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    Syosset, NY Office Buildings for Sale

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    Standalone Corner Office Building Syosset
    $800,000
    3,094 SF

    Standalone Corner Office Building Syosset

    26 Berry Hill Rd, Syosset, NY

    Two-story office building in downtown Syosset, easy commuter access.

    • Prime corner location in downtown Syosset with high visibility.
    • Walking distance to LIRR Syosset station for easy commuting.
    • Building can be delivered vacant.
    • Located in the heart of downtown Syosset near retail and restaurants.
    • Easy access to Northern Blvd. and Jericho Tpke.
    Updated: Nov 25, 2025
    View details
    Based on your search, we've compiled 63 Potential Opportunities for your consideration. Besides 1 Active listings in Syosset, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 54 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.

    Melville Office Building For Sale
    $18,000,000
    54,000 SF

    Melville Office Building For Sale

    54,000 SF office building in Melville, NY.

    10 Melville Park Rd, Melville, NY
    View details
    Plainview Office Building For Sale
    $6,499,000
    32,898 SF

    Plainview Office Building For Sale

    Multi-tenant office building with lease-up potential and ample parking.

    700 Old Country Rd, Plainview, NY
    View details
    Melville Office Building For Sale
    $4,950,000
    17,280 SF

    Melville Office Building For Sale

    17,280 SF office building available in Melville, NY.

    60 Broadhollow Rd, Melville, NY 11747
    View details
    Plainview Office Building For Rent
    $6,275,000
    1,189 SF

    Plainview Office Building For Rent

    Office building with Long Island Expressway access available for rent.

    88 Sunnyside Blvd, Plainview, NY
    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.

    Prime Redevelopment Site in Westbury
    $625,000
    0.28 Acres

    Prime Redevelopment Site in Westbury

    Corner lot in Westbury available for redevelopment with high visibility.

    899 Old Country Road, Westbury, NY 11590
    View details
    Amityville Land For Sale
    $1,999,990
    0.95 Acres

    Amityville Land For Sale

    0.95 acre commercial land in Amityville, NY.

    770 N Broadway, Amityville, NY 11701
    View details
    Flushing Land For Sale
    $3,300,000
    0.07 Acres

    Flushing Land For Sale

    Commercial land available in Flushing, Queens.

    139-01 Franklin Avenue, Flushing, NY 11355
    View details
    Sayville Land: Build Your Dream
    $1,049,999
    0.38 Acres

    Sayville Land: Build Your Dream

    Spacious land parcel in Sayville, perfect for residential or investment.

    48-52 Browns River Road, Sayville, NY 11782
    View details

    Explore Off-Market Properties in Syosset, NY

    Consider similar Off-Market properties in Syosset, 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.

    160 Oak Dr

    160 Oak Dr

    OFFICE BUILDING • 10,044 SF
    Value Estimation by Request
    160 Oak Dr, Syosset, NY 11791-4621
    View details
    149 Eileen Way

    149 Eileen Way

    OFFICE BUILDING • 10,088 SF
    Value Estimation
    $3,200,000
    149 Eileen Way, Syosset, NY 11791-5302
    View details
    40 Underhill Blvd

    40 Underhill Blvd

    OFFICE BUILDING • 4,371 SF
    Value Estimation
    $2,010,000
    40 Underhill Blvd, Syosset, NY 11791-3490
    View details
    1 Aerial Way

    1 Aerial Way

    OFFICE BUILDING • 24,644 SF
    Value Estimation
    $5,100,000
    1 Aerial Way, Syosset, NY 11791-5501
    View details
    75 Jackson Ave

    75 Jackson Ave

    OFFICE BUILDING • 5,169 SF
    Value Estimation
    $3,720,000
    75 Jackson Ave, Syosset, NY 11791-3141
    View details
    303 Jackson Ave

    303 Jackson Ave

    OFFICE BUILDING • 777 SF
    Value Estimation
    $910,000
    303 Jackson Ave, Syosset, NY 11791-4123
    View details
    121-123 Eileen Way

    121-123 Eileen Way

    PROFESSIONAL BUILDING (MULTI-STORY) • 9,800 SF
    Value Estimation
    $3,130,000
    121-123 Eileen Way, Syosset, NY 11791
    View details
    26 Berry Hl Rd

    26 Berry Hl Rd

    PROFESSIONAL BUILDING (MULTI-STORY) • 1,820 SF
    Value Estimation
    $1,010,000
    26 Berry Hl Rd, Syosset, NY 11791-2611
    View details
    87 Cold Spg Rd

    87 Cold Spg Rd

    PROFESSIONAL BUILDING (MULTI-STORY) • 448 SF
    Value Estimation
    $1,440,000
    87 Cold Spg Rd, Syosset, NY 11791-3150
    View details
    6500 Jericho Tpke

    6500 Jericho Tpke

    OFFICE BUILDING • 2,508 SF
    Value Estimation by Request
    6500 Jericho Tpke, Syosset, NY 11791-4489
    View details
    6901 Jericho Tpke

    6901 Jericho Tpke

    OFFICE BUILDING • 72,900 SF
    Value Estimation
    $15,475,000
    6901 Jericho Tpke, Syosset, NY 11791-4441
    View details
    6801 Jericho Tpke

    6801 Jericho Tpke

    OFFICE BUILDING • 20,405 SF
    Value Estimation
    $2,940,000
    6801 Jericho Tpke, Syosset, NY 11791-4458
    View details
    23 Willis Ave

    23 Willis Ave

    OFFICE BUILDING • 2,240 SF
    Value Estimation
    $1,445,000
    23 Willis Ave, Syosset, NY 11791-3729
    View details
    50 Underhill Blvd

    50 Underhill Blvd

    PROFESSIONAL BUILDING (MULTI-STORY) • 6,315 SF
    Value Estimation
    $1,275,000
    50 Underhill Blvd, Syosset, NY 11791-3418
    View details
    6851 Jericho Tpke

    6851 Jericho Tpke

    OFFICE BUILDING • 68,080 SF
    Value Estimation
    $9,170,000
    6851 Jericho Tpke, Syosset, NY 11791-4494
    View details
    317 Jackson Ave

    317 Jackson Ave

    OFFICE BUILDING • 1,360 SF
    Value Estimation
    $865,000
    317 Jackson Ave, Syosset, NY 11791-4123
    View details
    300 Oyster Bay Rd

    300 Oyster Bay Rd

    OFFICE BUILDING • 1,840 SF
    Value Estimation
    $830,000
    300 Oyster Bay Rd, Syosset, NY 11791-6229
    View details
    62-64 Oak Dr

    62-64 Oak Dr

    OFFICE BUILDING • 11,500 SF
    Value Estimation
    $2,010,000
    62-64 Oak Dr, Syosset, NY 11791
    View details
    60 Oak Dr

    60 Oak Dr

    OFFICE BUILDING • 8,489 SF
    Value Estimation
    $2,715,000
    60 Oak Dr, Syosset, NY 11791-4647
    View details
    30 Berry Hl Rd

    30 Berry Hl Rd

    OFFICE BUILDING • 1,708 SF
    Value Estimation
    $945,000
    30 Berry Hl Rd, Syosset, NY 11791-2627
    View details
    99 Cold Spg Rd

    99 Cold Spg Rd

    PROFESSIONAL BUILDING (MULTI-STORY) • 2,634 SF
    Value Estimation
    $1,685,000
    99 Cold Spg Rd, Syosset, NY 11791-3140
    View details
    60 Queens St

    60 Queens St

    OFFICE BUILDING • 4,000 SF
    Value Estimation
    $1,000,000
    60 Queens St, Syosset, NY 11791-3058
    View details
    2 Muttontown Eastwoods Rd

    2 Muttontown Eastwoods Rd

    OFFICE BUILDING • 2,675 SF
    Value Estimation
    $1,545,000
    2 Muttontown Eastwoods Rd, Syosset, NY 11791-2425
    View details

    Syosset, NY Office Buildings Investment Opportunities Market Analysis

    Explore 55 office buildings for sale in Syosset, NY on our real estate platform. These investment opportunities span a total of 351,141 square feet of properties for sale, with an estimated market value of $31,415,000.

    Sale prices for office properties in Syosset, NY start at $465,000, averaging $2,617,916, and reaching up to $5,100,000 — 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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