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    Suffolk County, NY Duplexes for Sale

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    Renovated Two-Family Duplex
    Renovated Two-Family Duplex

    32 & 34 Oakwood Road, Huntington, NY 11743

    $1,199,000

    Two residential units offer updated interiors, private laundry, individual climate control, and basement storage in Huntington Village.

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    Two-Home Duplex with Water Views
    Two-Home Duplex with Water Views

    120 Soundview Drive, Rocky Point, NY 11778

    $749,990
    0.23 AC lot

    Duplex-style property with a four-bedroom main residence, separate two-bedroom cottage, and expansive Long Island Sound views.

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    Occupied Two-Family Duplex
    Occupied Two-Family Duplex

    776 S 5th Street, Lindenhurst, NY 11757

    $769,999
    0.23 AC lot

    Legal two-unit residence with separate electric meters, gas service, garages, and tenant occupancy.

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    Two-Unit Duplex
    Two-Unit Duplex

    401 Wiggins Street, Greenport, NY 11944

    $1,297,000

    The property includes central air conditioning, a front porch, deck, and patio.

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    Two-Family Colonial Duplex
    Two-Family Colonial Duplex

    418 Lincoln Street, Riverhead, NY 11901

    $779,998
    0.12 AC lot

    Occupied residential income property with public water, public sewer, driveway parking, and a formal dining room.

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    Cape Cod Duplex with Porch
    Cape Cod Duplex with Porch

    3 Jarvis Court, Huntington, NY 11743

    $749,999
    0.25 AC lot

    Legal two-family residence with a separate second-floor apartment and wood flooring.

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    Warehouse Property with Truck Parking
    Warehouse Property with Truck Parking

    3120 Route 112, Medford, NY 11763

    $6,500,000
    1.65 AC lot

    Three adjacent parcels combine warehouse, storefront, and residential improvements under L-I zoning.

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    Duplex with Walk-Out Basement
    Duplex with Walk-Out Basement

    22-24 Conifer Court, Northport, NY 11768

    $979,000

    The Colonial-style property includes central air conditioning and a driveway.

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    Legal Two-Family Duplex
    Legal Two-Family Duplex

    527 Milligan Lane, West Islip, NY 11795

    $785,000
    0.23 AC lot

    Separate apartments feature updated kitchens, hardwood flooring, dedicated bedrooms, and access to a detached garage.

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    Brick Duplex with Garages
    Brick Duplex with Garages

    66-68 Hawthorne, East Islip, NY 11730

    $895,000
    0.52 AC lot

    Two residential units offer private garages, flexible living areas, and shared laundry hookups.

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    Waterfront Two-Family Home
    Waterfront Two-Family Home

    742 S 9th Street, Lindenhurst, NY 11757

    $525,000

    Affordable waterfront two-family home with canal and bay access.

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    Two-Unit Colonial Duplex
    Two-Unit Colonial Duplex

    46 Lincoln Avenue, Sayville, NY 11782

    $850,000
    0.17 AC lot

    Side-by-side residences include private driveways, detached garages, and expansive attic areas for storage or additional use.

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    Legal Two-Family Duplex
    Legal Two-Family Duplex

    183 S 7th Street, Lindenhurst, NY 11757

    $599,999

    Delivered vacant with finished lower-level space, separate exterior access, and shared laundry facilities.

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    Waterfront Duplex with Boat Slip
    Waterfront Duplex with Boat Slip

    756 Hickory Street, Lindenhurst, NY 11757

    $749,000
    1,200 sqft

    Legal two-family ranch with separate utilities, driveways, and canal access.

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    Duplex with Oversized Garage
    Duplex with Oversized Garage

    7 Gary Street, Lindenhurst, NY 11757

    $699,000
    0.23 AC lot

    Legal two-family property with separate entrances, finished basement space, and an attached secondary apartment.

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    Two-Unit Duplex Property
    Two-Unit Duplex Property

    33 N Washington Avenue, Centereach, NY 11720

    $549,000
    1.00 AC lot

    Two residential units offer distinct layouts, including a one-bedroom apartment and a two-bedroom residence spanning two levels.

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

    7 Gary Street, Lindenhurst, NY 11757

    $699,000

    Attached apartment and separate entrances support flexible two-family living with substantial finished and storage areas.

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    Centereach Duplex with Subdivision Potential
    Centereach Duplex with Subdivision Potential

    33 N Washington Avenue N, Centereach, NY 11720

    $549,000

    Two-unit property in Centereach with subdivision potential.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 42 Active Listings in Suffolk County, NY
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