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For sale
  • Listed by: Real Broker
    Price cut: $100K (6/22)
    $1,390,000

    800 Coldstream Ct, Diamond Bar, CA 91765

    4beds
    2,522sqft
    : 
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    Single Family Residence
    Built in 1988
    0.29 Acres Lot
    $1,381,300 Zestimate®
    $551/sqft
    $-- HOA

    What's special

    Sparkling pool and spaVersatile loftPrivate backyard retreatContemporary finishesStylish lightingPeaceful cul-de-sacBright open-concept layout
    Nestled in a peaceful cul-de-sac in the highly sought-after community of Diamond Bar, this beautifully renovated residence offers the perfect blend of comfort, style, and functionality. Featuring 4 spacious bedrooms plus a versatile loft, this home provides exceptional flexibility for modern living — ideal as a home office, media room, kids’ play area, or potential 5th bedroom. Extensively updated in 2023, the interior showcases contemporary finishes, upgraded flooring, stylish lighting, and a bright open-concept layout designed for both everyday living and entertaining. The spacious living and dining areas flow seamlessly into the beautifully updated kitchen, creating a warm and inviting atmosphere filled with natural light. Step outside to your private backyard retreat situated on a generously sized lot, complete with a sparkling pool & spa perfect for enjoying Southern California living year-round. The expansive outdoor space offers endless possibilities for entertaining, relaxing, gardening, or exploring potential ADU opportunities (buyer to independently verify with city). Conveniently located near top-rated schools, parks, shopping centers, dining, and major freeways, this property combines tranquility with accessibility. Whether you're looking for a comfortable family home, an entertainer’s dream, or an investment with future upside, this exceptional Diamond Bar property delivers outstanding value and lifestyle. All information is deemed reliable but not guaranteed. Buyers are advised to independently verify all property details, permits, square footage, zoning, and potential uses to their satisfaction
    44 days
    |
    1,383
    |
    75
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Adrian Zang DRE #02245098 6263663908,

    Real Broker

    Source: CRMLS,MLS#: TR26091136MLS LogoOriginating MLS: California Regional MLS

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 3
      • Full bathrooms: 3
      • Main level bathrooms: 1
      • Main level bedrooms: 1
      Rooms
      • Room types: Bedroom, Foyer, Primary Bedroom, Other, Dining Room
      Primary bedroom
      • Features: Primary Suite
      Bedroom
      • Features: Bedroom on Main Level
      Kitchen
      • Features: Kitchen Island, Kitchen/Family Room Combo, Remodeled, Updated Kitchen
      Other
      • Features: Walk-In Closet(s)
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Included: Dishwasher, Gas Cooktop, Microwave, Refrigerator, Range Hood
      • Laundry: Inside
      Features
      • Wet Bar, Breakfast Bar, Crown Molding, Cathedral Ceiling(s), Separate/Formal Dining Room, Eat-in Kitchen, Granite Counters, Open Floorplan, Recessed Lighting, Bedroom on Main Level, Entrance Foyer, Primary Suite, Walk-In Closet(s)
      • Has fireplace: Yes
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 2,522 sqft

      Property

      Parking
      • Total spaces: 3
      • Parking features: Concrete, Direct Access, Garage, Garage Door Opener
      • Attached garage spaces: 3
      Features
      • Levels: Two
      • Stories: 2
      • Entry location: front
      • Patio & porch: Covered
      • Exterior features: Fire Pit
      • Has private pool: Yes
      • Pool features: In Ground, Private
      • Has spa: Yes
      • Spa features: In Ground
      • Fencing: Wrought Iron
      • Has view: Yes
      • View description: Canyon, Hills, Panoramic, Pool
      Lot
      • Size: 0.29 Acres
      • Features: Back Yard, Cul-De-Sac, Greenbelt, Landscaped, Near Park, Paved, Sprinkler System
      Details
      • Parcel number: 8701044035
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Stucco
      • Roof: Spanish Tile
      Condition
      • New construction: No
      • Year built: 1988

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Hiking, Park
      Location
      • Region: Diamond Bar

      Financial & listing details

      • Price per square foot: $551/sqft
      • Tax assessed value: $1,276,128
      • Annual tax amount: $17,549
      • Date on market: 5/8/2026
      • Cumulative days on market: 45 days
      • Listing terms: Cash,Cash to New Loan,1031 Exchange

        Estimated market value

        $1,381,300

        $1.31M - $1.45M

        $6,177/mo

        Price history

        DateEventPrice
        6/22/2026Price change$1,390,000-6.7%$551/sqft
        Source: CRMLS #TR26091136 Report a problem
        5/27/2026Listed for sale$1,490,000$591/sqft
        Source: CRMLS #TR26091136 Report a problem
        5/22/2026Pending sale$1,490,000$591/sqft
        Source: CRMLS #TR26091136 Report a problem
        5/8/2026Listed for sale$1,490,000+38.2%$591/sqft
        Source: CRMLS #TR26091136 Report a problem
        4/21/2026Listing removed$8,900$4/sqft
        Source: Zillow Rentals Report a problem
        9/17/2024Listed for rent$8,900$4/sqft
        Source: Zillow Rentals Report a problem
        1/6/2016Sold$1,078,000-15%$427/sqft
        Source: Public Record Report a problem
        9/13/2014Listing removed$1,268,000$503/sqft
        Source: Century 21 E-N REALTY Report a problem
        7/14/2014Listed for sale$1,268,000+149.4%$503/sqft
        Source: Century 21 E-N REALTY Report a problem
        1/3/2003Sold$508,500$202/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$17,549 +8.4%$1,276,128 +2%
        2024$16,190 +1.7%$1,251,107 +2%
        2023$15,915 +1.9%$1,226,576 +2%
        2022$15,610 +3.9%$1,202,526 +2%
        2021$15,024 +0.3%$1,178,948 +1%
        2020$14,977 $1,166,861 +2%
        2019$14,977 +5.1%$1,143,982 +2%
        2018$14,250 $1,121,551 +2%
        2017$14,250 +1.7%$1,099,560 +75.6%
        2016$14,009 +74.7%$626,085 +1.5%
        2015$8,021 +3%$616,682 +2%
        2014$7,789 $604,603 +2.5%
        2012-- $590,071 +2%
        2011-- $578,502 +0.8%
        2010-- $574,179 -0.2%
        2009-- $575,544 +2%
        2008-- $564,260 +2%
        2007-- $553,197 +2%
        2006-- $542,351
        2005-- $542,351 +4%
        2004-- $521,292 +44.4%
        2003-- $360,915 +2%
        2002-- $353,839 +8.9%
        2000-- $325,000

        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.
          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.
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          Climate risks

          Neighborhood: 91765

          Getting around

          5 / 100
          Car-Dependent
          1 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating

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