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    Nassau County, NY Duplexes for Sale

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    Duplex with Basement
    Duplex with Basement

    302 W Hudson Street, Long Beach, NY 11561

    $1,399,000
    0.11 AC lot

    Frame duplex with a basement, driveway parking, and public water and sewer.

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    Two-Family Duplex with Detached Garage
    Two-Family Duplex with Detached Garage

    51 Bellmore Street, Floral Park, NY 11001

    $839,000
    0.09 AC lot

    Separate gas and electric meters serve the two residential units.

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    Two-Unit Duplex with Private Entrances
    Two-Unit Duplex with Private Entrances

    20 Spruce Street, Great Neck, NY 11021

    $1,930,000
    0.22 AC lot

    Each residence has three bedrooms, two full baths, and its own living, dining, and kitchen areas.

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    2-Unit Duplex
    2-Unit Duplex

    1485 Surprise Street, Elmont, NY 11003

    $800,000
    0.14 AC lot

    The property occupies one tax parcel and has public water and sewer service.

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    Duplex with Finished Basement
    Duplex with Finished Basement

    14 Chestnut Street, Lynbrook, NY 11563

    $1,199,000
    0.24 AC lot

    Legal two-unit property with eat-in kitchens, office space, and substantial off-street parking.

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    Cape Cod Duplex With Parking
    Cape Cod Duplex With Parking

    32 Edgewood Road, Port Washington, NY 11050

    $1,019,000
    0.09 AC lot

    Two residential units offer a flexible owner-occupancy setup with additional rental income potential.

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    Mixed-Use Property with Restaurant
    Mixed-Use Property with Restaurant

    97 Merrick Road, Baldwin, NY 11510

    $1,150,000
    0.06 AC lot

    Ground-floor restaurant space is paired with two residential apartments above.

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    Two-Story Duplex with Private Driveway
    Two-Story Duplex with Private Driveway

    64 Stewart Avenue, Hempstead, NY 11550

    $540,000
    0.06 AC lot

    Each level provides two bedrooms, a kitchen and a full bathroom in a separate living area.

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    Renovated Duplex with Finished Basement
    Renovated Duplex with Finished Basement

    121 W Chester Street, Long Beach, NY 11561

    $1,199,000
    0.14 AC lot

    Renovated duplex residence includes finished basement, garage, backyard, and private balcony.

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    Two-Family Duplex with Garages
    Two-Family Duplex with Garages

    168 Jefferson Avenue, Roslyn Heights, NY 11577

    $1,399,000
    0.17 AC lot

    The main residence has three bedrooms, while the second apartment provides a separate one-bedroom layout.

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    Two-Family Duplex with Garage
    Two-Family Duplex with Garage

    160 Broad Street, Williston Park, NY 11596

    $899,000
    0.09 AC lot

    Separate heating and electric service serve the two residential levels.

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    2-Unit Brick Duplex
    2-Unit Brick Duplex

    103 E Saint Marks Place, Valley Stream, NY 11580

    $869,000
    0.09 AC lot

    Separate living areas include a three-bedroom first-floor residence and a one-bedroom upper unit with an attic bonus room.

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    Renovated Duplex with Separate Utilities
    Renovated Duplex with Separate Utilities

    241 Covert Street, Westbury, NY 11590

    $879,999
    0.12 AC lot

    Legal two-family residence with separate electric meters and boilers serving each unit.

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    Two-Family Duplex with Finished Lower Level
    Two-Family Duplex with Finished Lower Level

    1024 First Avenue, Franklin Square, NY 11010

    $1,199,999
    0.22 AC lot

    Legal two-family property with matching three-bedroom layouts, hardwood floors, separate heating systems, and additional lower-level rooms.

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    Two-Family Duplex
    Two-Family Duplex

    634 Broadway, Bethpage, NY 11714

    $999,000
    0.29 AC lot

    Separate kitchens and electric meters support the property’s two-residence configuration.

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

    5 Franklin Avenue, Glen Cove, NY 11542

    $1,089,000
    0.21 AC lot

    Two separate residences offer private entrances, individual kitchens, and distinct living and dining areas.

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    Renovated Duplex Property
    Renovated Duplex Property

    236 Maple Place, Mineola, NY 11501

    $1,050,000
    0.11 AC lot

    Five-bedroom property with updated interiors, a private yard, and public water and sewer service.

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    Updated Colonial Duplex
    Updated Colonial Duplex

    29 Elm Avenue, Hempstead, NY 11550

    $949,000
    0.23 AC lot

    Fully legal two-family property with separate entrances, utilities, substantial driveway parking, and updated interior and exterior systems.

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    Updated Two-Family Colonial
    Updated Two-Family Colonial

    53 Watts Place, Lynbrook, NY 11563

    $849,000
    0.11 AC lot

    Legal duplex with separate gas systems, a detached garage, basement storage, and outdoor living areas.

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    Two-Family Duplex with Garage
    Two-Family Duplex with Garage

    39 Munson Place, East Rockaway, NY 11518

    $669,000
    0.13 AC lot

    Separate living areas include two bedrooms downstairs and one bedroom upstairs, with central air and public utilities.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    141 Elmwood Street, Valley Stream, NY 11581

    $699,990
    0.12 AC lot

    A 2-bedroom apartment occupies the upper level above a separate 1-bedroom unit, alongside a partially finished basement.

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    Two-Story Duplex with Garage
    Two-Story Duplex with Garage

    191 N Virginia Avenue, Massapequa, NY 11758

    $750,000
    0.19 AC lot

    Two residential levels offer distinct bedroom, dining, and kitchen arrangements with a fenced backyard and covered rear patio.

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    Two-Unit Colonial Duplex
    Two-Unit Colonial Duplex

    280 Van Cott Avenue, Farmingdale, NY 11735

    $850,000
    0.20 AC lot

    Legal two-family property with a full basement, fenced backyard, and public water and sewer.

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    Renovated Two-Family Duplex
    Renovated Two-Family Duplex

    32 Franklin Avenue, Sea Cliff, NY 11579

    $1,149,000
    0.19 AC lot

    Legal two-family residence with separate entry options, updated interiors, fenced grounds, and an oversized garage with loft storage.

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