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For sale
  • Listed by: Pinnacle Real Estate Group • LYANA FUNG • Contact: 626-986-7666
    $1,280,000

    20951 High Country Dr, Diamond Bar, CA 91789

    4beds
    2,178sqft
    : 
    $8,229/mo
    Get pre-qualified
    Single Family Residence
    Built in 1986
    7,040 Square Feet Lot
    $-- Zestimate®
    $588/sqft
    $18/mo HOA

    What's special

    Welcome to this stunning hilltop residence in the prestigious High Country community of Diamond Bar, offering breathtaking mountain and neighborhood views, exceptional privacy, and a highly desirable floor plan. This beautifully maintained home features approximately 2,178 square feet of living space with 3 spacious bedrooms with converted garage room, 3 bathrooms, soaring ceilings, abundant natural light, and an elegant formal living and dining area perfect for entertaining. The upgraded kitchen opens to a warm and inviting family room with fireplace, creating the ideal everyday gathering space. Upstairs, the expansive primary suite serves as a private retreat with scenic views, generous closet space, and a spa-like bath. Additional flexible living areas provide options for a home office, gym, or guest accommodations. Situated on an oversized lot with a wraparound yard, this property offers plenty of room for outdoor dining, gardening, or future customization. Located within the highly acclaimed Walnut Valley Unified School District and just minutes from shopping, dining, parks, and convenient freeway access, this is a rare opportunity to own a view home in one of Diamond Bar’s most sought-after neighborhoods.
    81 days
    |
    935
    |
    27
    |

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    LYANA FUNG DRE #02057909 626-986-7666,

    Pinnacle Real Estate Group

    Source: CRMLS,MLS#: WS26099443MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 3
      • Full bathrooms: 3
      • Main level bathrooms: 1
      • Main level bedrooms: 1
      Rooms
      • Room types: Bedroom
      Bedroom
      • Features: All Bedrooms Up
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Laundry: Laundry Room
      Features
      • All Bedrooms Up
      • Has fireplace: No
      • Fireplace features: None
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 2,178 sqft

      Property

      Parking
      • Total spaces: 3
      • Parking features: Garage - Attached
      • Attached garage spaces: 3
      Features
      • Levels: Two
      • Stories: 2
      • Entry location: the front of the home facing High Country Dr
      • Pool features: None
      • Has view: Yes
      • View description: City Lights, Mountain(s), Neighborhood
      Lot
      • Size: 7,040 Square Feet
      • Features: Front Yard
      Details
      • Parcel number: 8765017037
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Condition
      • New construction: No
      • Year built: 1986

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Street Lights, Sidewalks
      HOA
      • Has HOA: Yes
      • HOA fee: $108 semi-annually
      • HOA name: Oakridge Homeowner Association
      • HOA phone: 714-634-0611
      Location
      • Region: Diamond Bar

      Financial & listing details

      • Price per square foot: $588/sqft
      • Tax assessed value: $1,124,878
      • Annual tax amount: $14,585
      • Date on market: 5/7/2026
      • Cumulative days on market: 81 days
      • Listing terms: Cash,Cash to New Loan,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        $4,335/mo

        Price history

        DateEventPrice
        5/8/2026Listed for sale$1,280,000+20.8%$588/sqft
        Source: CRMLS #WS26099443 Report a problem
        1/18/2022Sold$1,060,000+22%$487/sqft
        Source: Public Record Report a problem
        8/13/2019Listing removed$869,000$399/sqft
        Source: CC Royal Realty #TR19128192 Report a problem
        7/17/2019Price change$869,000-1.1%$399/sqft
        Source: CC Royal Realty #TR19128192 Report a problem
        6/1/2019Listed for sale$879,000-1.2%$404/sqft
        Source: CC Royal Realty #TR19128192 Report a problem
        4/23/2019Listing removed$889,880$409/sqft
        Source: Winmark Premier Real Estate #OC19035162 Report a problem
        4/3/2019Price change$889,880-1.1%$409/sqft
        Source: Winmark Premier Real Estate #OC19035162 Report a problem
        2/15/2019Listed for sale$899,880+235.8%$413/sqft
        Source: Winmark Premier Real Estate #OC19035162 Report a problem
        6/8/1994Sold$268,000$123/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$14,585 +4.9%$1,124,878 +2%
        2024$13,903 +1.9%$1,102,823 +2%
        2023$13,643 +2.6%$1,081,200 +141.7%
        2022$13,292 +117.3%$447,270 +2%
        2021$6,116 +6.5%$438,501 +1%
        2020$5,740 $434,006 +2%
        2019$5,740 +6%$425,497 +2%
        2018$5,416 $417,155 +2%
        2017$5,416 +4.5%$408,977 +2%
        2016$5,183 +3.1%$400,958 +1.5%
        2015$5,027 -0.7%$394,936 +2%
        2014$5,060 $387,201 +2.5%
        2012-- $377,895 +2%
        2011-- $370,486 +0.8%
        2010-- $367,718 -0.2%
        2009-- $368,592 +2%
        2008-- $361,366 +2%
        2007-- $354,281 +2%
        2006-- $347,335
        2005-- $347,335 +4%
        2004-- $333,849 +1.9%
        2003-- $327,731 +2%
        2002-- $321,306 +4%
        2000-- $308,832
        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.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 91789

        Getting around

        13 / 100
        Car-Dependent
        4 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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