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    Warren County, NJ Residential Income Properties for Sale

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    31 properties
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    Duplex with Detached Garage
    Updated: Sep 24
    Duplex with Detached Garage

    401 W Moore St, Hackettstown, NJ 07840

    $775,000
    3,448 sqft 0.51 AC lot
    Two units: one with 4 bedrooms and 2 full bathrooms; the other with 3 bedrooms and 1.5 bathrooms
    3,448‑square‑foot building constructed in 1900
    0.51‑acre corner lot
    Detached 2‑car garage
    Porch; public water and public sewer
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    Updated Duplex with Garage
    Updated: Aug 4
    Updated Duplex with Garage

    21 N Lincoln Ave, Washington, NJ 07882

    $579,000
    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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    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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    Updated Duplex with Flexible Space
    Updated Duplex with Flexible Space

    21 N Lincoln Ave Unit 2, Washington, NJ 07882

    $579,000
    2,764 sqft

    Two-family property with public utilities, renovated interiors, a heated garage, and additional finished space.

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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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    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 Deck
    Two-Unit Duplex with Deck

    283 Mercer St, Phillipsburg, NJ 08865

    $299,000
    0.09 AC lot

    Two residences offer separate utilities, outdoor space, basement storage, and rear driveway parking.

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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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    Triplex with Powered Rental Shed
    Triplex with Powered Rental Shed

    41 Washington Ave, Oxford, NJ 07863

    $499,000
    3,140 sqft 0.21 AC lot

    Fully occupied triplex with varied unit layouts, porches, parking, and a separate powered outbuilding.

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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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    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 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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    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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    Sprawling Land Parcel Near State Park
    Sprawling Land Parcel Near State Park

    Belvidere, NJ 07823

    $925,000
    58.03 AC lot

    58-acre property bordering Jenny Jump State Park.

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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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    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.

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

    283 Mercer St, Phillipsburg, NJ 08865

    $299,000

    The property includes a private side entrance and separate utility service for each unit.

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    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 Residential Income Properties Market Trends and Statistics

    Explore 72 residential income properties for sale in Warren County, NJ, showcased through 31 active listings on our real estate platform. These investment opportunities span a total of 20,254 square feet of properties for sale, with an estimated market value of $12,794,689.

    Sale prices for residential income properties in Warren County, NJ start at $179,000, averaging $456,953, 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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