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    Warren County, NJ Multifamily Properties for Sale

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    30 properties
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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
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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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    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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    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 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-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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    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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    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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    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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    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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    Mixed-Use Building with Apartments
    Mixed-Use Building with Apartments

    26 Main St, Blairstown, NJ 07825

    $149,000

    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-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.

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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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    Corner-Lot Duplex with Attic Access
    Corner-Lot Duplex with Attic Access

    62 Summit Ave, Phillipsburg, NJ 08865

    $329,000

    Two-level duplex with one occupied unit, a second available unit, and two rear parking spaces.

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    Upgraded Triplex with Garage
    Upgraded Triplex with Garage

    21 N Lincoln Ave 3, Washington, NJ 07882

    $579,000

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

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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 30 active listings on our real estate platform. These investment opportunities span a total of 38,412 square feet of properties for sale, with an estimated market value of $11,988,589.

    Sale prices for multifamily properties in Warren County, NJ start at $149,000, averaging $444,021, 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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