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    Middlesex County, NJ Multifamily Properties for Sale

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    152 properties
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    Triplex with Three-Level Unit
    Updated: Oct 11
    Triplex with Three-Level Unit

    262 Prospect Ave, Dunellen, NJ 08812

    $1,199,000
    5,571 sqft
    Three residences totaling 5,571 square feet; rebuilt and expanded in 2018
    Unit 1: 2 bedrooms, 1 bath, and breakfast nook on one level
    Unit 2: 3 bedrooms, 2 baths, and finished third‑floor area
    Unit 3 spans three levels with 3+ bedrooms, 4 full baths, and a 23‑foot primary suite
    Six parking spaces, paver patios, covered pergola, and deck
    View details
    Renovated Duplex with Separate ADU
    Updated: Sep 14
    Renovated Duplex with Separate ADU

    309 S 2nd Avenue S, Highland Park, NJ 08904

    $899,000
    2,292 sqft 0.19 AC lot
    2,292 square feet on a 0.1882‑acre lot
    Main residence offers 4 bedrooms and 2 baths
    Separate ADU includes 1 bedroom, 1 bath, and its own kitchen
    Renovated kitchens and bathrooms in both living spaces
    Full basement with interior and exterior access
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    Duplex with Finished Attic
    Duplex with Finished Attic

    1615 Harvard Avenue, Highland Park, NJ 08904

    $800,000
    1,992 sqft 0.11 AC lot

    Two apartments each offer two bedrooms, complemented by a finished attic and a full bathroom in the basement.

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    4-Unit Quadplex with Three-Bedroom Units
    4-Unit Quadplex with Three-Bedroom Units

    131-133 Patterson St, Perth Amboy, NJ 08861

    $950,000
    2,552 sqft

    Four residential units offer three-bedroom layouts with living rooms in an as-is property requiring buyer repairs and C of O.

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    Three-Unit Residential Property
    Three-Unit Residential Property

    216 Amherst Street, Highland Park, NJ 08904

    $849,900
    2,583 sqft 0.12 AC lot

    Three separate residences are complemented by basement storage, a two-car garage, and outdoor areas.

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    Side-by-Side Duplex
    Side-by-Side Duplex

    13-15 Haag Street, Sayreville, NJ 08872

    $749,900
    2,304 sqft 0.12 AC lot

    Both residences are tenant-occupied and feature refreshed kitchens and flooring.

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    Duplex with Separate Systems
    Duplex with Separate Systems

    482 Rahway Avenue, Woodbridge, NJ 07095

    $669,900
    2,462 sqft 0.11 AC lot

    Legal two-family property with matching three-bedroom apartments and individual utility systems.

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    Commercial Land with Existing Home
    Commercial Land with Existing Home

    956 State Route 33 E, Monroe, NJ 08831

    $1,600,000
    2,318 sqft

    Highway Development zoning accompanies an existing two-family home along the Route 33 corridor.

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    Brick Duplex with Deck
    Brick Duplex with Deck

    16 Somerset Street, Carteret, NJ 07008

    $699,900
    1,842 sqft 0.10 AC lot

    Two residential units offer separate kitchens, living rooms, and one-bedroom configurations for flexible occupancy.

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    Duplex with Finished Walk-Up Attic
    Duplex with Finished Walk-Up Attic

    40 Throop Avenue, New Brunswick, NJ 08901

    $625,000
    2,594 sqft 0.05 AC lot

    Two residential units offer hardwood flooring, full appliance packages, and access to shared basement storage.

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    Two-Unit Duplex with Water Views
    Two-Unit Duplex with Water Views

    275 Laurence Pkwy, South Amboy, NJ 08879

    $575,000
    1,120 sqft

    Two apartments include one two-bedroom unit and one three-bedroom unit.

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    Renovated Duplex with Two Units
    Renovated Duplex with Two Units

    27 Alexander St, New Brunswick, NJ 08901

    $549,000
    1,760 sqft 0.06 AC lot

    Two-unit property with separate gas and electric utilities, updated first-floor kitchen, basement storage, and public water and sewer.

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    Renovated Duplex with Private Basements
    Renovated Duplex with Private Basements

    28 VICTORIA Avenue, Spotswood, NJ 08884

    $819,000
    2,152 sqft 0.23 AC lot

    Two three-bedroom units offer separate utilities, laundry areas, driveways, and private yard space.

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    Side-by-Side Duplex
    Side-by-Side Duplex

    1315 13-15 Haag St, Sayreville, NJ 08872

    $749,900
    2,304 sqft

    Both residences are tenant-occupied and feature updated kitchens and flooring.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    331 Watson Avenue, Perth Amboy, NJ 08861

    $525,000
    1,200 sqft 0.04 AC lot

    Brick residential income property with separate meters, central air, porches, and a fenced yard.

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    Updated Duplex with Central Air
    Updated Duplex with Central Air

    331 Watson Ave, Perth Amboy, NJ 08861

    $525,000
    1,650 sqft 0.04 AC lot

    Two-story duplex with separate metering, an open porch, and a fenced yard.

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    Renovated Duplex With Separate Utilities
    Renovated Duplex With Separate Utilities

    27 Alexander St, New Brunswick, NJ 08901

    $549,000
    1,760 sqft

    Legal two-family property with separate gas and electric utilities for each unit.

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    Duplex with Finished Basement
    Duplex with Finished Basement

    35 Lavern Street, Sayreville, NJ 08872

    $675,000
    1,440 sqft 0.15 AC lot

    Both residences offer two bedrooms and one full bathroom, with a finished basement adding a separate full bathroom.

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    Two-Family Duplex with Private Yard
    Two-Family Duplex with Private Yard

    27 Thomas St, South River, NJ 08882

    $580,000
    1,615 sqft

    Two residential units with separate outdoor access and a newly constructed two-car garage on a fully fenced lot.

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    Mixed-Use Property with Storefront
    Mixed-Use Property with Storefront

    612 Livingston Avenue, North Brunswick, NJ 08902

    $899,900
    1,839 sqft 0.11 AC lot

    C1-zoned corner property combines a business-facing storefront with residential units and public utilities.

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    Side-by-Side Duplex with Basements
    Side-by-Side Duplex with Basements

    11 Mayfield Pl, Metuchen, NJ 08840

    $1,099,000
    1,680 sqft

    Two residential units offer private basements, driveways, and fenced backyards.

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    Five-Unit Multifamily Property
    Five-Unit Multifamily Property

    160 Talmadge Road, Edison, NJ 08817

    $1,600,000
    40,755 sqft 0.94 AC lot

    Three residential structures include month-to-month rentals and a side-by-side duplex.

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    Updated Duplex with Garage
    Updated Duplex with Garage

    32 Avenel St, Avenel, NJ 07001

    $659,900
    1,514 sqft

    Two-family property with separate utilities, heated outdoor living space, and substantial off-street parking.

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

    44 N Whittier Street N, Carteret, NJ 07008

    $849,999
    3,000 sqft 0.11 AC lot

    Each residence offers three bedrooms, two full bathrooms, central air conditioning, and forced-air heating.

    View details

    Middlesex County, NJ Multifamily Properties Market Trends and Statistics

    Explore 152 multifamily properties for sale in Middlesex County, NJ, showcased through 152 active listings on our real estate platform. These investment opportunities span a total of 327,327 square feet of properties for sale, with an estimated market value of $128,848,086.

    Sale prices for multifamily properties in Middlesex County, NJ start at $349,000, averaging $876,517, and reaching up to $19,250,000 — 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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    Featured Middlesex County Real Estate Agencies

    Realmo connects you with licensed Middlesex County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    J J Elek Realty
    117 Main Street Woodbridge, NJ 07095
    Phone: 17326349100
    www.jjelekrealty.com
    Mid State Realty
    391 Spotswood Englishtown Road, Suite 1 Monroe Township, NJ 08831
    Phone: 17322518900
    www.midstate-realty.com
    Davis Realtors
    288 Summerhill Road East Brunswick, NJ 08816
    Phone: 17322546700
    www.davisrealtors.net
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