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    Syosset, NY Mixed-use Properties for Lease

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    Syosset Multi-Tenant Office Building
    Updated: Sep 19, 2025
    Syosset Multi-Tenant Office Building

    575 Underhill Blvd, Syosset, NY 11791

    Contact for pricing
    10,000 sqft 16.60 AC lot
    Prime location at the corner of Jericho Turnpike and Underhill Boulevard, offering high visibility and accessibility.
    Ample parking and 24/7 tenant access.
    Sizeable 235,000‑square‑foot, two‑story building with an industrial component on 16.6 acres.
    Strategic positioning in a thriving Syosset business community.
    Easy access to major transportation routes, including Route 135, Routes 106 and 107, and the Long Island Railroad (Syosset Station).
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    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 1 Active listings in Syosset, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 1 Properties for Sales.

    Mixed-use properties for Lease in Nearby Cities

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

    Four-Suite Office Property
    Four-Suite Office Property

    215 Conklin Street, Farmingdale, NY 11735

    $2,800/Mo

    Mixed-use office setting with wood floors, high ceilings, conference space, and an updated ADA-compliant restroom.

    View details
    Mixed-Use Office Property
    Mixed-Use Office Property

    215 Conklin Street Lower, Farmingdale, NY 11735

    $2,800/Mo

    Four office suites, a conference room, and ample parking support business operations.

    View details
    Two-Story Mixed-Use Building
    Two-Story Mixed-Use Building

    215 Willis Avenue 1st Fl, Mineola, NY 11501

    $3,000/Mo

    Commercial and residential levels create a flexible two-story property configuration.

    View details
    Ground-Floor Office Unit
    Ground-Floor Office Unit

    356 Willis Ave, Mineola, NY 11501

    Contact for pricing
    700 sqft

    Private basement storage accompanies the office, with outdoor parking and a detached garage available separately.

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    Similar Spaces for Sale in Syosset, NY

    Consider Similar Space for Sale. We found 1 Spaces matching your search parameters.

    Mixed-Use Building with Retail
    Mixed-Use Building with Retail

    144 N Jackson Avenue, Syosset, NY 11791

    Contact for pricing

    Two-level property combines an occupied retail floor with available office space above.

    View details

    Syosset, NY Mixed-use properties Lease Rates & Market Statistics

    Browse 1 Mixed-use properties listing for lease in Syosset, NY on Realmo, a commercial real estate marketplace serving the Syosset area. The current inventory totals 10,000 square feet of properties.

    Syosset accounts for 8% of the 12 mixed-use properties currently available across Nassau County, where nearby markets include Lynbrook and Farmingdale.

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    Browse Mixed-use properties for Lease Near Syosset, NY

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