Sign Up Successful!
You now have access to more from Realmo!
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Residential Income
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Union County, NJ Duplexes for Sale

    124 results
    List
    Map
    Updated Multi-Family Investment Opportunity
    $829,000
    0.11 Acres

    Updated Multi-Family Investment Opportunity

    346 Tucker Ave, Union, NJ 07083

    Renovated duplex in Union Twp. offers income potential.

    • Fully renovated in 2023, offering a move‑in ready, modern living experience.
    • Duplex configuration provides immediate income‑generating potential through rentals.
    • Two units each feature updated kitchens with quartz countertops and stainless steel appliances.
    • Prime location near shops, services, dining, Garden State Parkway, and Roselle Park NJT.
    • Multiple bedrooms and bathrooms across both units, including primary ensuites.
    Updated: Dec 8, 2025
    View details
    Updated Multi-Family Home in Elizabeth
    Pending
    $750,000
    0.08 Acres

    Updated Multi-Family Home in Elizabeth

    648-650 Myrtle St, Elizabeth, NJ 07202

    Updated 2-family home, ideal for owner-occupants or investors.

    • Two‑family home ideal for owner‑occupancy or investment with potential rental income
    • Finished basement and attic provide additional living space with full bathrooms
    • Four full bathrooms, one on each level
    • Central AC and hardwood floors throughout
    • Private backyard with patio and a 2‑car garage plus driveway parking
    Updated: Jan 15
    View details
    Multi-Family Home in Elmora
    $790,000

    Multi-Family Home in Elmora

    Multi-family home with bonus attic in desirable Elmora section.

    526 W End Ave, Elizabeth, NJ 07202
    View details
    Well-Maintained Two-Family Residence
    $769,000
    0.15 Acres

    Well-Maintained Two-Family Residence

    Two-family residence in Elizabeth, NJ, with parking and desirable location.

    146 Sayre St, Elizabeth, NJ 07208
    View details
    Renovated Multi-Family Home, Prime Location
    Pending
    $1,345,000
    0.78 Acres

    Renovated Multi-Family Home, Prime Location

    Two-family home in New Providence Boro, renovated in 2025.

    282 South St, New Providence, NJ 07974
    View details
    Spacious Two-Family Property
    $760,000
    0.09 Acres

    Spacious Two-Family Property

    Well-maintained two-family home with large apartments and attached garage.

    68 Port Ave, Elizabeth, NJ 07206
    View details
    Union Twp. Side-by-Side Duplex
    $950,000

    Union Twp. Side-by-Side Duplex

    Spacious duplex with updates, convenient location, and separate basements.

    159 Wyoming Ave, Union, NJ 07083
    View details
    Two-Family Home, Elizabeth Port
    Pending
    $629,900
    1,732 SF

    Two-Family Home, Elizabeth Port

    Spacious two-family home with rental income potential near transportation.

    327 Fulton St, Elizabethport, NJ 07206
    View details
    Spacious Linden Two-Family Home
    $799,000
    0.28 Acres

    Spacious Linden Two-Family Home

    Two-unit property on a large lot, delivered vacant.

    111 10Th St, Linden, NJ 07036
    View details
    Income-Generating Multifamily Home in Elizabeth
    $629,900
    0.03 Acres

    Income-Generating Multifamily Home in Elizabeth

    Rare multifamily home in Peterstown, Elizabeth with finished basement.

    614 4Th Ave, Elizabeth, NJ 07202
    View details
    Turnkey Two-Unit Property on Corner Lot
    $690,000
    2,314 SF

    Turnkey Two-Unit Property on Corner Lot

    Two-unit property with detached garage, ideal for investors or owner-occupants.

    71 Erie St, Elizabeth, NJ 07206
    View details
    Elizabeth City Two-Family Property
    $699,000
    0.06 Acres

    Elizabeth City Two-Family Property

    Two-family property in Elizabeth City with recent renovations.

    566 2Nd Ave, Elizabeth, NJ 07202
    View details
    Well-Maintained Brick Two-Family Property
    $699,999
    0.09 Acres

    Well-Maintained Brick Two-Family Property

    Side-by-side duplex in Hillside Twp., NJ, ideal for owner-occupant.

    1570-72 Clinton Pl, Hillside, NJ 07205
    View details
    Two-Family Home with Customization Potential
    $665,000

    Two-Family Home with Customization Potential

    Two-family home in Elizabeth, featuring spacious units and customization potential.

    568 Pennsylvania Ave, Elizabeth, NJ 07201
    View details
    Move-in Ready Two-Family Home
    Pending
    $730,000
    0.15 Acres

    Move-in Ready Two-Family Home

    Two-unit property with separate utilities, large yard, ample parking.

    929 Adams Ave, Elizabeth, NJ 07201
    View details
    Modern Two-Family Home in Hillside
    Pending
    $725,000
    0.06 Acres

    Modern Two-Family Home in Hillside

    Modern 3-story two-family home built in 2015 in Hillside.

    1503 Hiawatha Ave, Hillside, NJ 07205
    View details
    Modern 2-Family Home Built 2022
    Pending
    $980,000

    Modern 2-Family Home Built 2022

    Well-maintained, recently built 2-family home perfect for owner-occupants or investors.

    728 Seaport Dr, Elizabeth, NJ 07201
    View details
    Two-Family Home in Elizabeth City
    Pending
    $527,000
    0.06 Acres

    Two-Family Home in Elizabeth City

    Two-family home with finished basement, near transportation and schools.

    311 Center St, Elizabeth, NJ 07202
    View details
    Two-Family Home with Investment Potential
    Pending
    $445,900
    0.06 Acres

    Two-Family Home with Investment Potential

    Two-family home with garage, driveway, and central air.

    541 Fulton St, Elizabeth, NJ 07206
    View details
    Elmora Multifamily Investment Opportunity
    $669,000
    0.13 Acres

    Elmora Multifamily Investment Opportunity

    Multifamily property in Elmora section of Elizabeth City, close to amenities.

    207-09 W Grand St, Elizabeth, NJ 07202
    View details
    Two-Family Cape Cod in Scotch Plains
    $749,900

    Two-Family Cape Cod in Scotch Plains

    Well-maintained two-family Cape Cod with detached garage, convenient location.

    2060 Mountain Ave, Scotch Plains, NJ 07076
    View details
    Elizabeth City Multi-Family Property
    $760,000
    0.06 Acres

    Elizabeth City Multi-Family Property

    Multi-family property in Elizabeth City, NJ for sale.

    433 3Rd Ave, Elizabeth, NJ 07206
    View details
    Two-Family Home in Linden City
    Pending
    $824,999
    0.10 Acres

    Two-Family Home in Linden City

    Two-unit property with finished basement, near train station.

    1101 Bergen Ave, Linden, NJ 07036
    View details
    Updated Multi-Family Home in Rahway
    Pending
    $629,000
    0.10 Acres

    Updated Multi-Family Home in Rahway

    Updated 2-family home near Rahway Train Station.

    1374 Lambert St, Rahway, NJ 07065
    View details

    Union County, NJ Duplexes Investment Opportunities Market Analysis

    Explore 124 duplexes for sale in Union County, NJ, showcased through 124 active listings on our real estate platform. These investment opportunities span a total of 272,816 square feet of properties for sale, with an estimated market value of $40,765,395.

    Prices for duplexes in Union County, NJ start at $435,000, averaging $702,851, and reaching up to $1,345,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

    List
    Map

    Duplexes by market

    Browse Duplexes for Sale Near Union, NJ

    Popular Categories

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Create New Password
    • At least 8 characters
    • Contains both letters and numbers
    • Contains uppercase and lowercase letters
    • At most 32 characters
    • Password required
    • Password reset link has expired. Please request a new one.