Union County, NJ Duplexes for sale

$665,000

Two-Family Home with Customization Potential

568 Pennsylvania Ave, Elizabeth, NJ 07201

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

Spacious two‑family home offering income potential.
Located in a gated complex for added security.
Each unit features 3 beds and 2 baths.
Attached 2‑car garage provides convenient parking.
Opportunity for customization and value‑add through repairs.

Updated: Jan 8

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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

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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

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Pending

$750,000

0.08 Acres

Updated Multi-Family Home in Elizabeth

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

648-650 Myrtle St, Elizabeth, NJ 07202

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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

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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

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$700,000

0.09 Acres

Hillside Twp. Duplex For Sale

Multi-family duplex in Hillside Twp., NJ, with 0.09-acre lot.

1570 Clinton Pl, Hillside, NJ 07205

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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

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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

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$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

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$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

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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

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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

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$680,000

0.10 Acres

Multi-Family Property Near EWR Airport

Two-family property in Elizabeth City, near transportation and EWR Airport.

580 Monroe Ave, Elizabeth, NJ 07201

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Multi-Family Property, Elizabeth City, NJ

$599,000

0.06 Acres

Multi-Family Property, Elizabeth City, NJ

Two-family property with income potential near transportation and amenities.

128-pt130 4Th St, Elizabeth, NJ 07206

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$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

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Two-Family Property Investment Opportunity

$525,000

0.06 Acres

Two-Family Property Investment Opportunity

Two-family property with income potential near transportation and amenities.

322 S 7Th St, Elizabeth, NJ 07202

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Pending

$575,000

0.06 Acres

Updated Multi-Family Home

Recently updated two-family home with investment potential.

234 Lt Glenn Zamorski Dr, Elizabeth, NJ 07206

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$650,000

0.06 Acres

Two-Family Property Investment Opportunity

Cash-producing two-family property with income potential near amenities.

514 Marshall St, Elizabeth, NJ 07206

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Two-Story Multi-Family Near Warinanco Park

Pending

$725,000

0.10 Acres

Two-Story Multi-Family Near Warinanco Park

Solid 2-family home near Warinanco Park, ideal for investment.

1005 Nora Dr, Linden, NJ 07036

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Pending

$959,999

0.32 Acres

Side-by-Side Duplex in Roselle

Rare duplex with income potential and outdoor enjoyment in Roselle.

221 E 2Nd Ave, Roselle, NJ 07203

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$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

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$599,000

3,929 SF

Two-Family Property, Elizabeth, NJ

Two-family property with income potential near transportation and amenities.

128 S 4Th St, Elizabeth, NJ 07206

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$650,000

2,832 SF

Two-Family Property Investment Opportunity

Two-family property with income potential near transportation and amenities.

514 Marshall St, Elizabeth, NJ 07206

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Union County, NJ Duplexes Investment Opportunities Market Analysis

Explore 123 duplexes for sale in Union County, NJ, showcased through 123 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.

Union County, NJ Duplexes for Sale

Two-Family Home with Customization Potential

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