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    Williamson County, TX Duplexes for Sale

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    New Construction Duplex
    Updated: Oct 15, 2025
    New Construction Duplex

    121 Calvin Smith Lane, Jarrell, TX 76537

    $749,000
    4,600 sqft 0.25 AC lot
    4,600‑square‑foot duplex with two 2,300‑square‑foot residences
    Each unit has 4 bedrooms, 3 bathrooms, and an office or optional 5th bedroom
    Two‑level wet bars, granite counters, modern cabinetry, and included refrigerators
    Each residence includes a 1‑car garage and open parking
    2025 construction with foam insulation and Hardiplank siding
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    Two-Unit Duplex with Covered Parking
    Updated: Aug 25
    Two-Unit Duplex with Covered Parking

    1741 /1743 Horseshoe Cir, Round Rock, TX 78681

    $550,000
    2,000 sqft
    2,000‑square‑foot duplex with two separate residential units
    Each unit includes 2 bedrooms and 1.5 baths
    1/3‑acre lot with a long private driveway
    Covered parking provided for each unit
    Currently operated as a short‑term rental
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    Updated Duplex with Garages
    Updated Duplex with Garages

    2128 /2130 Redwing Way, Round Rock, TX 78664

    $515,000
    2,126 sqft

    Two three-bedroom units feature private fenced yards, fireplaces, and washer and dryer connections.

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    Tenant-Occupied Duplex
    Tenant-Occupied Duplex

    36-605 W South Street, Leander, TX 78641

    $525,000
    3,186 sqft

    Both residences are leased under year-long agreements, supporting immediate occupancy income.

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    Four-Unit Duplex Package
    Four-Unit Duplex Package

    3705 Rocky Hollow TRL Unit: A&B, Georgetown, TX 78628

    $475,000
    4,768 sqft

    Two adjacent duplex buildings provide established rental history, private outdoor areas, and recently replaced major systems.

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    Two-Story Duplex Portfolio
    Two-Story Duplex Portfolio

    3705 Rocky Hollow Trl Unit A & B, Georgetown, TX 78628

    $475,000
    2,384 sqft 0.48 AC lot

    Neighboring duplexes offer established tenants, updated roofs, private wooded yards, and covered carports with storage.

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    Updated Duplex with Greenbelt Views
    Updated Duplex with Greenbelt Views

    409 /411 Lake Creek Cir, Round Rock, TX 78664

    $379,000
    1,758 sqft

    Two-unit property with private patios, attached garages, and fenced rear yards adjoining a greenbelt and creek.

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    Two-Duplex Rental Package
    Two-Duplex Rental Package

    3705 Rocky Hollow Trl A&b, Georgetown, TX 78628

    $475,000
    2,384 sqft

    Paired duplex properties with updated roofs, replaced HVAC systems, private outdoor areas, and established rental occupancy.

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    Georgetown Duplex on Large Lot
    Georgetown Duplex on Large Lot

    40202 Settlers Path, Georgetown, TX 78626

    $749,000
    3,584 sqft 0.88 AC lot

    Income-producing duplex in Georgetown on a .88 acre lot.

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    Updated Duplex with Private Yards
    Updated Duplex with Private Yards

    2128-2130 Redwing Way, Round Rock, TX 78664

    $515,000
    2,126 sqft

    Both residences feature private fenced yards, fireplaces, updated appliances, and washer-dryer connections.

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    Two-Duplex Rental Package
    Two-Duplex Rental Package

    3709 Rocky Hollow Trl A&b, Georgetown, TX 78628

    $475,000
    2,384 sqft

    The package combines matching duplex improvements with updated roofs and HVAC systems.

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    Fully Occupied Duplex
    Fully Occupied Duplex

    2402 Cottonwood Dr, Georgetown, TX 78628

    $365,000
    1,937 sqft

    Two matching residences provide private laundry areas, vaulted living spaces, and shared covered parking.

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    Single-Story Duplex
    Single-Story Duplex

    608/610 Greenlawn Boulevard, Round Rock, TX 78664

    $375,000
    1,645 sqft

    Two one-bedroom residences with tile flooring, central HVAC, and kitchens equipped with ovens and refrigerators.

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    Leased Duplex with Private Garages
    Leased Duplex with Private Garages

    416 Greenlawn BLVD, Round Rock, TX 78664

    $364,900
    1,821 sqft

    Both residences are occupied and include fireplaces, fenced backyards, covered patios, and in-unit laundry connections.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    512 Lenora Dr, Taylor, TX 76574

    $215,000
    1,563 sqft

    Vacant two-unit property with refreshed interiors, private fenced backyards, and included appliances.

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    Duplex With Private Entrances
    Duplex With Private Entrances

    1758/1760 Horseshoe CIR, Round Rock, TX 78681

    $499,000
    2,518 sqft

    Two-level units offer private balconies, fenced outdoor space, carports, and tenant occupancy at closing.

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    Large-Lot Duplex
    Large-Lot Duplex

    316 /318 Highland Estates Dr, Round Rock, TX 78664

    $410,000
    2,212 sqft

    Two-bedroom, two-bath layouts, fenced backyards, and one leased unit support flexible occupancy and rental use.

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    2-Unit Duplex with Fenced Yards
    2-Unit Duplex with Fenced Yards

    1509 Park Ln, Georgetown, TX 78628

    $365,000
    1,376 sqft

    Two-unit residential property near shopping, restaurants, retail, I-35, and Downtown Georgetown.

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    Duplex With Vacant Unit
    Duplex With Vacant Unit

    1902 Nicole Cir, Round Rock, TX 78664

    $364,900
    1,608 sqft

    One side is vacant and available for owner occupancy or leasing.

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    Duplex With Fenced Yards
    Duplex With Fenced Yards

    110 Verna Spur, Georgetown, TX 78628

    $425,900
    1,722 sqft

    Recent paint, tile flooring, and separate outdoor areas support leasing or owner occupancy.

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    Two-Unit Duplex with Covered Parking
    Two-Unit Duplex with Covered Parking

    1741/1743 Horseshoe CIR, Round Rock, TX 78681

    $550,000
    0.33 AC lot

    Two residences offer private laundry hookups, covered parking, and flexible short-term or long-term rental use.

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    New Construction Custom Duplex
    New Construction Custom Duplex

    121 Calvin Smith Ln A & B, Jarrell, TX 76537

    $749,000
    0.25 AC lot

    New construction duplex with open-concept design and upgraded finishes.

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    Tenant-Occupied Duplex
    Tenant-Occupied Duplex

    605 W South ST, Leander, TX 78641

    $525,000

    Two leased units provide an established residential income profile in Leander.

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    Detached Duplex with Private Yards
    Detached Duplex with Private Yards

    99 Mager LN # G1, Hutto, TX 78634

    $439,800

    The two-unit configuration supports long-term, mid-term, or short-term rental strategies.

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    Williamson County, TX Duplexes Market Trends and Statistics

    Explore 27 duplexes for sale in Williamson County, TX, showcased through 27 active listings on our real estate platform. These investment opportunities span a total of 47,702 square feet of properties for sale, with an estimated market value of $12,494,500.

    Sale prices for duplexes in Williamson County, TX start at $215,000, averaging $480,557, and reaching up to $749,000 — 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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    Featured Williamson County Real Estate Agencies

    Realmo connects you with licensed Williamson County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Keller Williams Realty Lone Star
    1003 S. Austin Ave Georgetown, TX 78626
    Phone: 15128681771
    lonestar.kw.com

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