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    Castle Rock, CO
    Duplex

    Castle Rock, CO Duplexes for Sale

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    Franktown, CO Castle Pines, CO Sedalia, CO Larkspur, CO Parker, CO Littleton, CO Palmer Lake, CO Lone Tree, CO
    Finished-Basement Duplex
    Updated: Sep 17
    Finished-Basement Duplex

    2015 Grayside Cir, Castle Rock, CO 80109

    $995,000
    Duplex built in 2025
    Finished walk‑out basement adds flexible living and entertaining space
    Professionally finished office with custom cabinetry and accent walls
    Expansive three‑car garage for vehicles, storage, and recreation
    Fully landscaped backyard with rolling landscape views
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    Park-Facing Duplex
    Updated: Aug 13
    Park-Facing Duplex

    3658 Happyheart Way, Castle Rock, CO 80109

    $500,000
    Directly across from a park, playground, and open green space
    Three‑bedroom layout with primary suite, loft, and upstairs laundry
    Open main level with 9‑foot ceilings and luxury vinyl plank flooring
    Kitchen includes island breakfast bar, stainless steel appliances, and extensive cabinetry
    Covered front porch, patio, and fully fenced backyard
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    Duplex Property
    Duplex Property

    4298 N Meadows Dr, Castle Rock, CO 80109

    $479,999

    Multi-level property with a granite kitchen, open living areas, patio access, and an unfinished basement for flexible use.

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    Updated Duplex Home
    Updated Duplex Home

    3642 Happyheart Way, Castle Rock, CO 80109

    $495,000

    Paired residence with a finished main level, flexible loft, private yard, and attached garage.

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Castle Rock, CO, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Nearly New Duplex with Loft
    Nearly New Duplex with Loft

    8070 Mount Ouray Rd, Littleton, CO 80125

    $575,000

    2024 construction offers three bedrooms, flexible bonus space, and an unfinished basement in Sterling Ranch.

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    Modern Duplex with Expansion Potential
    Modern Duplex with Expansion Potential

    9777 Banner Peak St, Littleton, CO 80125

    $539,990

    Newer-construction duplex with smart-home features, a two-car garage, and an unfinished basement prepared for future buildout.

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    Finished-Basement Duplex
    Finished-Basement Duplex

    11896 Barrentine Loop, Parker, CO 80138

    $585,000

    HOA-covered exterior services support a low-maintenance ownership experience with flexible finished living space.

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    Contemporary Duplex with EV Charger
    Contemporary Duplex with EV Charger

    12673 Boggs St, Parker, CO 80134

    $464,990

    Newer duplex with modern finishes, attached garage, and access to community recreation amenities.

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    Castle Rock, CO Duplexes Market Trends and Statistics

    Explore 4 duplexes for sale in Castle Rock, CO, showcased through 4 active listings on our real estate platform.

    Sale prices for two-family homes in Castle Rock, CO start at $479,999, averaging $617,499, and reaching up to $995,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 4

    Demographics Overview

    Population 100K
    Population Growth (5Y) +24.0%
    Median Household Income $152,944
    College Educated 78.3%

    High-Yield Neighborhoods for Investment

    Identify Castle Rock submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    80104 $464.9K
    80109 $597K

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Douglas County

    New Delisted

    Property Size Breakdown

    The majority of commercial real estate listings in Castle Rock fall within the 100,000+ square foot range.

    How Realmo verifies these figures

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