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    Nassau County, NY Duplexes for Sale

    138 results
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    Colonial Multifamily Property in Westbury
    $1,248,888
    0.28 Acres

    Colonial Multifamily Property in Westbury

    32 Longfellow Ave, Westbury, NY 11590

    Move-in ready multifamily home with spacious yard in Westbury, NY.

    • Move‑in ready condition with updated flooring, lighting, and neutral interiors.
    • Generously sized, level lot with ample outdoor space.
    • Spacious living and family rooms offering flexibility.
    • Well‑appointed kitchen with abundant cabinetry and modern appliances.
    • Convenient location near local amenities, schools, and main roads.
    Updated: Jan 18
    View details
    Spacious Two-Family Home, East Rockaway
    $1,150,000
    3,000 SF

    Spacious Two-Family Home, East Rockaway

    25 Davison Ave, East Rockaway, NY 11518

    Large legal two-family home in East Rockaway, Lynbrook School District.

    • Large legal two‑family home with over 3,000 sq ft of living space.
    • Located in East Rockaway within the Lynbrook School District.
    • Updated eat‑in kitchen with gas cooking on the first floor.
    • Full finished basement with an outside entrance.
    • 2. 5‑car garage.
    Updated: Jan 18
    View details
    Long Beach Multifamily Property
    $895,000
    0.05 Acres

    Long Beach Multifamily Property

    Two-family tutor-style home near the beach in Long Beach, NY.

    107 Pacific Blvd, Long Beach, NY 11561
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    Valley Stream Two-Family Home
    $1,099,990
    0.11 Acres

    Valley Stream Two-Family Home

    Well-maintained two-family home in Valley Stream with income potential.

    83 W Valley Stream Blvd, Valley Stream, NY 11580
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    Renovated Two-Family Valley Stream Residence
    $869,000
    0.11 Acres

    Renovated Two-Family Valley Stream Residence

    Fully renovated two-family home near parks and Belmont Park Village.

    202 Emerson Pl, Valley Stream, NY 11580
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    West Hempstead Two-Family Home
    $799,000
    0.11 Acres

    West Hempstead Two-Family Home

    Well-maintained two-family home with income potential in West Hempstead.

    618 Jennings Ave, West Hempstead, NY 11552
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    Two-Family Home in Mineola, NY
    $870,000
    0.11 Acres

    Two-Family Home in Mineola, NY

    Two-family home with four bedrooms and a two-car garage.

    151 Lincoln Ave, Mineola, NY 11501
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    Long Beach Multi-Family Home
    Pending
    $999,000
    0.14 Acres

    Long Beach Multi-Family Home

    Multi-family home in Long Beach near beach and amenities.

    345 E Park Ave, Long Beach, NY 11561
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    Renovated Valley Stream Two-Family Home
    $989,000

    Renovated Valley Stream Two-Family Home

    Fully renovated two-family home with six bedrooms and three baths.

    115 N Corona Ave, Valley Stream, NY 11580
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    Rockville Centre Multi-Family Home
    $849,000
    0.18 Acres

    Rockville Centre Multi-Family Home

    Two-family home with finished basement and detached garage in Rockville Centre.

    15 Water St, Rockville Centre, NY 11570
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    Six-Bedroom Legal Two-Family Home
    $749,000
    0.11 Acres

    Six-Bedroom Legal Two-Family Home

    Two-family home with six bedrooms, Section 8 approved, great investment.

    3840 Linden Pl, Hempstead, NY 11550
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    Two-Family Home Near Atlantic Ocean
    $875,000
    0.09 Acres

    Two-Family Home Near Atlantic Ocean

    Two-family home in Westholme section of Long Beach, NY.

    470 Lafayette Blvd, Long Beach, NY 11561
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    Spacious Colonial Duplex in Mineola
    Pending
    $1,249,000
    0.14 Acres

    Spacious Colonial Duplex in Mineola

    Nine-bedroom duplex near LIRR, ideal for large family or investment.

    47 Jackson Ave, Mineola, NY 11501
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    Beachfront Two-Family Home with Cottage
    $1,499,000
    0.06 Acres

    Beachfront Two-Family Home with Cottage

    Legal two-family home with Sound views and beach access.

    19 Pine Ln, Bayville, NY 11709
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    Mineola Two-Family Investment Opportunity
    Pending
    $1,150,000
    0.11 Acres

    Mineola Two-Family Investment Opportunity

    Two-family property in Mineola, near LIRR, with finished basement.

    41 Jackson Ave, Mineola, NY 11501
    View details
    Renovated Two-Family Home
    $788,000
    0.06 Acres

    Renovated Two-Family Home

    Newly renovated two-family home with modern amenities in Valley Stream.

    121 Carroll Ave, Valley Stream, NY 11580
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    Valley Stream Two-Family Home
    $929,000
    0.10 Acres

    Valley Stream Two-Family Home

    Two-unit home with eat-in kitchens, terrace, and ample storage.

    34 Meyer Ave, Valley Stream, NY 11580
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    Brick Cape Cod Multi-Family Home
    $895,000
    0.17 Acres

    Brick Cape Cod Multi-Family Home

    Legal two-family home with modern amenities and spacious backyard.

    114 Lexington Ave, Franklin Square, NY 11010
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    Legal Two-Family Duplex in Bayville
    Pending
    $549,000
    0.07 Acres

    Legal Two-Family Duplex in Bayville

    Legal two-family duplex with investment potential near beaches.

    3 4Th St, Bayville, NY 11709
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    Income-Generating Multi-Family Home
    Pending
    $999,000
    0.14 Acres

    Income-Generating Multi-Family Home

    Updated multi-family home with rental cottage in Lynbrook, NY.

    45 Lynbrook Ave, Lynbrook, NY 11563
    View details
    Long Beach Multifamily Income Property
    $2,100,000

    Long Beach Multifamily Income Property

    Income property in prime location, walk to everything!

    215 Roosevelt Blvd, Long Beach, NY 11561
    View details
    Valley Stream Legal Two-Family Home
    $849,000
    0.09 Acres

    Valley Stream Legal Two-Family Home

    Legal two-family home near transportation, shopping, and parks.

    27 W Lincoln Ave, Valley Stream, NY 11580
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    Charming Two-Family Home
    $719,000
    0.08 Acres

    Charming Two-Family Home

    Two-family home near shops and transportation in Long Beach, NY.

    213 E Market St, Long Beach, NY 11561
    View details
    Valley Stream Two-Family Investment Opportunity
    Pending
    $655,000
    0.09 Acres

    Valley Stream Two-Family Investment Opportunity

    Two-family property with renovation and expansion potential in Valley Stream.

    343 Cochran Pl, Valley Stream, NY 11581
    View details

    Nassau County, NY Duplexes Investment Opportunities Market Analysis

    Explore 138 duplexes for sale in Nassau County, NY, showcased through 138 active listings on our real estate platform. These investment opportunities span a total of 410,370 square feet of properties for sale, with an estimated market value of $67,095,448.

    Prices for duplexes in Nassau County, NY start at $515,000, averaging $972,397, and reaching up to $2,650,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Duplexes by market

    Browse Duplexes for Sale Near Nassau, NY

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