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    Warren County, NJ Multifamily Properties for Sale

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    Updated Duplex with Garage
    Updated: Aug 4
    Updated Duplex with Garage

    21 N Lincoln Ave, Washington, NJ 07882

    $625,000
    2,764 sqft 0.17 AC lot
    2,764‑square‑foot duplex on a 0.17‑acre lot
    Third unit completed in 2025; residential rental use requires a variance
    Two‑car garage with heat, air conditioning, new wiring, doors, and awning
    Updated kitchen, hickory hardwood floors, nine‑foot ceilings, and Pella windows
    Public water and public sewer
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    Triplex with Powered Rental Shed
    Updated: Jul 30
    Triplex with Powered Rental Shed

    41 Washington Ave, Oxford, NJ 07863

    $499,000
    3,140 sqft 0.21 AC lot
    3,140‑square‑foot triplex on a 0.21‑acre lot
    Three units with 3‑bedroom, 2‑bedroom, and updated 1‑bedroom/studio layouts
    Approximately 600‑square‑foot powered shed currently used as an additional rental source
    First‑floor unit includes basement access, a 2‑car garage, laundry room, and storage
    Upper units feature covered front and rear porch access
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    Remodeled Quadplex with Deck
    Remodeled Quadplex with Deck

    332 Water St, Belvidere, NJ 07823

    $640,000
    0.22 AC lot

    Brick construction, updated interiors, and a recently replaced shingle roof support this four-unit income property.

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    See what stands out in Warren County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Six-Unit Multifamily Building
    Six-Unit Multifamily Building

    59 Railroad Ave, Washington, NJ 07882

    $1,319,000
    5,141 sqft

    Income-producing apartment property with garages, storage units, completed renovations, and additional unit improvement scope.

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    Remodeled Three-Unit Property
    Remodeled Three-Unit Property

    302 Front St, Belvidere, NJ 07823

    $510,000
    0.06 AC lot

    Updated income property with a two-bedroom and one-bedroom unit mix in a walkable town-center setting.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    122 Summit Ave, Phillipsburg, NJ 08865

    $369,900
    0.06 AC lot

    Fully occupied income property with tenant-paid utilities, outdoor areas, and off-street parking.

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    Two-Unit Duplex with Porches
    Two-Unit Duplex with Porches

    60 Brainard St, Phillipsburg, NJ 08865

    $450,990
    0.12 AC lot

    Two finished residences provide separate layouts, modern kitchens, and individually metered gas and electric service.

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    Two-Unit Duplex with Attic
    Two-Unit Duplex with Attic

    244 Sitgreaves St, Phillipsburg, NJ 08865

    $390,000
    1,998 sqft

    Under-over duplex with separate one- and two-bedroom units, attic storage, and both off-street and on-street parking.

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    Two-Story Duplex with Parking
    Two-Story Duplex with Parking

    17 Railroad Ave, Phillipsburg, NJ 08865

    $299,000
    0.06 AC lot

    Two separate units occupy a compact residential income property with public water and sewer service.

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    Two-Unit Duplex with Walk-Up Attic
    Two-Unit Duplex with Walk-Up Attic

    394 Lincoln St, Phillipsburg, NJ 08865

    $264,900
    0.07 AC lot

    Two tenant-occupied one-bedroom units include a recently renovated upper apartment and walk-up attic.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    43 Miller Street, Phillipsburg, NJ 08865

    $250,000
    9,999 sqft

    Two residential units offer updated interiors, newer mechanical systems, outdoor space, and off-street parking.

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    Two-Story Triplex
    Two-Story Triplex

    151 S Main St, Phillipsburg, NJ 08865

    $265,000
    0.06 AC lot

    Residential income property with public water and sewer service.

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    Triplex with Detached Garage
    Triplex with Detached Garage

    441 S Main St, Phillipsburg, NJ 08865

    $370,000
    0.10 AC lot

    Three-unit property combining residential accommodations, a commercial-ready space, and shared outdoor areas.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    117 Glen Avenue, Phillipsburg, NJ 08865

    $459,900
    999 sqft

    1920 construction retains original woodwork alongside flexible two-unit living arrangements.

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    Updated Duplex with Parking
    Updated Duplex with Parking

    17 Railroad Avenue, Phillipsburg, NJ 08865

    $299,000

    Fully rented two-family property with separate units and a rear parking pad.

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    Two-Unit Duplex with Fenced Yard
    Two-Unit Duplex with Fenced Yard

    283 Mercer St, Phillipsburg, NJ 08865

    $299,000
    0.09 AC lot

    Separate utilities support independent operation for both residences.

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    Four-Unit Brick Apartment Building
    Four-Unit Brick Apartment Building

    332 Water Street, Belvidere, NJ 07823

    Contact for pricing
    999 sqft

    Four remodeled apartments with four off-street parking spaces and tenant-paid utilities, excluding water/sewer and garbage.

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    Upgraded Triplex with Garage
    Upgraded Triplex with Garage

    21 N Lincoln Ave 3, Washington, NJ 07882

    $625,000

    Three rental units feature updated interiors, laundry areas, and private outdoor access across the property.

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    Updated Duplex with Two Units
    Updated Duplex with Two Units

    122 Summit Ave, Phillipsburg, NJ 08865

    $369,900

    Fully occupied income property with tenant-paid utilities, off-street parking, and covered outdoor areas.

    View details
    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    60 Brainard St, Phillipsburg, NJ 08865

    $450,990

    Two finished residences offer distinct layouts, updated kitchens, and separate gas and electric metering.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    17 Railroad Ave, Phillipsburg, NJ 08865

    $299,000

    Fully rented property with separate living spaces and a rear parking pad.

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    Mixed-Use Building with Apartments
    Mixed-Use Building with Apartments

    26 Main St, Blairstown, NJ 07825

    $179,000

    Two-level configuration combines first-floor commercial space with residential apartments requiring renovation above.

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

    26-28 Lewis St, Phillipsburg, NJ 08865

    $337,000

    Two-bedroom units offer separate living areas, private yards, and off-street parking.

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    Two-Unit Duplex with Renovated Apartment
    Two-Unit Duplex with Renovated Apartment

    394 Lincoln St, Phillipsburg, NJ 08865

    $264,900

    Corner property with occupied one-bedroom apartments and a walk-up attic.

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    Warren County, NJ Multifamily Properties Market Trends and Statistics

    Explore 72 multifamily properties for sale in Warren County, NJ, showcased through 31 active listings on our real estate platform. These investment opportunities span a total of 25,040 square feet of properties for sale, with an estimated market value of $11,763,479.

    Sale prices for multifamily properties in Warren County, NJ start at $179,000, averaging $420,124, and reaching up to $1,319,000 — 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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