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    Sussex County, NJ Office Buildings for Sale

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    Upgraded Brick Building in Newton
    $654,900
    3,794 SF

    Upgraded Brick Building in Newton

    14 Church St, Newton, NJ 07860

    Three-story building in Newton Town with flexible use options.

    • T6 Core zoning allows for a variety of uses including office, daycare, senior care, multi‑family, or mixed‑use.
    • Upgraded and renovated building (2007, 2017, 2019, 2021) with new mini‑split HVAC and natural gas boiler.
    • Easily divisible for owner/user or multiple tenants.
    • Computer switching system creates secured individual offices.
    • Close proximity to Sussex County Courts, Administration Buildings, Sussex Community College, Thor Labs, and Newton Medical Center.
    Updated: Sep 10, 2025
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    Renovated Office Building For Sale
    $650,000

    Renovated Office Building For Sale

    5 Plains Rd, Augusta, NJ 07822

    Renovated office building with high-quality materials and modern amenities.

    • Fully ADA compliant on both levels.
    • Renovated with the highest quality materials.
    • Updated mechanicals with multi‑zone heating and cooling.
    • Versatile space suitable for multiple businesses (doctor, dentist, architect, attorney, etc.).
    • Includes conference facilities, individual offices, business center, reception area, and kitchen area.
    View details
    Based on your search, we've compiled 70 Potential Opportunities for your consideration. Besides 2 Active listings in Sussex County, NJ, we suggest exploring several alternatives: similar 67 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Land Parcel in Economic Zone
    $2,500,000
    9.94 Acres

    Land Parcel in Economic Zone

    Strategically located land parcel suitable for commercial or industrial development.

    309 Houses Corner Rd, Lafayette, NJ 07848
    View details

    Explore Off-Market Properties in Sussex County, NJ

    Consider similar Off-Market properties in Sussex 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.

    395 State Rt 23

    395 State Rt 23

    OFFICE BUILDING • 2,271 SF
    Value Estimation
    $545,000
    395 State Rt 23, Franklin, NJ 07416
    View details
    104 Sally Harden Rd

    104 Sally Harden Rd

    OFFICE BUILDING
    Value Estimation by Request
    104 Sally Harden Rd, Sussex, NJ 07461
    View details
    103 Sally Harden Rd

    103 Sally Harden Rd

    OFFICE BUILDING
    Value Estimation by Request
    103 Sally Harden Rd, Sussex, NJ 07461
    View details
    11 Us Hwy 206

    11 Us Hwy 206

    OFFICE BUILDING • 3.92 Acres
    Value Estimation by Request
    11 Us Hwy 206, Augusta, NJ 07822-2032
    View details
    201 Houses Cor Rd

    201 Houses Cor Rd

    OFFICE BUILDING • 2.02 Acres
    Value Estimation by Request
    201 Houses Cor Rd, Lafayette, NJ 07848
    View details
    418 State Rt 23

    418 State Rt 23

    OFFICE BUILDING • 2,562 SF
    Value Estimation by Request
    418 State Rt 23, Franklin, NJ 07416-2120
    View details
    35 Main St

    35 Main St

    OFFICE BUILDING • 7,807 SF
    Value Estimation
    $1,150,000
    35 Main St, Franklin, NJ 07416-1420
    View details
    200 Us Hwy 206

    200 Us Hwy 206

    OFFICE BUILDING • 1,244 SF
    Value Estimation by Request
    200 Us Hwy 206, Augusta, NJ 07822
    View details
    244 State Rt 94

    244 State Rt 94

    OFFICE BUILDING • 3,024 SF
    Value Estimation
    $790,000
    244 State Rt 94, Vernon, NJ 07462-3349
    View details
    90-92 State Rt 23

    90-92 State Rt 23

    OFFICE BUILDING • 3.64 Acres
    Value Estimation by Request
    90-92 State Rt 23, Hamburg, NJ 07419-2338
    View details
    96 Us Hwy 206

    96 Us Hwy 206

    OFFICE BUILDING • 2.00 Acres
    Value Estimation
    $675,000
    96 Us Hwy 206, Augusta, NJ 07822-2019
    View details
    4 Franklin Ave

    4 Franklin Ave

    OFFICE BUILDING • 2,880 SF
    Value Estimation by Request
    4 Franklin Ave, Franklin, NJ 07416
    View details
    428 Us Hwy 206

    428 Us Hwy 206

    OFFICE BUILDING • 2,008 SF
    Value Estimation by Request
    428 Us Hwy 206, Branchville, NJ 07826
    View details
    1 Sangalli Dr

    1 Sangalli Dr

    OFFICE BUILDING • 6,000 SF
    Value Estimation
    $855,000
    1 Sangalli Dr, Vernon, NJ 07462
    View details
    106 Sally Harden Rd

    106 Sally Harden Rd

    OFFICE BUILDING
    Value Estimation by Request
    106 Sally Harden Rd, Sussex, NJ 07461
    View details
    362 Us Hwy 206

    362 Us Hwy 206

    OFFICE BUILDING • 2.05 Acres
    Value Estimation by Request
    362 Us Hwy 206, Branchville, NJ 07826-4233
    View details
    402 Us Hwy 206

    402 Us Hwy 206

    OFFICE BUILDING • 1.41 Acres
    Value Estimation by Request
    402 Us Hwy 206, Montague, NJ 07827-3019
    View details
    651 County Rd 517

    651 County Rd 517

    OFFICE BUILDING • 2,724 SF
    Value Estimation by Request
    651 County Rd 517, Sussex, NJ 07461-4828
    View details
    7 Price 31

    7 Price 31

    OFFICE BUILDING • 2.94 Acres
    Value Estimation
    $1,885,000
    7 Price 31, Augusta, NJ 07822
    View details
    151 Main St

    151 Main St

    OFFICE BUILDING • 5,209 SF
    Value Estimation by Request
    151 Main St, Franklin, NJ 07416-1615
    View details
    1 Country Ln

    1 Country Ln

    OFFICE BUILDING • 4,480 SF
    Value Estimation
    $735,000
    1 Country Ln, Branchville, NJ 07826-4237
    View details
    1 Insbrook Dr

    1 Insbrook Dr

    OFFICE BUILDING • 7,414 SF
    Value Estimation
    $1,105,000
    1 Insbrook Dr, Vernon, NJ 07462-4601
    View details

    Sussex County, NJ Office Buildings Investment Opportunities Market Analysis

    Explore 69 office buildings for sale in Sussex County, NJ on our real estate platform. These investment opportunities span a total of 3,410,013 square feet of properties for sale, with an estimated market value of $15,719,900.

    Prices for office properties in Sussex County, NJ start at $115,000, averaging $365,579, and reaching up to $1,705,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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