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For sale
    • Price cut: $4K (7/8)
    $685,000

    12684 Ulster Street, Thornton, CO 80602

    4beds
    3,153sqft
    : 
    $4,494/mo
    Get pre-qualified
    Duplex
    Built in 2020
    6,534 Square Feet Lot
    $-- Zestimate®
    $217/sqft
    $310/mo HOA

    What's special

    Views out the windowsImpressive walk-in closetStainless steel appliancesTile backsplashQuartz countertops
    Exceptional former model ranch paired home showcasing premium upgrades and designer finishes throughout. The thoughtfully crafted floor plan features 2 main-floor bedrooms. The primary bedroom features a spacious bathroom that includes a walk-in shower. Through the bathroom you will find the impressive walk-in closet. The second bedroom is also an ensuite providing privacy and comfort. The kitchen is beautifully finished with quartz countertops, tile backsplash, stainless steel appliances and a large island. The kitchen, eating area and living room provide an open feel with plenty of natural light and views out the windows. This area also gives way to a secluded deck that looks out to the east and to the open space that surrounds the back of the property. The well designed walkout basement adds 2 additional bedrooms, one of which has its own bathroom with a walk-in shower and walk-in closet. The large living area in the basement, which includes a small sink, counter space and a gas fireplace, is ideal for entertaining or extended living arrangements. The finished lower level expands the living space while maintaining comfort and functionality. A rare opportunity to own a beautifully appointed, move-in-ready home with the convenience of low-maintenance living.
    65 days
    |
    541
    |
    20
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Cory Thornton 303-921-9754 cory@carlsonland.net,

    Carlson Associates

    Source: REcolorado as distributed by MLS GRID,MLS#: 8332881MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 4
      • Full bathrooms: 1
      • 3/4 bathrooms: 2
      • 1/2 bathrooms: 1
      • Main level bathrooms: 3
      • Main level bedrooms: 2
      Bedroom
      • Features: Primary Suite
      • Level: Main
      Bedroom
      • Features: Primary Suite
      • Level: Main
      Bedroom
      • Level: Basement
      Bedroom
      • Level: Basement
      Bathroom
      • Features: En Suite Bathroom
      • Level: Main
      Bathroom
      • Features: Primary Suite
      • Level: Main
      Bathroom
      • Level: Main
      Bathroom
      • Features: En Suite Bathroom
      • Level: Basement
      Heating
      • Forced Air
      Cooling
      • Central Air
      Appliances
      • Included: Cooktop, Dishwasher, Disposal, Microwave, Oven, Refrigerator, Washer
      • Laundry: In Unit
      Features
      • Eat-in Kitchen, Five Piece Bath, High Ceilings, Kitchen Island, Open Floorplan, Primary Suite, Quartz Counters, Smoke Free, Walk-In Closet(s)
      • Flooring: Carpet
      • Windows: Window Coverings
      • Basement: Exterior Entry,Finished,Full,Sump Pump,Walk-Out Access
      • Number of fireplaces: 1
      • Fireplace features: Basement
      • Common walls with other units/homes: 1 Common Wall
      Interior area
      • Total structure area: 3,153
      • Total interior livable area: 3,153 sqft
      • Finished area above ground: 1,647
      • Finished area below ground: 1,218

      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage - Attached
      • Attached garage spaces: 2
      Features
      • Levels: One
      • Stories: 1
      • Patio & porch: Deck
      Lot
      • Size: 6,534 Square Feet
      Details
      • Parcel number: R0199524
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Contemporary
      • Property subtype: Duplex
      • Attached to another structure: Yes
      Materials
      • Frame
      • Roof: Composition
      Condition
      • Year built: 2020
      Details
      • Builder name: Boulder Creek Neighborhoods

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Security: Carbon Monoxide Detector(s), Smoke Detector(s)
      • Subdivision: Riverdale Ranch
      HOA
      • Has HOA: Yes
      • Services included: Maintenance Grounds, Recycling, Snow Removal, Trash
      • HOA fee: $310 monthly
      • HOA name: Riverdale Ranch
      • HOA phone: 303-482-2213
      Location
      • Region: Thornton

      Financial & listing details

      • Price per square foot: $217/sqft
      • Tax assessed value: $625,000
      • Annual tax amount: $6,491
      • Date on market: 5/20/2026
      • Listing terms: 1031 Exchange,Cash,Conventional,FHA,VA Loan
      • Exclusions: All Personal Property
      • Ownership: Individual

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        7/8/2026Price change$685,000-0.6%$217/sqft
        Source: REcolorado as distributed by MLS GRID #8332881 Report a problem
        5/20/2026Listed for sale$689,000+29.8%$219/sqft
        Source: REcolorado as distributed by MLS GRID #8332881 Report a problem
        7/10/2020Sold$530,799$168/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$6,810 +0.2%$39,070 -11.7%
        2024$6,793 +40.4%$44,240
        2023$4,837 +0.3%$44,240 +48.7%
        2022$4,821 $29,750 -2.8%
        2021-- $30,610
        2020$89 --
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        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: 80602

        Getting around

        12 / 100
        Car-Dependent
        10 / 100
        Minimal Transit
        30 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Brantner
        • Middle: Roger Quist
        • High: Riverdale Ridge
        • District: School District 27-J

        Source: REcolorado as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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