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    Warren County, NJ Residential Income Properties for Sale

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    Found 33 residential income property listings for sale in Warren County, NJ, averaging $204/sq ft. Use valuation data to compare deals faster.
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    Duplex with Basement
    Updated: Sep 24
    Duplex with Basement

    401 W Moore St, Hackettstown, NJ 07840

    $775,000
    3,448 sqft 0.51 AC lot
    3,448 square feet of building area
    0.51‑acre lot
    Room list includes 7 bedrooms and 4 bathrooms
    Basement
    Built in 1900; zoned Res
    View details
    Duplex with Heated Garage
    Updated: Oct 31
    Duplex with Heated Garage

    21 N Lincoln Ave, Washington, NJ 07882

    $579,000
    0.17 AC lot
    Duplex on a 0.17‑acre lot; built in 1907
    R3 zoning; a variance is required to rent the third unit as a residence
    Third unit completed in 2025 with vinyl plank flooring, recessed lights, and a covered deck with awnings
    Two‑car garage with heat and air conditioning, updated wiring, new doors, and an awning
    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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    Two-Story Duplex with Parking
    Two-Story Duplex with Parking

    17 Railroad Ave, Phillipsburg, NJ 08865

    $280,000
    0.06 AC lot

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

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    Two-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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    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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    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 Duplex with Parking
    Updated Duplex with Parking

    17 Railroad Avenue, Phillipsburg, NJ 08865

    $280,000

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

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    Over-Under Duplex
    Over-Under Duplex

    77 Brainard St, Phillipsburg, NJ 08865

    $299,900
    1,521 sqft

    Two-bedroom apartments feature separate heating systems, with utilities paid by tenants.

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

    21 Main St #o, Blairstown, NJ 07825

    $465,000
    1,300 sqft

    Three rental units combine two apartments with a commercial space in a Village Neighborhood-zoned property.

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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-Family Duplex on Private Acreage
    Two-Family Duplex on Private Acreage

    Great Meadows, NJ 07838

    $379,900
    19,998 sqft 3.23 AC lot

    A bi-level residence and apartment above the garage sit on a wooded parcel with a stream.

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    Mixed-Use Building with Office
    Mixed-Use Building with Office

    370 Pursel St #1, Phillipsburg, NJ 08865

    $314,900
    1,872 sqft

    A one-bedroom apartment occupies the upper floor, above a ground-floor professional office.

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    6-Unit Apartment Building
    6-Unit Apartment Building

    343 FIRST AVE, Alpha, NJ 08865

    Contact for pricing
    5,174 sqft 0.43 AC lot

    All six residences have two bedrooms and one bathroom, with municipal utilities and dedicated off-street parking.

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    Mixed-Use Property with Detached Garage
    Mixed-Use Property with Detached Garage

    32 Broad St, Washington, NJ 07882

    $599,000
    0.27 AC lot

    Two apartments and an attached storefront provide a combination of residential and commercial space; one apartment and the storefront are rented.

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    Duplex with Updated Interiors
    Duplex with Updated Interiors

    21 N Lincoln Ave, Washington, NJ 07882

    $579,000

    A finished third unit offers flexible supplemental space, subject to zoning requirements for residential rental use.

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    Victorian Duplex
    Victorian Duplex

    401 W Moore St, Hackettstown, NJ 07840

    $775,000

    The two residences have distinct bedroom and bath configurations, with a detached garage and backyard on a corner parcel.

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    2-Unit Duplex with Separate Utilities
    2-Unit Duplex with Separate Utilities

    283 Mercer St, Phillipsburg, NJ 08865

    $299,000

    A two-level upper residence and a ground-floor apartment provide distinct layouts, with utilities metered separately for each home.

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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-Family Duplex with Rear Parking
    Two-Family Duplex with Rear Parking

    17 Railroad Ave, Phillipsburg, NJ 08865

    $280,000

    Two separate residential units provide a configuration suited to rental use.

    View details
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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 33 active listings on our real estate platform. These investment opportunities span a total of 43,216 square feet of properties for sale, with an estimated market value of $14,416,300.

    Sale prices for residential investment properties in Warren County, NJ start at $149,000, averaging $450,509, 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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    Featured Warren County Real Estate Agencies

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

    Fiedler Realty, LLC
    227 Main Street Hackettstown, NJ 07840
    Phone: (908) 852-2586
    www.frebac.com
    Melchor Realty
    107 Greenwich Street Belvidere, NJ 07823
    Phone: (908) 475-2050
    [email protected]
    RE/MAX Town & Valley
    1585 Route 517 Hackettstown, NJ 07840
    Phone: (908) 852-1333
    www.TownandValley.com
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