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    Prt Jefferson Station, NY Office Buildings for Sale

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    Brooklyn, NY Queens, NY New York, NY
    Professional Office Building For Sale
    $799,000
    5,000 SF

    Professional Office Building For Sale

    111 N Country Road, Port Jefferson, NY 11777

    Well-maintained 5,000 SF office building in Port Jefferson, NY.

    • Prime location in Port Jefferson, Long Island, close to hospitals, train, and bus lines.
    • Well‑maintained 5,000 SF professional office building with two modern units.
    • Major suite renovations completed in 2019.
    • Strong leasing history with upside potential.
    • Suitable for owner‑user or investment.
    Updated: Nov 21, 2025
    View details
    Office
    $799,000
    5,000 SF

    Office

    111 N Country Rd, Port Jefferson, NY 11777

    Office buildings · 5,000 SF

    • Well‑maintained 5,000 SF professional office building in Port Jefferson, NY.
    • Two modern office suites with major renovations completed in 2019.
    • Located within the Village of Port Jefferson's PO (professional office) zoning.
    • Strong occupancy history with upside potential.
    • Convenient location near Northwell's John T. Mather Hospital and Catholic Health's St. Charles Hospital.
    Updated: Jul 2, 2024
    View details
    Based on your search, we've compiled 169 Potential Opportunities for your consideration. Besides 2 Active listings in Prt Jefferson Station, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 159 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Professional Office Building on Route 25
    $1,000,000
    0.44 Acres

    Professional Office Building on Route 25

    3,486 SF office building with owner-user suite and lease-up upside.

    1814 Middle Country Road, Ridge, NY 11961
    View details
    Professional Office Building on Route 25
    $1,000,000
    0.44 Acres

    Professional Office Building on Route 25

    3,486 SF office building with owner-user suite and lease-up upside.

    1814 Middle Country Road, Ridge, NY 11961
    View details
    New Construction Office Building
    $2,795,000
    10,000 SF

    New Construction Office Building

    New construction office building built in 2020, 10000 square feet.

    263-265 Indian Head Rd, Kings Park, NY 11725
    View details
    Renovated Office Building with Retail
    $1,199,000

    Renovated Office Building with Retail

    Freestanding, renovated office building with retail exposure and parking.

    121 Pulaski Rd, Kings Park, NY 11754
    View details

    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.

    Rocky Point Commercial Lot
    $390,000
    0.41 Acres

    Rocky Point Commercial Lot

    J-2 zoned commercial lot in Rocky Point, NY.

    N Country Roads, Rocky Point, NY
    View details
    Commercial Land Near Montauk Highway
    $699,000
    0.50 Acres

    Commercial Land Near Montauk Highway

    Vacant commercial lot near Montauk Hwy, Shirley, NY.

    V/L Versa Place, Shirley, NY 11967
    View details
    Commercial Land Near Montauk Highway
    $699,000
    0.50 Acres

    Commercial Land Near Montauk Highway

    Prime commercial lot near shopping, zoned J6, approved for building.

    V/L Versa Place, Shirley, NY 11967
    View details
    Commercial Land in Mastic, NY
    $749,500
    0.31 Acres

    Commercial Land in Mastic, NY

    Commercial land near shopping center and residential neighborhoods.

    1287 Montauk Highway, Mastic, NY 11950
    View details

    Explore Off-Market Properties in Prt Jefferson Station, NY

    Consider similar Off-Market properties in Prt Jefferson Station, NY. 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.

    590 Patchogue Rd

    590 Patchogue Rd

    PROFESSIONAL BUILDING • 0.32 Acres
    Value Estimation
    $665,000
    590 Patchogue Rd, Port Jefferson Station, NY 11776-1032
    View details
    1075 Rte 112

    1075 Rte 112

    OFFICE BUILDING • 0.29 Acres
    Value Estimation
    $715,000
    1075 Rte 112, Port Jefferson Station, NY 11776-8051
    View details
    650 Hallock Ave

    650 Hallock Ave

    PROFESSIONAL BUILDING • 0.44 Acres
    Value Estimation by Request
    650 Hallock Ave, Port Jefferson Station, NY 11776-1256
    View details
    60 Country Rd

    60 Country Rd

    OFFICE BUILDING • 0.65 Acres
    Value Estimation
    $2,725,000
    60 Country Rd, Port Jefferson Station, NY 11777-2188
    View details
    492 Old Town Rd

    492 Old Town Rd

    PROFESSIONAL BUILDING • 0.36 Acres
    Value Estimation by Request
    492 Old Town Rd, Port Jefferson Station, NY 11776-2249
    View details
    518-526 Main St

    518-526 Main St

    OFFICE BUILDING • 4,400 SF
    Value Estimation
    $3,200,000
    518-526 Main St, Port Jefferson, NY 11777
    View details
    Medical Dr

    Medical Dr

    PROFESSIONAL BUILDING • 0.33 Acres
    Value Estimation
    $890,000
    Medical Dr, Port Jefferson Station, NY 11776
    View details
    12 Walnut St

    12 Walnut St

    OFFICE BUILDING • 0.11 Acres
    Value Estimation
    $710,000
    12 Walnut St, Port Jefferson, NY 11777-2164
    View details
    1650 Rte 112

    1650 Rte 112

    PROFESSIONAL BUILDING • 3.26 Acres
    Value Estimation by Request
    1650 Rte 112, Port Jefferson Station, NY 11776-3060
    View details
    7 Roosevelt Ave

    7 Roosevelt Ave

    OFFICE BUILDING • 0.21 Acres
    Value Estimation by Request
    7 Roosevelt Ave, Port Jefferson Station, NY 11776-3336
    View details
    425 Old Town Rd

    425 Old Town Rd

    PROFESSIONAL BUILDING • 2,506 SF
    Value Estimation
    $615,000
    425 Old Town Rd, Port Jefferson Station, NY 11776-3627
    View details
    5225 Nesconset Hwy Ste, Unit 15

    5225 Nesconset Hwy Ste, Unit 15

    PROFESSIONAL BUILDING • 0.03 Acres
    Value Estimation
    $1,050,000
    5225 Nesconset Hwy Ste, Port Jefferson Station, NY 11776-2054
    View details
    6 Roosevelt Ave

    6 Roosevelt Ave

    OFFICE BUILDING • 0.46 Acres
    Value Estimation
    $1,150,000
    6 Roosevelt Ave, Port Jefferson Station, NY 11776-3364
    View details
    640 Belle Terre Rd

    640 Belle Terre Rd

    PROFESSIONAL BUILDING • 0.15 Acres
    Value Estimation by Request
    640 Belle Terre Rd, Port Jefferson, NY 11777-1936
    View details
    5225 Nesconset Hwy

    5225 Nesconset Hwy

    PROFESSIONAL BUILDING • 0.02 Acres
    Value Estimation by Request
    5225 Nesconset Hwy, Port Jefferson Station, NY 11776-2053
    View details
    Roosevelt Ave

    Roosevelt Ave

    OFFICE BUILDING • 0.19 Acres
    Value Estimation by Request
    Roosevelt Ave, Port Jefferson Station, NY 11776
    View details
    5360 Nesconset Hwy

    5360 Nesconset Hwy

    PROFESSIONAL BUILDING • 0.67 Acres
    Value Estimation
    $995,000
    5360 Nesconset Hwy, Port Jefferson Station, NY 11776-2018
    View details
    640 Belle Terre Rd

    640 Belle Terre Rd

    PROFESSIONAL BUILDING • 0.28 Acres
    Value Estimation
    $725,000
    640 Belle Terre Rd, Port Jefferson, NY 11777-1936
    View details
    620 Belle Terre Rd

    620 Belle Terre Rd

    PROFESSIONAL BUILDING • 0.64 Acres
    Value Estimation by Request
    620 Belle Terre Rd, Port Jefferson, NY 11777-2500
    View details
    10 Roosevelt Ave

    10 Roosevelt Ave

    PROFESSIONAL BUILDING • 0.46 Acres
    Value Estimation by Request
    10 Roosevelt Ave, Port Jefferson Station, NY 11776-3393
    View details
    1050 Hallock Ave

    1050 Hallock Ave

    OFFICE BUILDING • 0.54 Acres
    Value Estimation
    $1,180,000
    1050 Hallock Ave, Port Jefferson Station, NY 11776-1214
    View details
    640 Belle Terre Rd

    640 Belle Terre Rd

    PROFESSIONAL BUILDING • 0.06 Acres
    Value Estimation by Request
    640 Belle Terre Rd, Port Jefferson, NY 11777-1936
    View details

    Prt Jefferson Station, NY Office Buildings Investment Opportunities Market Analysis

    Explore 161 office buildings for sale in Prt Jefferson Station, NY on our real estate platform. These investment opportunities span a total of 731,808 square feet of properties for sale, with an estimated market value of $18,550,000.

    Sale prices for office properties in Prt Jefferson Station, NY start at $230,000, averaging $1,091,176, and reaching up to $4,545,000 — 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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    Leading Commercial Asset Segments

    Office Units 10
    Medical Office Space 6
    Office buildings 3

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