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800 Coldstream CourtDiamond Bar, CA 91765

Single Family · 4 Beds · 3 Full Baths · 2,522 Sq. ft. | 0.29 Acres
$1,390,000 Active

800 Coldstream Court Overview

Time on Site:
63 days
Visits:
3

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

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800 Coldstream Court Facts & Features

  • Type Single Family
  • Sq. ft. 2,522
  • Price/Sq.ft. $551
  • Lot 0.29 Acres

Details

General

Association/HOA

  • Association: No
  • Common Interest: None

School Information

  • School District: Pomona Unified

Building Information

  • New Construction: No
  • Year Built: 1988

Location/Region

  • Country: US
  • County Or Parish: Los Angeles
  • MLS Area Major: 616 - Diamond Bar
  • Postal City: DIAMOND BAR

Community/Development

  • Community Features: Hiking,Park

Rent/Lease Information

  • Land Lease: No
  • Lease Considered: No

General Information

  • Listing Terms: Cash,Cash to New Loan,1031 Exchange
  • Parcel Number: 8701044035
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 3.0
  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 3
  • Bathrooms Total: 3
  • Bedrooms Total: 4

General Information

  • Appliances: Dishwasher,Gas Cooktop,Microwave,Refrigerator,Range Hood
  • Common Walls: No Common Walls
  • Entry Level: 1
  • Entry Location: front
  • Fireplace: Yes
  • Interior 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)
  • Laundry Features: Inside
  • Levels: Two
  • Living Area: 2522.0
  • Living Area Source: Assessor
  • Living Area Units: Square Feet
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1
  • Spa Features: In Ground
  • Spa: Yes
  • Stories: 2
  • Stories Total: 2

Exterior

Parking Information

  • Parking Features: Concrete,Direct Access,Garage,Garage Door Opener
  • Parking Total: 3.0

Lot Information

  • Additional Parcels: No
  • Lot Features: Back Yard,Cul-De-Sac,Greenbelt,Landscaped,Near Park,Paved,Sprinkler System
  • Lot Size Acres: 0.2894
  • Lot Size Area: 12607.0
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 12607.0
  • Lot Size Units: Square Feet
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

    Building Exterior/Construction

    • Attached Garage: Yes
    • Construction Materials: Stucco
    • Patio And Porch Features: Covered
    • Property Attached: No
    • Roof: Spanish Tile
    • Structure Type: House

    General Information

    • Exterior Features: Fire Pit
    • Fencing: Wrought Iron
    • Number Of Units Total: 1
    • Pool Features: In Ground,Private
    • Pool Private: Yes
    • Sewer: Public Sewer

    800 Coldstream Court Neighborhood

    Community

    91765 (DIAMOND BAR) Demographics

    44
    Median Age
    2,444
    Population Density (per sq. mile)
    63%
    College Educated
    $101,161
    Estimated Median Income
    11,360
    Estimated Total Home Owners
    3,514
    Estimated Total Renters
    76% / 24%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    800 Coldstream Court Monthly Cost

    $
    $ %
    %
    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    800 Coldstream Court Market Data

    Based on the last 30 days in this zip code

    $1,521,743
    Average List Price
    $574
    Average Price per Square Foot
    32
    Properties Sold
    67
    Average Days on Market
    350
    Properties for Sale
    Calculations provided by Reliance Network

    800 Coldstream Court History

    Date Event Value Agent
    6/22/2026Source: CRMLS Price Reduction
    $1,390,000 -6.7%
    5/27/2026Source: CRMLS Status Change
    Active
    5/22/2026Source: CRMLS Status Change
    Pending
    5/8/2026Source: CRMLS Status Change
    Active
    4/27/2026Source: CRMLS Added to Database
    April 27, 2026
    Listing provided courtesy of Real BrokerAdrian Zang- MLS# TR26091136MLS ProviderContact Information: [email protected] - 909-403-6143