen Real Estate • Diana Cheng • Contact: 909-208-4040
    $6,980,000

    2855 Oak Knoll Dr, Diamond Bar, CA 91765

    6beds
    11,088sqft
    : 
    $47,125/mo
    Get pre-qualified
    Single Family Residence
    Built in 2007
    1.42 Acres Lot
    $6,539,900 Zestimate®
    $630/sqft
    $350/mo HOA

    What's special

    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!
    192 days
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    343
    |
    17
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    Zillow last checked:

    Listing updated:

    Listed by:

    Diana Cheng DRE #00856071 909-208-4040,

    Country Queen Real Estate,

    Juliet Chung DRE #01887530 909-495-8589,

    Country Queen Real Estate

    Source: CRMLS,MLS#: TR26164654MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 8
      • Full bathrooms: 7
      • 1/2 bathrooms: 1
      • Main level bathrooms: 2
      • Main level bedrooms: 1
      Rooms
      • Room types: Bonus Room, Bedroom, Den, Entry/Foyer, Family Room, Foyer, Game Room, Laundry, Living Room, Primary Bathroom, Primary Bedroom, Other, Pantry, Sauna, Utility Room, Dining Room
      Primary bedroom
      • Features: Multiple Primary Suites
      Primary bedroom
      • Features: Primary Suite
      Bedroom
      • Features: Bedroom on Main Level
      Bathroom
      • Features: Bathroom Exhaust Fan, Bathtub, Stone Counters, Remodeled, Separate Shower, Vanity, Walk-In Shower
      Kitchen
      • Features: Granite Counters, Kitchen Island, Kitchen/Family Room Combo, Utility Sink
      Heating
      • Central, Fireplace(s), See Remarks, Zoned
      Cooling
      • Central Air
      Appliances
      • Included: 6 Burner Stove, Built-In Range, Barbecue, Double Oven, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Microwave, Refrigerator, Range Hood, Water Softener, Vented Exhaust Fan, Water To Refrigerator, Warming Drawer
      • Laundry: Washer Hookup, Gas Dryer Hookup, Inside, Laundry Room, See Remarks
      Features
      • Wet Bar, Breakfast Bar, Balcony, Breakfast Area, Crown Molding, Dry Bar, Separate/Formal Dining Room, Eat-in Kitchen, Furnished, 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
      • Flooring: Laminate, See Remarks, Stone, Wood
      • Doors: Double Door Entry, Insulated Doors
      • Windows: Blinds, Custom Covering(s), Drapes
      • Has fireplace: Yes
      • Fireplace features: Gas, Living Room, Primary Bedroom
      • Furnished: Yes
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 11,088 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 4
      • Parking features: Concrete, Garage, Garage Door Opener, See Remarks
      • Attached garage spaces: 4
      Accessibility
      • Accessibility features: Parking, See Remarks
      Features
      • Levels: Two
      • Stories: 2
      • Entry location: 1
      • Patio & porch: Covered, Deck, Open, Patio, Porch, See Remarks, Terrace
      • Exterior features: Barbecue, Lighting, Fire Pit
      • Has private pool: Yes
      • Pool features: Heated, In Ground, Pebble, Private, See Remarks, Waterfall, Association
      • Has spa: Yes
      • Spa features: Above Ground, Permits, Private
      • Fencing: See Remarks,Wrought Iron
      • Has view: Yes
      • View description: Hills, Mountain(s), Neighborhood, Trees/Woods
      Lot
      • Size: 1.42 Acres
      • Features: Front Yard, Garden, Sprinklers In Rear, Sprinklers In Front, Lawn, Lot Over 40000 Sqft, Landscaped, Level, Sprinklers Timer, Sprinklers On Side, Sprinkler System, Street Level
      Details
      • Additional structures: Guest House Detached, Guest House, Gazebo, Sauna Private, Cabana
      • Parcel number: 8713021029
      • Zoning: LCR120000-A2-1
      • Special conditions: Standard
      • Horse amenities: Riding Trail

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Custom,See Remarks
      • Property subtype: Single Family Residence
      Materials
      • Other, Concrete, Stone, Stucco
      • Foundation: Combination, Slab
      • Roof: Tile
      Condition
      • Additions/Alterations,Updated/Remodeled,Turnkey
      • New construction: No
      • Year built: 2007

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Electricity Connected, Natural Gas Connected, Sewer Connected, See Remarks, Water Connected

      Community & HOA

      Community
      • Features: Hiking, Horse Trails, Park, Suburban, Sidewalks, Gated
      • Security: Prewired, Security System, Carbon Monoxide Detector(s), Gated with Guard, Gated Community, 24 Hour Security, Smoke Detector(s), Security Lights
      HOA
      • Has HOA: Yes
      • Amenities included: 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)
      • HOA fee: $350 monthly
      • HOA name: Country Estates Assoc
      • HOA phone: 909-861-4114
      Location
      • Region: Diamond Bar

      Financial & listing details

      • Price per square foot: $630/sqft
      • Tax assessed value: $4,381,804
      • Annual tax amount: $53,929
      • Date on market: 8/10/2026
      • Cumulative days on market: 192 days
      • Listing terms: Cash,Cash to New Loan
      • Inclusions: Most furnishings
      • Exclusions: personal items

        Estimated market value

        $6,539,900

        $6.21M - $6.87M

        $7,560/mo

        Price history

        DateEventPrice
        8/12/2026Listed for sale$6,980,000-9.2%$630/sqft
        Source: CRMLS #TR26164654 Report a problem
        7/13/2026Listing removed$7,688,000$693/sqft
        Source: CLAW #26633281 Report a problem
        1/7/2026Price change$7,688,000-9.5%$693/sqft
        Source: CLAW #26633281 Report a problem
        8/2/2025Listed for sale$8,498,000+150.8%$766/sqft
        Source: CLAW #25564387 Report a problem
        9/25/2014Sold$3,388,000-8.4%$306/sqft
        Source: Public Record Report a problem
        9/14/2014Pending sale$3,698,000$334/sqft
        Source: Country Queen Real Estate #TR14176471 Report a problem
        8/22/2014Price change$3,698,000-4.4%$334/sqft
        Source: Country Queen Real Estate #TR14176471 Report a problem
        3/28/2014Price change$3,869,000-3.3%$349/sqft
        Source: ReMax 2000 Realty #TR14061713 Report a problem
        1/11/2014Price change$3,999,888-4.8%$361/sqft
        Source: RE/MAX 2000 #TR14006926 Report a problem
        10/17/2013Price change$4,199,888-6.7%$379/sqft
        Source: RE/MAX 2000 #TR13142727 Report a problem
        8/29/2013Price change$4,499,988-7.9%$406/sqft
        Source: RE/MAX 2000 #TR13142727 Report a problem
        7/21/2013Listed for sale$4,888,000+44.3%$441/sqft
        Source: ReMax 2000 Realty #TR13142727 Report a problem
        6/18/2012Listing removed$3,388,000$306/sqft
        Source: RE/MAX 2000 #H12008195 Report a problem
        1/19/2012Listed for sale$3,388,000+40.3%$306/sqft
        Source: Re/Max 2000 Realty #H12008195 Report a problem
        9/2/2005Sold$2,415,000$218/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$53,929 +5.1%$4,381,804 +2%
        2024$51,330 +2.6%$4,295,888 +2%
        2023$50,031 +2.2%$4,211,656 +2%
        2022$48,961 +1.9%$4,129,076 +2%
        2021$48,064 +1.3%$4,048,115 +1%
        2020$47,444 $4,006,607 +2%
        2019$47,444 +6%$3,928,047 +2%
        2018$44,766 $3,851,027 +9.8%
        2017$44,766 +12.7%$3,508,458 +2%
        2016$39,730 +3%$3,439,666 +1.5%
        2015$38,556 +23.1%$3,388,000 +27.3%
        2014$31,312 $2,661,297 +2.5%
        2012-- $2,597,325 +2%
        2011-- $2,546,398 +0.8%
        2010-- $2,527,368 -0.2%
        2009-- $2,533,374 +2%
        2008-- $2,483,700 +15.4%
        2007-- $2,152,000 +67.7%
        2006-- $1,283,000 +157.4%
        2005-- $498,391 +4%
        2004-- $479,039 +1.9%
        2003-- $470,260 +2%
        2002-- $461,040 +112.5%
        2000-- $217,000
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 91765

        Getting around

        3 / 100
        Car-Dependent

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • High: Diamond Bar

        Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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