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    Mercer County, NJ Duplexes for Sale

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    Two-Unit Residential Income Duplex
    Updated: Jun 3
    Two-Unit Residential Income Duplex

    124 Nassau Street, Trenton, NJ 08638

    $264,900
    1,590 sqft
    Two‑family home built in 1920 with 2 separate units in Trenton City (21111)
    Unit 1: 2 bed, 1 bath rented for $1,400
    Unit 2: 3 bed, 1 bath is vacant with separate utilities for each unit
    Separate utilities for both units
    Convenient access to transportation: bus stop <1 mile and commuter rail station 1 to 5 miles
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    This listing looks promising.

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    124 Nassau Street, Trenton, NJ 08638

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    • Est. Cap Rate

      9.2%
      Above avg (5.9%)

    • Est. NOI

      $24K
      Annual

    • Price @ 7% Cap

      $347K
      Above asking

    • Property Type

      Single Family Residence
      Built 1920
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    Two-Unit Residential Income Property
    Updated: Jun 11
    Two-Unit Residential Income Property

    79 MODEL Avenue, Hopewell, NJ 08525

    $600,000
    2,191 sqft 0.31 AC lot
    Two‑family home with attic access in Unit 2 and a walk‑up attic offering additional storage and potential to finish
    Unit 1 features a large living room with wood floors, an eat‑in kitchen, a formal/separate dining room, and a wood‑burning fireplace
    Unit 2 includes a bedroom with an attached full bath, plus kitchen, living, and dining areas
    Additional features include 2nd kitchen, recessed lighting, ceiling fans, and central air with forced‑air heating
    Oversized lot with a rear enclosed sun porch and backyard amenities including a patio area, shed, and fire pit
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    Two-Unit Duplex with Separate Systems
    Two-Unit Duplex with Separate Systems

    2126 PRINCETON Pike, Trenton, NJ 08648

    $600,000
    1,646 sqft 0.17 AC lot

    Well-maintained duplex with two bedrooms per unit, separate utilities, and individual HVAC for flexible owner or tenant use.

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

    789 Chambers Street, Trenton, NJ 08611

    $999,000
    5,568 sqft 0.22 AC lot

    Two occupied residential units sit above a ground-floor discount store at a corner mixed-use address in Trenton, NJ.

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    Two-House Residential Income Property
    Two-House Residential Income Property

    46-50 MORGAN Avenue, Hamilton, NJ 08619

    $625,000
    2,201 sqft 0.24 AC lot

    For sale duplex-style income property featuring two separate single-family homes on one double lot with garages.

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    Renovated Victorian Duplex with Porch
    Renovated Victorian Duplex with Porch

    904 CARTERET Avenue, Trenton, NJ 08618

    $349,900
    2,563 sqft 0.08 AC lot

    Renovated two-unit duplex with wrap-around porch, fenced backyard, and central AC on the second floor.

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    Tenant-Occupied Two-Family Duplex
    Tenant-Occupied Two-Family Duplex

    16 CARROLL Street, Trenton, NJ 08609

    $315,000
    2,708 sqft 0.05 AC lot

    Well-maintained two-family duplex with a 2-bedroom and a 3-bedroom unit, currently tenant-occupied.

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    Historic Duplex with Private Backyard
    Historic Duplex with Private Backyard

    649 CENTRE Street, Trenton, NJ 08611

    $299,900
    2,076 sqft 0.07 AC lot

    A maintained 1888 duplex with private entrances, separate laundry, and a finished outdoor retreat for everyday enjoyment.

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    Two-Family Property with Duplex Layout
    Two-Family Property with Duplex Layout

    504 STUYVESANT Avenue, Trenton, NJ 08618

    $170,000
    1,455 sqft 0.04 AC lot

    Duplex features a first-floor 1-bedroom unit and a larger upper unit with three bedrooms across two levels.

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    Renovated Two-Unit Duplex Property
    Renovated Two-Unit Duplex Property

    100 ROBBINSVILLE ALLENTOWN RD, Robbinsville, NJ 08691

    $589,900
    2,522 sqft 0.89 AC lot

    Two-bedroom units with separate utilities and parking on a nearly one-acre lot.

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    Two-Unit Single-Family Duplex
    Two-Unit Single-Family Duplex

    46-50 Morgan Avenue, Hamilton, NJ 08619

    $625,000

    Two single-family houses sit on a double lot, with separate gas and electric services for each home.

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    Two-Unit Duplex with Separate Utilities
    Two-Unit Duplex with Separate Utilities

    5732 Main Street, Mays Landing, NJ 08330

    $365,000
    2,267 sqft 0.20 AC lot

    Well-arranged duplex with separate gas and electric meters and ample off-street parking behind the home.

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    Renovated Duplex with Separate Utilities
    Renovated Duplex with Separate Utilities

    114 BAYARD Street, Trenton, NJ 08611

    $309,900
    1,840 sqft 0.07 AC lot

    Newly renovated two-unit duplex with separate utilities, featuring a 2–3 bedroom upper unit and a one-bedroom lower unit.

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    Well-Maintained Two-Unit Duplex
    Well-Maintained Two-Unit Duplex

    124 NASSAU Street, Trenton, NJ 08638

    $264,900
    1,590 sqft 0.05 AC lot

    Duplex with two separate units and utilities, sold as-is and delivered vacant and cleaned prior to closing.

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    Tenant-Occupied Duplex in Trenton
    Tenant-Occupied Duplex in Trenton

    321 PARKWAY Avenue, Trenton, NJ 08618

    $279,000
    1,816 sqft 0.12 AC lot

    Two-unit property with immediate rental income and upside potential.

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    Duplex Income Property with Updates
    Duplex Income Property with Updates

    287 Johnson Avenue, Lawrence, NJ 08648

    $439,000
    1,760 sqft 0.28 AC lot

    A two-unit duplex on a large lot, featuring a newly updated occupied unit and a vacant second-floor apartment.

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    Two-Family Brick Building
    Two-Family Brick Building

    332 ELMER Street, Trenton, NJ 08611

    $310,000
    1,488 sqft 0.05 AC lot

    Brick duplex with separate utilities, offering a vacant first-floor unit and a currently rented second-floor unit.

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    Side-by-Side Duplex with 8+ Parking
    Side-by-Side Duplex with 8+ Parking

    243-245 Monmouth St, Hightstown, NJ 08520

    $449,500
    0.17 AC lot

    Side-by-side duplex with two 3-bedroom, 1.5-bath units, basements with Bilco walkout, and parking for 8+ cars, sold as-is.

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    Ranch-Style Income Property with In-Law Suite
    Ranch-Style Income Property with In-Law Suite

    1853 McCall Ave, Mays Landing, NJ 08330

    $474,900

    Ranch-style home with an attached in-law suite, separate entrance, private electric meter, and five total bedrooms on 4.37 acres.

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    Two-Family Brick Income Property
    Two-Family Brick Income Property

    Trenton, NJ 08608

    $260,000
    1,596 sqft

    Solid brick two-family building features hardwood flooring and two occupied units with separate tenant electric.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    Trenton, NJ 08618

    $265,000
    1,336 sqft

    Two-family home with Unit 1 and Unit 2 layouts, each with a full bathroom, offered for sale as-is.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    Trenton, NJ 08608

    $280,000
    1,776 sqft

    Two occupied units with tenant-paid utilities, offering a first-floor full bath and a multi-level layout with half bath.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    27 Kent Street, Trenton, NJ 08611

    $249,999
    1,412 sqft

    Well-maintained two-unit home offers separate utility setups for flexible rental and occupancy options.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    34 Cumberland Ave 2, Trenton, NJ 08618

    $439,000

    Updated two-unit home offers spacious, mirrored living layouts with off-street parking and added solar and EV charging.

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    Mercer County, NJ Duplexes Market Trends and Statistics

    Explore 36 duplexes for sale in Mercer County, NJ, showcased through 36 active listings on our real estate platform. These investment opportunities span a total of 41,828 square feet of properties for sale, with an estimated market value of $7,891,499.

    Sale prices for duplexes in Mercer County, NJ start at $170,000, averaging $394,574, and reaching up to $999,000 — 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 Mercer County Real Estate Agencies

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

    Fennelly Associates, Inc
    Trenton, NJ 08619
    www.fennelly.com
    Segal LaBate Commercial Real Estate
    Trenton, NJ 08611
    www.segal-labate.com
    KW Commercial/ Richardson Commercial Group
    Trenton, NJ 08619
    www.richardsoncommercial.com

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