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    Sussex County, NJ Office Buildings for Sale

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    Renovated Office Building in Newton
    $380,000
    4,096 SF

    Renovated Office Building in Newton

    11 High St, Newton, NJ 07860

    Newly renovated office building with flexible configuration options and excellent visibility.

    • Newly renovated office building in historic Newton Square (Est. 1890).
    • Flexible configuration options with 4 office suites across 3 floors and private entrances.
    • Excellent visibility in the T‑6 zone, suitable for various uses.
    • Located near the courthouse, downtown business district, restaurants, shopping, and County College, with access to major routes 94 and 206.
    • Four separate electric meters for simple and efficient multi‑tenant leasing.
    Updated: Feb 16
    View details
    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 Commercial Building Near Newton
    $839,000

    Renovated Commercial Building Near Newton

    Versatile, renovated commercial building with parking near Newton center.

    80 Mill St, Newton, NJ 07860
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    Upgraded Brick Building in Newton
    $654,900

    Upgraded Brick Building in Newton

    Three-story upgraded brick building suitable for various uses.

    14 Church St, Newton, NJ 07860
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    Fully Leased Sparta Office Building
    Contact for pricing
    9,529 SF

    Fully Leased Sparta Office Building

    Income-producing professional and medical office building in established business district.

    1 Wilson Dr, Sparta, NJ 07871
    View details
    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 5 Active listings in Sussex County, NJ, we suggest exploring several alternatives: 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.

    Mc Afee

    Mc Afee

    OFFICE BUILDING
    Value Estimation by Request
    Mc Afee, Vernon, NJ 07462
    View details
    Mc Afee

    Mc Afee

    OFFICE BUILDING
    Value Estimation by Request
    Mc Afee, Vernon, NJ 07462
    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
    102 Sally Harden Rd

    102 Sally Harden Rd

    OFFICE BUILDING
    Value Estimation by Request
    102 Sally Harden Rd, Sussex, NJ 07461
    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
    392 State Rt 23

    392 State Rt 23

    OFFICE BUILDING • 1,568 SF
    Value Estimation by Request
    392 State Rt 23, Franklin, NJ 07416-2164
    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
    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
    199 State Rt 284

    199 State Rt 284

    OFFICE BUILDING • 6,637 SF
    Value Estimation by Request
    199 State Rt 284, Sussex, NJ 07461-3417
    View details
    17 Plns Rd

    17 Plns Rd

    OFFICE BUILDING • 4,608 SF
    Value Estimation
    $1,040,000
    17 Plns Rd, Augusta, NJ 07822-2009
    View details
    11 Plns Rd

    11 Plns Rd

    OFFICE BUILDING • 1,932 SF
    Value Estimation by Request
    11 Plns Rd, Augusta, NJ 07822-2009
    View details
    Cor Broad St Wantage Ave Ave

    Cor Broad St Wantage Ave Ave

    OFFICE BUILDING • 0.23 Acres
    Value Estimation by Request
    Cor Broad St Wantage Ave Ave, Branchville, NJ 07826
    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
    2 Tuttles Rd

    2 Tuttles Rd

    OFFICE BUILDING • 1,332 SF
    Value Estimation by Request
    2 Tuttles Rd, Sandyston, NJ 07826
    View details
    Mc Afee

    Mc Afee

    OFFICE BUILDING
    Value Estimation by Request
    Mc Afee, Vernon, NJ 07462
    View details
    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
    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
    199 Us Hwy 206

    199 Us Hwy 206

    OFFICE BUILDING • 624 SF
    Value Estimation by Request
    199 Us Hwy 206, Augusta, NJ 07822
    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

    Sussex County, NJ Office Buildings Investment Opportunities Market Analysis

    Explore 72 office buildings for sale in Sussex County, NJ, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 3,414,369 square feet of properties for sale, with an estimated market value of $16,099,900.

    Sale prices for office properties in Sussex County, NJ start at $115,000, averaging $365,906, and reaching up to $1,705,000 — 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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