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    Suffolk County, NY Duplexes for Sale

    41 results
    Notify Me
    Rebuilt Two-Family Home
    $999,000
    Pending

    Rebuilt Two-Family Home

    437 Sunrise Hwy, West Babylon, NY 11704

    Legal two-family home in West Babylon, completely rebuilt.

    • Completely rebuilt legal 2‑family home (3/1 over 3/1) by Certificate of Occupancy (CO).
    • Each unit features a modern eat‑in kitchen with white cabinets, stainless steel appliances, quartz countertops, and a center island.
    • Each unit includes 3 large bedrooms, an open floor plan, and a gorgeous full bathroom with a tub.
    • Laundry hookups are conveniently located in the hall closet of each unit.
    • Large driveway in both the front and rear of the property.
    Last Update: Nov 14
    View details
    Oakdale Legal Two-Family Home
    $875,000
    Pending

    Oakdale Legal Two-Family Home

    141-143 Oakdale Bohemia Rd, Oakdale, NY 11769

    Two spacious units on a large 1.1-acre lot.

    • Legal 2‑family home, ideal for investment or multi‑generational living
    • Located in the desirable Connetquot School District
    • Spacious units, approximately 1600 sq ft each
    • Large 1.1‑acre backyard accessible to both units
    • Ample parking with a driveway that accommodates 10 vehicles
    Last Update: Nov 11
    View details
    New
    Patchogue Legal Two-Family Residence
    $550,000
    0.08 Acres

    Patchogue Legal Two-Family Residence

    Legal two-family property in Patchogue Village, New York.
    13 Academy St, Patchogue, NY 11772
    View details
    Updated Two-Family Home, Large Yard
    $859,000
    0.36 Acres

    Updated Two-Family Home, Large Yard

    Legal two-family home with updates, garage, driveway, and large yard.
    21 Locust Ave, Amityville, NY 11701
    View details
    Two-Family Townhomes Near Huntington Station
    $850,000
    Pending

    Two-Family Townhomes Near Huntington Station

    Two renovated 3-bedroom townhomes with income potential near transportation.
    160 Mckay Rd, Huntington Station, NY 11746
    View details
    New
    Riverhead Two-Family Home For Sale
    $799,000
    0.12 Acres

    Riverhead Two-Family Home For Sale

    Two-family home in Riverhead with existing rental income.
    418 Lincoln St, Riverhead, NY 11901
    View details
    Sayville Legal Two-Family Residence
    $699,990
    0.27 Acres

    Sayville Legal Two-Family Residence

    Two-family property in Sayville with long-term tenants.
    60 Lincoln Ave, Sayville, NY 11782
    View details
    Historic Colonial Estate with Two Houses
    $965,000
    1.00 Acre

    Historic Colonial Estate with Two Houses

    Versatile residential/commercial estate in East Moriches with two houses.
    428 Montauk Hwy, East Moriches, NY 11940
    View details
    Renovated Two-Family Home, Bay Shore
    $679,000
    Pending

    Renovated Two-Family Home, Bay Shore

    Two-family home near LIRR and Bay Shore's amenities.
    39 Chapman Pl, Bayshore, NY 11706
    View details
    New
    Amityville Legal Two-Family Home
    $949,000
    Pending

    Amityville Legal Two-Family Home

    Legal two-family home in Amityville with income potential.
    168 Oldfield Ave, Amityville, NY 11701
    View details
    New
    West Babylon Two-Family Home
    $674,990
    0.23 Acres

    West Babylon Two-Family Home

    Legal two-family home with large yard in West Babylon.
    1558 9Th St, West Babylon, NY 11704
    View details
    New
    Copiague Duplex: Investor's Delight
    $769,000
    Pending

    Copiague Duplex: Investor's Delight

    Well-maintained duplex near transportation, ideal for investors.
    540 Oak St, Copiague, NY 11726
    View details
    New
    East Quogue Multi-Family Residence
    $1,295,000
    0.15 Acres

    East Quogue Multi-Family Residence

    Updated multi-family home near Shinnecock Bay with water views.
    13 Willow Shade Ave, East Quogue, NY 11942
    View details
    New
    Patchogue Legal Two-Family Home
    $659,000
    0.19 Acres

    Patchogue Legal Two-Family Home

    Legal 2-family in Patchogue near Main Street and transportation.
    21 S Summit Ave, Patchogue, NY 11772
    View details
    New
    Well-Maintained West Babylon Two-Family Home
    $724,000
    0.14 Acres

    Well-Maintained West Babylon Two-Family Home

    Two-family residence in West Babylon with rental income potential.
    1316 12Th St, West Babylon, NY 11704
    View details
    Updated Duplex in Islip, NY
    $599,999
    Pending

    Updated Duplex in Islip, NY

    Updated two-family home in Islip with income potential.
    25 1St St, Islip, NY 11751
    View details
    Updated Duplex in Huntington Station
    $699,000
    Pending

    Updated Duplex in Huntington Station

    Updated legal two-family home with detached garage and park-like grounds.
    109 W 21St St, Huntington Station, NY 11746
    View details
    Well-Maintained Lindenhurst Two-Family Residence
    $499,999
    Pending

    Well-Maintained Lindenhurst Two-Family Residence

    Legal two-family home with income potential near schools and transportation.
    61 Kellum St, North Lindenhurst, NY 11757
    View details
    Turnkey Legal 2-Family Home
    $599,000
    Pending

    Turnkey Legal 2-Family Home

    Legal 2-family home in Wyandanch, generating strong, guaranteed income.
    62 N 16Th St, Wyandanch, NY 11798
    View details
    Bay Shore Legal Duplex
    $599,000
    Pending

    Bay Shore Legal Duplex

    Well-maintained legal 2-family residence in a desirable neighborhood.
    44 Chapman Pl, Bayshore, NY 11706
    View details
    Riverhead Duplex with Rental Income
    $679,988
    2,750 SF

    Riverhead Duplex with Rental Income

    Two-family home in Riverhead, currently generating rental income.
    418 Lincoln St, Riverhead, NY 11901
    View details
    Income-Producing Multi-Family Property
    $1,699,000
    2,919 SF

    Income-Producing Multi-Family Property

    Multi-family property with two residences, gardens, and potential income.
    153 Ponquogue Ave, Hampton Bays, NY 11946
    View details
    East Northport Legal Two Family
    $699,999
    0.17 Acres

    East Northport Legal Two Family

    Legal two-family home in East Northport with rental income potential.
    167 Vernon Valley Rd, East Northport, NY 11731
    View details
    Copiague Duplex with Detached Garage
    $650,000
    Pending

    Copiague Duplex with Detached Garage

    Legal duplex near shopping, dining, and train station in Copiague.
    225 Oak St, Copiague, NY 11726
    View details

    Suffolk County, NY Duplexes Investment Opportunities Market Analysis

    Explore 41 duplexes for sale in Suffolk County, NY, showcased through 41 active listings on our real estate platform. These investment opportunities span a total of 344,320 square feet of properties for sale, with an estimated market value of $22,525,977.

    Prices for duplexes in Suffolk County, NY start at $499,999, averaging $834,295, and reaching up to $2,300,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Browse Duplexes for Sale Near Suffolk, NY

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