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    Warren County, NJ Office Spaces for Sale

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    17 properties
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    Updated Two-Level Office Building
    Updated: Mar 25
    Updated Two-Level Office Building

    101 Belvidere Avenue, Washington, NJ 07882

    $395,000
    2,307 sqft 0.16 AC lot
    2,307 SF office building with two levels of workspace
    0.155‑acre lot in Washington Bor, Warren County, NJ
    Five private offices, multiple conference rooms, and a dedicated server room
    Full basement with concrete floor plus paved off‑street parking and garage
    OB zoning with public water and public sewer
    View details
    Two-Story Medical Office Building
    Updated: Sep 4
    Two-Story Medical Office Building

    Phillipsburg, NJ 08865

    $599,900
    6,548 sqft
    6,548‑square‑foot medical office building constructed in 2008
    Two‑story layout with elevator access and handicap accessibility throughout
    First floor includes 13 exam rooms, two reception areas, waiting room, kitchen, and four bathrooms
    Second floor provides 5 private offices, conference room, and full bathroom with shower
    27 on‑site parking spaces
    View details
    Freestanding Commercial Showroom Building
    Freestanding Commercial Showroom Building

    Hackettstown, NJ 07840

    $399,000
    2,182 sqft

    Freestanding showroom with flexible first floor and three private second-floor offices, plus parking, basement storage, and garage.

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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.

    Cap Rate available after sign in
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    Local Demand available after sign in
    Second-Floor Office Units
    Second-Floor Office Units

    320 S. Main St, Phillipsburg, NJ 08865

    Contact for pricing
    7,400 sqft

    Flexible professional workspace with elevator access, private rooms, cubicles, reception, restrooms, and a kitchen area.

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    Corner Property with Development Potential
    Corner Property with Development Potential

    64 Filmore St, Phillipsburg, NJ 08865

    $289,900
    1,600 sqft

    Versatile property with garage, basement, and flexible zoning.

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    Office Units with Highway Signage
    Office Units with Highway Signage

    481 Memorial Pkwy, Phillipsburg, NJ 08865

    Contact for pricing
    1,800 sqft

    B-2-zoned office units with a flexible layout and prior medical office configuration.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Retail Space with Private Parking
    Retail Space with Private Parking

    113 Main St, Hackettstown, NJ 07840

    Contact for pricing
    1,162 sqft

    Commercial unit suited to retail or professional use, with employee parking and a Main Street presence.

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    Storefront Space with Additional Rooms
    Storefront Space with Additional Rooms

    499 S Main St, Phillipsburg, NJ 08865

    Contact for pricing
    522 sqft

    Compact commercial space with flexible room configuration, a half bath, and dedicated storage.

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    Belvidere Commercial Building Opportunity
    Belvidere Commercial Building Opportunity

    627 Third St, Belvidere, NJ 07823

    $179,900
    0.12 AC lot

    Commercial building in Belvidere with high visibility and flexible space.

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    Freestanding Office Building
    Freestanding Office Building

    205 State Route 31 N, Washington, NJ 07882

    Contact for pricing
    6,800 sqft 1.00 AC lot

    Freestanding office property with GC zoning and landscaped grounds.

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    Two-Story Flex Space with Garage Bays
    Two-Story Flex Space with Garage Bays

    210 3rd Ave, Alpha, NJ 08865

    $675,000

    Two-story commercial layout combines office areas, storage, loading bays, and on-site parking.

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    Historic Corner Office Building
    Historic Corner Office Building

    1 Fairview Ave, Phillipsburg, NJ 08865

    Contact for pricing
    8,500 sqft

    Brick office building with large windows, high ceilings, original hardwood floors, and a full usable basement.

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    Downtown Office Unit With Display Windows
    Downtown Office Unit With Display Windows

    352 S Main St, Phillipsburg, NJ 08865

    Contact for pricing

    Updated commercial space offers three rooms, a conference area, storage, and a bathroom.

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    Two-Story Office Units
    Two-Story Office Units

    Phillipsburg, NJ 08865

    Contact for pricing

    Private entry and an exclusive restroom support flexible office use.

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    Renovated Flex Space with Garage
    Renovated Flex Space with Garage

    543 Marshall St, Phillipsburg, NJ 08865

    Contact for pricing

    Office space is paired with a multi-bay garage on the lower level for a versatile commercial setup.

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    Turnkey Professional Office Space
    Turnkey Professional Office Space

    409 COVENTRY DR, Phillipsburg, NJ 08865

    Contact for pricing

    First floor office with waiting room, exam rooms, and parking.

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    Commercial Building on Route 31
    Commercial Building on Route 31

    76 Route 31 N, Washington, NJ 07882

    Contact for pricing
    2,000 sqft

    Mixed-use commercial building with warehouse space in Washington Boro.

    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 17 Active Listings in Warren County, NJ, we suggest to view alternatives - similar 52 Off-Market properties to explore as potential leads.

    Off-Market Properties in Warren County, NJ

    Consider similar Off-Market properties in Warren County, NJ. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    409 Coventry Dr
    CONDOMINIUM OFFICES

    409 Coventry Dr, Phillipsburg, NJ 08865-1969

    Estimated value:
    $280,000
    1,640 sqft
    View details
    301 Coventry Dr
    CONDOMINIUM OFFICES

    301 Coventry Dr, Phillipsburg, NJ 08865-1968

    Estimated value:
    $70,000
    1,892 sqft
    View details
    435 State Rte 57
    OFFICE BUILDING

    435 State Rte 57, Port Murray, NJ 07865-4334

    Estimated value:
    $130,000
    3.12 AC lot
    View details
    600 High St
    OFFICE BUILDING

    600 High St, Hackettstown, NJ 07840-1443

    Estimated value:
    $175,000
    3,816 sqft 3.60 AC lot
    View details
    420 Coventry Dr
    CONDOMINIUM OFFICES

    420 Coventry Dr, Phillipsburg, NJ 08865-1978

    Estimated value:
    $55,000
    1,640 sqft
    View details
    600 Coventry Dr
    CONDOMINIUM OFFICES

    600 Coventry Dr, Phillipsburg, NJ 08865-1971

    Estimated value:
    $235,000
    1,638 sqft
    View details
    700 Coventry Dr
    CONDOMINIUM OFFICES

    700 Coventry Dr, Phillipsburg, NJ 08865-1972

    Estimated value:
    $275,000
    1,666 sqft
    View details

    Warren County, NJ Office Spaces Market Trends and Statistics

    Explore 69 office spaces for sale in Warren County, NJ, showcased through 17 active listings on our real estate platform. These investment opportunities span a total of 40,821 square feet of properties for sale, with an estimated market value of $2,538,700.

    Sale prices for office spaces in Warren County, NJ start at $179,900, averaging $423,116, and reaching up to $675,000 — 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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