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    Union County, NJ Multifamily Properties for Sale

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    271 properties
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    Duplex Renovation Property
    Updated: Oct 2
    Duplex Renovation Property

    525 Leo St, Hillside, NJ 07205

    $599,000
    4,252 sqft 0.12 AC lot
    4,252‑square‑foot duplex on a 0.12‑acre lot
    Interior fully gutted; demolition completed
    Room list includes 4 bedrooms, 2 bathrooms, and a basement
    Built in 1934
    Public water and public sewer
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    Four-Unit Quadplex with Finished Attic
    Updated: Sep 7
    Four-Unit Quadplex with Finished Attic

    668 Clarkson Ave, Elizabeth, NJ 07202

    $995,000
    3,946 sqft 0.08 AC lot
    Four‑unit quadplex with 3,946 square feet
    Each unit includes 2 bedrooms, 1 full bathroom, living room, and eat‑in kitchen
    Finished attic provides additional usable space
    Walk‑in basement divided into 2 sections
    0.08‑acre parcel with car parking
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    Duplex with Two Garages
    Duplex with Two Garages

    655 4Th Ave, Elizabeth, NJ 07202

    $699,000
    2,314 sqft 0.06 AC lot

    Two separate apartments provide distinct bedroom, living, dining, and kitchen layouts.

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    Mixed-Use Property with Liquor License
    Mixed-Use Property with Liquor License

    400 Seaton Ave, Roselle Park, NJ 07204

    $1,399,000
    4,000 sqft

    Bar and restaurant space is paired with two residential apartments and basement storage.

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    Two-Unit Duplex with Deck
    Two-Unit Duplex with Deck

    128 Dalton St, Roselle Park, NJ 07204

    $560,000
    2,414 sqft 0.07 AC lot

    Both apartments have two bedrooms, a living room, dining room, den, eat-in kitchen and full bathroom.

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    Renovated Duplex with Full Basement
    Renovated Duplex with Full Basement

    738 Edgar Road, Elizabeth, NJ 07202

    $529,000
    1,736 sqft 0.05 AC lot

    Two residential units, private outdoor space, and public utilities support flexible occupancy or rental use.

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

    221 223 E 2Nd Ave, Roselle, NJ 07203

    $959,000
    2,911 sqft 0.32 AC lot

    Two attached residences with private outdoor features, central air, and public water and sewer service.

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    Renovated Two-Family Duplex
    Renovated Two-Family Duplex

    29 S 2ND STREET, Elizabeth, NJ 07206

    $1,250,000
    5,610 sqft

    Fully updated two-unit property with finished basement and attic areas for added flexibility.

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    Under-Construction Duplex
    Under-Construction Duplex

    1023 Grove St, Elizabeth, NJ 07202

    $1,250,000
    4,649 sqft 0.11 AC lot

    New construction with central air, forced-air heating, public utilities, and an oversized garage.

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    Three-Unit Mixed-Use Property
    Three-Unit Mixed-Use Property

    301 E 9Th Ave, Roselle, NJ 07203

    $649,900
    2,604 sqft 0.06 AC lot

    Ground-floor convenience retail accompanies two updated residential apartments, including a three-bedroom and a one-bedroom layout.

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    Three-Unit Multifamily Property
    Three-Unit Multifamily Property

    700 700-702 Park Ave, Elizabeth, NJ 07208

    $1,249,000
    5,328 sqft

    Unit mix includes three-, two-, and one-bedroom layouts with a detached garage and private driveway.

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    Residential Duplex with Deck
    Residential Duplex with Deck

    50 Reid St, Elizabeth, NJ 07201

    $720,000
    2,052 sqft 0.06 AC lot

    The property includes a deck and patio, with shopping, dining, transit, and major highways nearby.

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    Two-Unit Duplex Property
    Two-Unit Duplex Property

    153 S Park Street, Elizabeth, NJ 07206

    $629,000
    1,826 sqft 0.05 AC lot

    Separate three-bedroom and two-bedroom units each include one full bath for occupancy or leasing flexibility.

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    Mixed-Use Development with Transit Access
    Mixed-Use Development with Transit Access

    600 Chestnut St, Roselle Park, NJ 07204

    $1,399,000
    4,999 sqft

    Five-unit mixed-use property across from an NJ Transit rail station, offering flexible space for residential and commercial use.

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    Victorian Quadplex with Updated Interiors
    Victorian Quadplex with Updated Interiors

    2 Hillside Ave, Summit, NJ 07901

    $1,800,000
    4,239 sqft 0.17 AC lot

    Four apartments pair refreshed kitchens and baths with original architectural details and dedicated storage.

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    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    444 3rd Ave, Elizabeth, NJ 07206

    $999,000
    0.06 AC lot

    Two distinct residences offer separate laundry, with one unit extending into the basement and the other arranged on one level.

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    Renovated Duplex with Two-Car Garage
    Renovated Duplex with Two-Car Garage

    1091 Alfieri Ct, Union, NJ 07083

    $1,099,900
    2,744 sqft

    Renovated two-family property with separate utilities, finished basement, and substantial off-street parking.

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    Duplex with Third-Floor Bonus Space
    Duplex with Third-Floor Bonus Space

    1602 Bayview Ave, Hillside, NJ 07205

    $599,000
    3,301 sqft 0.09 AC lot

    Two-story duplex with additional upper-level space, public utilities, and a shingle roof.

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    Mixed-Use Commercial and Residential Building
    Mixed-Use Commercial and Residential Building

    459 Fulton St, Elizabeth, NJ 07206

    $1,199,000
    7,500 sqft

    Ground-floor commercial/warehouse space with high ceilings and loading access pairs with three income residential units.

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    Brick Quadplex with Vacant Unit
    Brick Quadplex with Vacant Unit

    3016 S Wood Ave, Linden, NJ 07036

    $1,049,000
    0.20 AC lot

    Four-family brick property with one available apartment and washer-dryer hookups in every unit.

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    Duplex with Ground-Level Living Space
    Duplex with Ground-Level Living Space

    183 Laurel Ave, Union, NJ 07083

    $799,900
    2,813 sqft

    Two three-bedroom units offer hardwood floors, flexible lower-level space, and parking for multiple vehicles.

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    Mixed-Use Property with Rooftop Terrace
    Mixed-Use Property with Rooftop Terrace

    2003 Morris Ave, Union, NJ 07083

    $3,500,000
    0.54 AC lot

    The offering combines multifamily residences with commercial space configured for events, offices, and coworking.

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    Two-Story Mixed-Use Building
    Two-Story Mixed-Use Building

    2376 Mountain Ave, Scotch Plains, NJ 07076

    $1,095,000
    5,000 sqft

    Includes two three-bedroom apartments, basement storage, and attic space.

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    Duplex with Flexible Workspace
    Duplex with Flexible Workspace

    327 North Ave E, Cranford, NJ 07016

    $799,900
    0.14 AC lot

    Two-family property with finished basement space, off-street parking, and mixed-use/commercial zoning subject to municipal approvals.

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    Union County, NJ Multifamily Properties Market Trends and Statistics

    Explore 271 multifamily properties for sale in Union County, NJ, showcased through 271 active listings on our real estate platform. These investment opportunities span a total of 203,361 square feet of properties for sale, with an estimated market value of $229,243,333.

    Sale prices for multifamily properties in Union County, NJ start at $375,000, averaging $898,993, and reaching up to $4,200,000 — 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 Union County Real Estate Agencies

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

    Better Homes and Gardens RE Elite
    181 North Ave East Cranford, NJ 07016
    Phone: 19083168530
    coldwell banker liberty
    67 ELMORA AVE Elizabeth, NJ 07202
    Phone: 19085271711
    www.homesliberty.com
    Century 21 Real Estate Group
    1824 Front Scotch Plains, NJ 07076
    Phone: 19083222901
    www.century21realestategroupnj.com
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