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    Newark, NJ Trenton, NJ Paterson, NJ

    Middlesex County, NJ Duplexes for Sale

    49 results
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    High-Income Two-Family with Garage
    $849,000
    1,499 SF

    High-Income Two-Family with Garage

    49-B Middlesex Road, Old Bridge, NJ 07747

    Updated duplex with strong cash flow and garage income.

    • High‑income producing 2‑family property generating $80,000+ annually.
    • Rare attached 4‑car garage with 15‑foot‑high doors, rented separately for additional income.
    • Two updated units, each with 2 bedrooms, 1 full bath, and in‑unit laundry.
    • Upper unit features bright living room with cathedral ceilings and skylights.
    • Extensive interior updates including windows, roof, kitchen, bath, sheetrock, plumbing & electrical.
    Updated: Feb 23
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    Monroe Multi-Family Home
    $415,000
    1,184 SF

    Monroe Multi-Family Home

    81 E Lincoln Avenue, Monroe, NJ 08831

    Rare multi-family home in desirable Monroe Township.

    • Rare multi‑family home in desirable Monroe Twp.
    • Ideal for investment, owner‑occupied, or multi‑generational living.
    • Two meticulously kept units, each with a kitchen and living room.
    • Separate driveways and entrances for each unit.
    • Basement with laundry and ample storage accessible to both units.
    Updated: Apr 7
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    Two-Family Brick Residence
    $649,900
    1,792 SF

    Two-Family Brick Residence

    Well-maintained two-family brick residence on a spacious corner lot.

    40 Cleremont Avenue, North Brunswick, NJ 08902
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    South River Two-Family Property
    $429,000
    2,195 SF

    South River Two-Family Property

    Two-family property in South River with potential.

    2 Darrow Street, South River, NJ 08882
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    Well-Maintained New Brunswick Multifamily Property
    $649,900
    2,084 SF

    Well-Maintained New Brunswick Multifamily Property

    Two-family property with income potential near Rutgers University.

    267 Townsend Street, New Brunswick, NJ 08901
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    Spacious Duplex Near Train Station
    $899,000
    0.15 Acres

    Spacious Duplex Near Train Station

    Large duplex with refinished floors, updated kitchen, and garage.

    227-229 Bordentown Avenue, South Amboy, NJ 08879
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    Metuchen Two-Family Investment Opportunity
    $599,900
    1,280 SF

    Metuchen Two-Family Investment Opportunity

    Well-maintained two-family property near downtown Metuchen and NYC train.

    551 Main Street, Metuchen, NJ 08840
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    Two-Family Home Near NYC Transit
    $615,000
    0.06 Acres

    Two-Family Home Near NYC Transit

    Well-maintained two-family home near South Amboy train station.

    224 Gordon St, South Amboy, NJ 08879
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    Bright Home in Active Community
    $479,900
    1,715 SF

    Bright Home in Active Community

    Two-bedroom home with amenities in an active adult community.

    17 Umberland Place, Monroe, NJ 08831
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    Two-Family Investment Property in Carteret
    $615,000
    1,540 SF

    Two-Family Investment Property in Carteret

    Two-unit property with separate utilities and development potential.

    72 Pulaski Avenue, Carteret, NJ 07008
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    North Brunswick Duplex with Basements
    $650,000
    0.21 Acres

    North Brunswick Duplex with Basements

    Two-family duplex with finished basements and large backyard.

    1033 Grove Street, North Brunswick, NJ 08902
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    Two-Family Property with Large Yard
    $625,000
    1,860 SF

    Two-Family Property with Large Yard

    Well-maintained duplex with income potential and a large yard.

    13 Millers Ln, Milltown, NJ 08850
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    Two-Family Home with Large Yard
    $625,000
    1,860 SF

    Two-Family Home with Large Yard

    Well-maintained duplex with income potential and a large yard.

    13 Millers Lane, Milltown, NJ 08850
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    Two-Family Home with Large Yard
    $625,000
    1,860 SF

    Two-Family Home with Large Yard

    Well-maintained two-family property with income potential and a large yard.

    13 Millers Lane, Milltown, NJ 08850
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    Two-Family Home Near Waterfront
    $630,000
    2,324 SF

    Two-Family Home Near Waterfront

    Two-family home with 3-bedroom apartments in prime waterfront location.

    130 Catalpa Avenue, Perth Amboy, NJ 08861
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    Highland Park Two-Family Home
    $609,999
    1,530 SF

    Highland Park Two-Family Home

    Two-family home in Highland Park with updated features.

    6 S 9th Avenue, Highland Park, NJ 08904
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    Two-Family Rebuild Opportunity
    $399,000

    Two-Family Rebuild Opportunity

    Rebuild opportunity near universities and hospitals.

    259 Hale Street, New Brunswick, NJ 08901
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    Two-Family Home Near Train Station
    $615,000
    0.06 Acres

    Two-Family Home Near Train Station

    Well-maintained two-family home near South Amboy train station.

    224 Gordon Street, South Amboy, NJ 08879
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    Renovated Two-Family Home in Carteret
    $700,000
    2,500 SF

    Renovated Two-Family Home in Carteret

    Spacious two-family home with recent renovations and finished basement.

    41 Elmwood Avenue, Carteret, NJ 07008
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    Spacious Two-Family Home in Woodbridge
    $789,000
    0.11 Acres

    Spacious Two-Family Home in Woodbridge

    Well-maintained two-family home with finished basement and detached garage.

    Port Reading, NJ 07064
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    South Amboy Duplex Opportunity
    $500,000
    1,276 SF

    South Amboy Duplex Opportunity

    Two-family duplex in excellent condition, fully rented, convenient location.

    165 2nd Street, South Amboy, NJ 08879
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    New Brunswick Multifamily Investment Opportunity
    $525,000
    1,763 SF

    New Brunswick Multifamily Investment Opportunity

    Well-maintained two-unit property near Rutgers University and downtown.

    314 Seaman Street, New Brunswick, NJ 08901
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    Spacious Two-Family Home in Port Reading
    $789,000

    Spacious Two-Family Home in Port Reading

    Well-maintained two-family home, ideal for investors or owner-occupants.

    34 Henry Street, Port Reading, NJ 07064
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    Port Reading Multifamily Investment Opportunity
    $469,900
    1,075 SF

    Port Reading Multifamily Investment Opportunity

    Two-family home in Port Reading with investment potential.

    83 Daniel Street, Port Reading, NJ 07064
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    Middlesex County, NJ Duplexes Investment Opportunities Market Analysis

    Explore 49 duplexes for sale in Middlesex County, NJ, showcased through 49 active listings on our real estate platform. These investment opportunities span a total of 227,697 square feet of properties for sale, with an estimated market value of $24,328,498.

    Sale prices for duplexes in Middlesex County, NJ start at $449,000, averaging $675,791, and reaching up to $1,540,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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