Union County, NJ Duplexes for Sale

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Updated: Apr 24

Duplex with Third-Floor Bonus Space

1602 Bayview Ave, Hillside, NJ 07205

$599,000

3,301 sqft 0.09 AC lot

3,301‑square‑foot duplex on a 0.09‑acre lot
Third‑floor bonus space beyond the two primary residential floors
R40 zoning designation
Built in 1935
Public water and public sewer

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This listing looks promising.

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1602 Bayview Ave, Hillside Twp., NJ 07205-1412

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Est. Cap Rate

8.5%
Above avg (5.9%)
Est. NOI

$51K
Annual
Price @ 7% Cap

$725K
Above asking
Property Type

Single Family Residence
Built 1935

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Updated: Aug 4

Two-Unit Duplex with Private Yard

12 Carpenter Pl, Cranford, NJ 07016

$889,000

7,000 sqft 0.16 AC lot

Two‑unit duplex with three‑bedroom and one‑bedroom residences
Finished two‑level basement with full bathroom and potential separate entrance
0.16‑acre lot with secluded backyard and deck
Two‑car garage plus four‑car driveway
Approximately 7,000 square feet; built in 1907

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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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Duplex with Built-In Garage

183 Laurel Ave, Union, NJ 07083

$799,900

2,813 sqft 0.16 AC lot

Each residence offers three bedrooms, hardwood floors, central air, and access to additional ground-level space and parking.

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Renovated Two-Family Duplex

29 S 2ND STREET, Elizabeth, NJ 07206

$1,300,000

5,610 sqft

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

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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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Two-Story Duplex with Fenced Backyard

658 Adams Ave, Elizabeth, NJ 07201

$729,000

1,808 sqft 0.06 AC lot

Zoned for multifamily use with public water and sewer, plus a fenced backyard and separate utilities for both units.

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Colonial Duplex with Detached Garage

236 Edgewood Ave, Westfield, NJ 07090

$1,550,000

3,000 sqft

Colonial two-family home with enclosed porches in both apartments, full basement, and a two-car detached garage.

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Two-Unit Duplex With Fenced Yard

243 Globe Ave, Union, NJ 07083

$669,000

0.09 AC lot

Two separate living spaces, off-street parking, and a finished basement support flexible residential use.

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Partially Renovated Duplex

23 W 18Th St, Linden, NJ 07036

$524,999

0.10 AC lot

Two-family property with separate unit layouts, an unfinished basement, and a wide driveway serving approximately six vehicles.

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Renovated Two-Unit Residential Income Property

92 3rd Avenue, Garwood, NJ 07027

$1,200,000

2,000 sqft

Two renovated units each offer updated interiors, with separate yard access and an oversized detached two-car garage.

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Renovated Two-Unit Duplex

417 Adams St, Linden, NJ 07036

$729,000

0.10 AC lot

Updated duplex offers finished basement space, detached garage, and central air.

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Renovated Two-Unit Duplex

313 Washington Ave, Elizabeth, NJ 07202

$789,000

0.06 AC lot

Two residences combine updated interiors, three bedrooms, private laundry, and access to a patio and basement.

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Newer Two-Family Home with Solar

808 Livingston St, Elizabeth, NJ 07201

$875,000

2,800 sqft

Two separate residences with private utilities, central HVAC, laundry facilities, and off-street parking support flexible occupancy arrangements.

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Newer Two-Family Duplex with Attached Garages

637 Jefferson Ave, Elizabeth, NJ 07201

$1,150,000

0.12 AC lot

Newer two-family duplex built in 2013 with central air, forced hot-air heat, and attached garages.

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Vacant Duplex with Finished Third Level

66 Erie St, Elizabeth, NJ 07206

$550,000

0.06 AC lot

Vacant duplex zoned Residential with three distinct living units, including a finished third-level studio.

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Two-Unit Duplex with Bonus Space