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    Three-Story Office Building
    Updated: Sep 9
    Three-Story Office Building

    510 S Franklin Street, Hempstead, NY 11550

    $1,700,000
    0.14 AC lot
    Three‑story office building on 0.1377 acres
    Multiple individual spaces with potential for multi‑occupant use
    Rights to build up and build out additional floors
    B zoning
    Stone construction; built in 1963
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    Standalone Medical Office Building
    Updated: Sep 18
    Standalone Medical Office Building

    38 Northern Boulevard, Great Neck, NY 11021

    $3,690,000
    0.18 AC lot
    100% vacant three‑story medical office building
    800 Amp heavy‑duty electrical service and medical‑grade plumbing
    Dual redundant HVAC systems serving 5 zones
    21 dedicated on‑site parking spaces
    2‑year‑old concrete and rubber top roof
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    Brick Professional Office Building
    Brick Professional Office Building

    220 Old Country Road, Mineola, NY 11501

    $4,800,000
    0.21 AC lot

    Second-floor, common-area, and restroom updates support a professional setting with central air and natural-gas heating.

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    One-Story Mixed-Use Property
    One-Story Mixed-Use Property

    500 - 514 Merrick Rd, Baldwin, NY 11510

    $2,300,000
    13,000 sqft

    Two connected commercial buildings combine office and retail space along Merrick Road.

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    Freestanding Medical Office
    Freestanding Medical Office

    325 W Park Avenue, Long Beach, NY 11561

    $2,950,000
    0.23 AC lot

    Single-story facility with private rooms, reception areas, central air, forced-air heat, and on-site parking.

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    Brick Office Building
    Brick Office Building

    91 Carman Avenue, Cedarhurst, NY 11516

    $2,390,000
    0.08 AC lot

    Established office property with central air, natural gas heating, and public water and sewer service.

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    Two-Building Mixed-Use Property
    Two-Building Mixed-Use Property

    29 & 21-23 Broadway, Lynbrook, NY 11563

    $4,300,000
    0.71 AC lot

    Two-building commercial asset with office and multi-purpose functionality, central air conditioning, high ceilings, and on-site parking.

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    Freestanding Medical Office Building
    Freestanding Medical Office Building

    325 W Park Ave, Long Beach, NY 11561

    $2,950,000
    5,084 sqft 0.23 AC lot

    Single-story office/medical layout with treatment rooms and ample on-site parking for patient and client access.

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    Standalone Office Building with Loft
    Standalone Office Building with Loft

    2169 Wantagh Avenue, Wantagh, NY 11793

    $699,999
    0.07 AC lot

    Office property with private work areas, storage, kitchen, parking, and an additional lot with a separate curb cut.

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    Contiguous Office Building Portfolio
    Contiguous Office Building Portfolio

    445 Northern Boulevard, Great Neck, NY 11021

    $15,900,000
    0.58 AC lot

    Two brick office buildings offer central air, basement space, and public water and sewer service.

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    One-Story Mixed-Use Portfolio
    One-Story Mixed-Use Portfolio

    514 Merrick Rd, Baldwin, NY 11510

    $1,100,000
    13,000 sqft

    Two one-story buildings create a consolidated commercial presence along Merrick Road.

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    Corner Flex Building with Warehouse
    Corner Flex Building with Warehouse

    150 Jerusalem Avenue, Massapequa, NY 11758

    $1,299,999
    0.22 AC lot

    Two-level offices, rear storage, and on-site parking support varied commercial configurations.

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    1031 Exchange Property, Mixed-Use Building
    1031 Exchange Property, Mixed-Use Building

    17 Maple Drive, Great Neck, NY 11021

    $8,990,000
    0.23 AC lot

    Fully occupied commercial building combines retail and office tenancy near the LIRR in Great Neck Plaza.

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    Office Building with Medical Infrastructure
    Office Building with Medical Infrastructure

    38 Northern Boulevard, Great Neck, NY 11021

    $3,690,000
    8,600 sqft

    Vacant three-story facility with medical-grade systems and flexible owner-user or commercial investor use.

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    Professional Office Building
    Professional Office Building

    146 E 2nd Street, Mineola, NY 11501

    $1,600,000
    0.15 AC lot

    Existing office layout includes private suites, an open work area, a conference room, and a staff kitchen.

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    Leased Office Building with Parking
    Leased Office Building with Parking

    337-343 - 20 Blake Merrick & Blake Road, Lynbrook, NY 11563

    $1,995,000
    0.24 AC lot

    Fully leased commercial property with updated offices, private parking, and a flexible layout for professional tenants.

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    Standalone Medical Office Building
    Standalone Medical Office Building

    Great Neck NY 11021, Great Neck, NY 11021

    $3,690,000
    8,600 sqft

    Vacant three-story facility with specialized building systems for medical or clinical operations.

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    Brick Office Building
    Brick Office Building

    20 W Park Ave, Long Beach, NY 11561

    $4,300,000

    Fully occupied commercial property with professional offices and a ground-floor coffee and kitchen tenant.

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    Office Building with Finished Basement
    Office Building with Finished Basement

    86 Front St, Hempstead, NY 11550

    $1,295,000
    4,796 sqft 0.12 AC lot

    Storefront office property with flexible work areas, basement amenities, elevator access, and on-site parking.

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    Brick Office Building
    Brick Office Building

    95 Pine Street, Freeport, NY 11520

    $2,300,000

    Office property with attached parking, basement space, and central air conditioning.

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    Commercial Office Building with Warehouse
    Commercial Office Building with Warehouse

    150 Jerusalem Ave, Massapequa, NY 11758

    $1,299,999
    3,700 sqft 0.22 AC lot

    Two-story office building with warehouse and residential dwelling.

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    Two 3-Story Contiguous Office Buildings
    Two 3-Story Contiguous Office Buildings

    445 Northern Boulevard, Great Neck, NY 11021

    $15,900,000
    48,000 sqft 1.75 AC lot

    Two contiguous three-story office buildings on a 1.75-acre campus in Great Neck, built in 1966.

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    Two-Story Office Building
    Two-Story Office Building

    5260 Merrick Rd, Massapequa, NY 11758

    $1,175,000
    3,780 sqft 0.12 AC lot

    Office property with basement space and General Business zoning in the Town of Oyster Bay.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    104 South Central Avenue, Valley Stream, NY 11580

    Contact for pricing
    14,440 sqft 0.23 AC lot

    Five vacant suites and a basement provide additional space within the existing office property.

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    Nassau County, NY Office Buildings Market Trends and Statistics

    Explore 72 office buildings for sale in Nassau County, NY, showcased through 68 active listings on our real estate platform. These investment opportunities span a total of 463,076 square feet of properties for sale, with an estimated market value of $123,762,996.

    Sale prices for office properties in Nassau County, NY start at $699,999, averaging $3,992,354, and reaching up to $16,000,000 — 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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    Featured Nassau County Real Estate Agencies

    Realmo connects you with licensed Nassau County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Charles Rutenberg Realty, Inc.
    255 Executive Drive, Suite 104 Hicksville, NY 11803
    Phone: 15165757500
    www.crrli.com
    Laffey Real Estate
    55 Northern Blvd., East Hills, NY 11548
    Phone: 18882896902
    www.laffey.com
    Laffey International Realt Estate
    193 Hillside Avenue Williston Park, NY 11596
    Phone: 18007741462
    www.bhhslaffey.com
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