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    South Setauket, NY Office Buildings for Sale

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    Centereach Office Space For Sale
    $699,000
    0.30 Acres

    Centereach Office Space For Sale

    2539 Middle Country Rd, Centereach, NY 11720

    Office spaces in high-traffic Centereach location on Middle Country Road.

    • High‑traffic location on Middle Country Road (Route 25)
    • Multiple office spaces suitable for end‑users or investors
    • Central air conditioning
    • Baseboard heating
    • Basement included
    Updated: Nov 6, 2025
    View details
    Based on your search, we've compiled 26 Potential Opportunities for your consideration. Besides 1 Active listings in South Setauket, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 21 Off-Market properties to explore as potential leads

    Explore Opportunities in Nearby Cities

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

    Hauppauge Office For Sale
    $559,990
    1,000 SF

    Hauppauge Office For Sale

    Office building in high-traffic area with parking and finished basement.

    774 Townline Rd, Hauppauge, NY 11788
    View details
    Hauppauge Office Building for Sale
    Contact for pricing
    25,200 SF

    Hauppauge Office Building for Sale

    Well-located office building with ample parking and updated common areas.

    1300 Veterans Memorial Hwy, Hauppauge, NY 11788
    View details
    Trophy Office Building For Sale
    $11,250,000
    45,000 SF

    Trophy Office Building For Sale

    45,000 SF trophy building, ideal headquarters location.

    1 Research Rd, Ridge, NY 11961
    View details
    Professional Office Building on Route 25
    $1,200,000
    3,486 SF

    Professional Office Building on Route 25

    Professional office building with owner-user suite and lease-up upside.

    1814 Middle Country Rd, Ridge, NY 11961
    View details

    Explore Off-Market Properties in South Setauket, NY

    Consider similar Off-Market properties in South Setauket, 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.

    2112 Middle Country Rd

    2112 Middle Country Rd

    PROFESSIONAL BUILDING
    Value Estimation
    $9,085,000
    2112 Middle Country Rd, Centereach, NY 11720-3519
    View details
    2566 Middle Country Rd

    2566 Middle Country Rd

    PROFESSIONAL BUILDING • 0.50 Acres
    Value Estimation
    $295,000
    2566 Middle Country Rd, Centereach, NY 11720-3525
    View details
    2539 Middle Country Rd

    2539 Middle Country Rd

    PROFESSIONAL BUILDING • 0.30 Acres
    Value Estimation
    $285,000
    2539 Middle Country Rd, Centereach, NY 11720-3551
    View details
    7 Mark Tree Rd

    7 Mark Tree Rd

    PROFESSIONAL BUILDING • 0.28 Acres
    Value Estimation
    $285,000
    7 Mark Tree Rd, Centereach, NY 11720-2221
    View details
    2450 Middle Country Rd

    2450 Middle Country Rd

    PROFESSIONAL BUILDING • 0.45 Acres
    Value Estimation
    $900,000
    2450 Middle Country Rd, Centereach, NY 11720-3548
    View details
    141 Mark Tree Rd

    141 Mark Tree Rd

    PROFESSIONAL BUILDING • 0.33 Acres
    Value Estimation
    $280,000
    141 Mark Tree Rd, Centereach, NY 11720-2221
    View details
    1919 Middle Country Rd

    1919 Middle Country Rd

    OFFICE BUILDING • 0.63 Acres
    Value Estimation
    $285,000
    1919 Middle Country Rd, Centereach, NY 11720-5600
    View details
    7 Rosemary Ln

    7 Rosemary Ln

    PROFESSIONAL BUILDING • 0.20 Acres
    Value Estimation
    $275,000
    7 Rosemary Ln, Centereach, NY 11720-4440
    View details
    1523 Middle Country Rd

    1523 Middle Country Rd

    PROFESSIONAL BUILDING • 0.09 Acres
    Value Estimation by Request
    1523 Middle Country Rd, Centereach, NY 11720-3513
    View details
    9 Smith St

    9 Smith St

    OFFICE BUILDING • 0.21 Acres
    Value Estimation
    $280,000
    9 Smith St, Centereach, NY 11720-3855
    View details
    1 Mark Tree Rd

    1 Mark Tree Rd

    PROFESSIONAL BUILDING • 0.25 Acres
    Value Estimation
    $275,000
    1 Mark Tree Rd, Centereach, NY 11720-2279
    View details
    1797 Middle Country Rd

    1797 Middle Country Rd

    PROFESSIONAL BUILDING • 0.54 Acres
    Value Estimation
    $280,000
    1797 Middle Country Rd, Centereach, NY 11720-5701
    View details
    18 Eastwood Blvd

    18 Eastwood Blvd

    PROFESSIONAL BUILDING • 0.12 Acres
    Value Estimation
    $290,000
    18 Eastwood Blvd, Centereach, NY 11720-2735
    View details
    2535 Middle Country Rd

    2535 Middle Country Rd

    PROFESSIONAL BUILDING • 0.25 Acres
    Value Estimation
    $280,000
    2535 Middle Country Rd, Centereach, NY 11720-5400
    View details
    1820 Middle Country Rd

    1820 Middle Country Rd

    PROFESSIONAL BUILDING • 1.30 Acres
    Value Estimation
    $270,000
    1820 Middle Country Rd, Centereach, NY 11720-3675
    View details
    1787 Middle Country Rd

    1787 Middle Country Rd

    PROFESSIONAL BUILDING • 1.46 Acres
    Value Estimation
    $280,000
    1787 Middle Country Rd, Centereach, NY 11720-3507
    View details
    99 Mark Tree Rd

    99 Mark Tree Rd

    OFFICE BUILDING • 0.59 Acres
    Value Estimation
    $290,000
    99 Mark Tree Rd, Centereach, NY 11720-2276
    View details
    26 Eastwood Blvd

    26 Eastwood Blvd

    PROFESSIONAL BUILDING • 0.22 Acres
    Value Estimation
    $285,000
    26 Eastwood Blvd, Centereach, NY 11720-2735
    View details
    2297 Middle Country Rd

    2297 Middle Country Rd

    OFFICE BUILDING • 0.25 Acres
    Value Estimation
    $290,000
    2297 Middle Country Rd, Centereach, NY 11720-3666
    View details
    Middle Country Rd

    Middle Country Rd

    OFFICE BUILDING • 0.25 Acres
    Value Estimation
    $280,000
    Middle Country Rd, Centereach, NY 11720
    View details
    23 Howell Ave

    23 Howell Ave

    PROFESSIONAL BUILDING • 3.66 Acres
    Value Estimation
    $265,000
    23 Howell Ave, Centereach, NY 11720-4445
    View details

    South Setauket, NY Office Buildings Investment Opportunities Market Analysis

    Explore 22 office buildings for sale in South Setauket, NY on our real estate platform. These investment opportunities span a total of 32,670 square feet of properties for sale, with an estimated market value of $1,599,000.

    Prices for office properties in South Setauket, NY start at $699,000, averaging $799,500, and reaching up to $900,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Most Searched ZIP Codes in South Setauket, NY

    • 11720

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