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    Middlesex County, NJ Duplexes for Sale

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    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    69 S Harrison Avenue, Iselin, NJ 08830

    $731,500

    New windows, unfinished lower-level space, and a fenced backyard add practical flexibility.

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    Duplex Rebuild with Approved Plans
    Duplex Rebuild with Approved Plans

    New Brunswick, NJ 08901

    $349,000

    Partially framed structure supports a planned two-unit residential layout with basement and attic storage.

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    Two-Unit Residential Income Duplex
    Two-Unit Residential Income Duplex

    1892 Oak Tree Road, Edison, NJ 08820

    $765,000

    Two-unit multifamily duplex with updated roof, two water furnaces, and month-to-month tenants.

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    New Construction Duplex with Garage
    New Construction Duplex with Garage

    113 Judy Dr, Keasbey, NJ 08832

    $979,000

    Under-construction two-family dwelling with customizable finishes and multiple full bathrooms.

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    Renovated 2-Unit Duplex
    Renovated 2-Unit Duplex

    48 5th Street, Fords, NJ 08863

    $689,900

    Two updated apartments offer private laundry, separate living areas, and off-street parking.

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    Brick Duplex with Attached Garage
    Brick Duplex with Attached Garage

    55 Juliet St, New Brunswick, NJ 08901

    $599,000

    Two apartments are complemented by off-street parking and a finished basement with additional living space.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    425 New Market Rd 2, Piscataway, NJ 08854

    $595,000

    Two large, multi-bedroom units in a duplex offer rental flexibility, though the property requires renovation.

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    Fully Leased Duplex Building
    Fully Leased Duplex Building

    637 Main Street, Sayreville, NJ 08872

    $799,900

    Two-family residential property with both units leased and an established configuration.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    676 Charles St, Perth Amboy, NJ 08861

    $574,999

    Two separate residences with updated kitchens, comfortable living areas, and a private backyard for outdoor use.

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    Two-Family Home with In-Unit Laundry
    Two-Family Home with In-Unit Laundry

    409 Ogden Pl, Perth Amboy, NJ 08861

    $535,000

    Move-in ready two-family residence offers identical layouts with in-unit laundry in each unit.

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    Two-Unit Duplex with Garage
    Two-Unit Duplex with Garage

    1309 Central Avenue, Highland Park, NJ 08904

    $549,999

    Detached duplex with flexible living areas, central air, solar, and a one-car garage in Highland Park.

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    Two-Unit Duplex with Finished Basement
    Two-Unit Duplex with Finished Basement

    12 Liberty Street, Fords, NJ 08863

    $475,000
    1,684 sqft 0.16 AC lot

    Brick-and-vinyl duplex with separate kitchens, outdoor space, and access to shopping and mass transit.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 108 Active Listings in Middlesex County, NJ
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