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    Middlesex County, NJ Duplexes for Sale

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    Seven-Bedroom Duplex
    Seven-Bedroom Duplex

    899 Green Street, Iselin, NJ 08830

    $875,000
    0.28 AC lot

    Two residential units provide separate kitchens, living areas, and extensive bedroom and bathroom accommodations.

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    Two-Unit Duplex with Attic
    Two-Unit Duplex with Attic

    307 Rock Ave, Piscataway, NJ 08854

    $680,000
    0.17 AC lot

    Residential duplex offering separate living units, a garage, backyard, and additional attic space.

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

    610 Cortlandt St, Perth Amboy, NJ 08861

    $539,000
    0.06 AC lot

    Separate utilities, a detached garage, and a front porch support practical two-unit use.

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    Duplex with Basement
    Duplex with Basement

    187 Hale Street, New Brunswick, NJ 08901

    $485,000
    1,248 sqft 0.06 AC lot

    Residential income property with public water and sewer service in New Brunswick.

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    Two-Unit Duplex with Porch
    Two-Unit Duplex with Porch

    187 Hale Street, New Brunswick, NJ 08901

    $485,000
    1,248 sqft 0.06 AC lot

    R-5A-zoned duplex featuring two-bedroom units with kitchens, living rooms, and one bath each.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    309 Washington St, Perth Amboy, NJ 08861

    $639,000
    0.09 AC lot

    Two residential units offer separate gas, electric, and water meters, with utilities paid by tenants.

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    Renovated Duplex with ADU
    Renovated Duplex with ADU

    309 S 2nd Ave S, Highland Park, NJ 08904

    $899,000

    Updated two-residence property with renovated kitchens, bathrooms, a full basement, and convenient access to local services and transit.

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    2-Unit Home with Garage
    2-Unit Home with Garage

    1207 Foster Avenue, South Plainfield, NJ 07080

    $769,000
    0.55 AC lot

    Two-level residential income property with separate living areas, public utilities, and a garage.

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    Two-Unit Duplex with Garages
    Two-Unit Duplex with Garages

    694 Johnstone St, Perth Amboy, NJ 08861

    $615,000

    Corner-lot duplex with separate living spaces, basement storage, and detached garage parking.

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    Two-Family Home with Garage
    Two-Family Home with Garage

    1207 Foster Ave, South Plainfield, NJ 07080

    $769,000
    0.55 AC lot

    Two residential units provide separate kitchens, living areas, and flexible occupancy options.

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    Highway Development Commercial Land
    Highway Development Commercial Land

    956 State Route 33 Highway, Monroe, NJ 08831

    $1,600,000
    2,318 sqft 0.70 AC lot

    Highway Development zoning accompanies an existing two-family home with public water and sewer.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    16 Somerset St, Carteret, NJ 07008

    $699,900

    Two-unit property with updated kitchens and flexible occupancy through month-to-month tenancies.

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    Multi-Level Duplex with Six-Car Parking
    Multi-Level Duplex with Six-Car Parking

    109-111 Judy Dr, Keasbey, NJ 08832

    $899,500

    Multi-level duplex with substantial living space and an expansive driveway for occupant and guest parking.

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    Renovated Legal Duplex with Fenced Yard
    Renovated Legal Duplex with Fenced Yard

    121 Kosciusko Ave, South Plainfield, NJ 07080

    $749,000

    Two separate residences combine updated systems, generous living areas, basement storage, and outdoor space.

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    Duplex with Full Basement
    Duplex with Full Basement

    899 Green Street, Iselin, NJ 08830

    $875,000

    Two residential units are complemented by a basement with interior access and a separate exterior entrance.

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    Renovated Two-Family Home
    Renovated Two-Family Home

    48 5 TH STREET, Fords, NJ 08863

    $689,900

    Vacant, move-in-ready two-family residence with updated kitchens, dedicated laundry, basement storage, and a private backyard.

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    Duplex with Yard
    Duplex with Yard

    64 Second St, Woodbridge, NJ 07095

    $749,000

    Two residences each offer a three-bedroom, one-bathroom layout.

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    Duplex Rebuild with Approved Plans
    Duplex Rebuild with Approved Plans

    259 Hale Street, New Brunswick, NJ 08901

    $349,000

    Partially framed two-family project with basement access, attic storage, and central air listed among the property features.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    81 Louis St, New Brunswick, NJ 08901

    $725,000

    Two-unit home offering a first-floor 2-bedroom unit and an upper 3-bedroom, 2-bath duplex with driveway parking.

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    Brick Two-Family Duplex
    Brick Two-Family Duplex

    55 Juliet Street, New Brunswick, NJ 08901

    $599,000
    0.11 AC lot

    Two apartments are complemented by a finished basement, garage storage, and a fenced rear yard.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    64 Second St, Edison, NJ 08837

    $749,000

    Each residence has three bedrooms and one full bathroom, with a yard and basement storage.

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    Renovated Two-Family Duplex
    Renovated Two-Family Duplex

    27 Alexander Street, East Brunswick, NJ 08901

    $549,000

    Legal two-unit residence with separate gas and electric service, updated interiors, basement storage, and a private rear yard.

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    Two-Family Duplex with Finished Basement
    Two-Family Duplex with Finished Basement

    800 Central Pl, Perth Amboy, NJ 08861

    $549,000

    Separate living arrangements include dedicated laundry and additional lower-level recreational space.

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    Side-by-Side Duplex with Garages
    Side-by-Side Duplex with Garages

    227-229 Bordentown Avenue, South Amboy, NJ 08879

    $899,000
    0.15 AC lot

    Two three-bedroom units are complemented by an open porch, basement laundry hookups, and substantial accessory storage.

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