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    East Setauket, NY Office Spaces for Sale

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    Stonybrook, NY Port Jefferson, NY Saint James, NY Ronkonkoma, NY Brookhaven, NY Mount Sinai, NY Lake Grove, NY Centereach, NY
    9 properties
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    Office Unit with Private Suites
    Updated: Aug 23
    Office Unit with Private Suites

    100 S Jersey, Setauket, NY 11733

    $325,000
    Three private office suites with French‑door entries
    Communal work area plus dedicated reception space
    Kitchen includes a refrigerator and sink
    One private bathroom and on‑site parking
    Updated natural‑gas heating system that is 6 yr old
    View details
    Ground-Floor Medical Office Suite
    Updated: May 11, 2025
    Ground-Floor Medical Office Suite

    8 Technology Drive, East Setauket, NY 11733

    $999,995
    2.84 AC lot
    Ground‑floor Suite 103 previously used by a medical practitioner
    2500 square feet of office space
    2.84‑acre property in East Setauket
    Central air and on‑site parking lot
    Constructed in 1988 with block, brick, frame, and stucco materials
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    Ground-Floor Office Unit
    Ground-Floor Office Unit

    8 Technology Dr Unit 103, East Setauket, NY 11733

    $999,995
    2,500 sqft

    Approximately 2,500 square feet with direct ground-level access and prior medical office use.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Fully Leased Medical Office Portfolio
    Fully Leased Medical Office Portfolio

    220 N. Belle Mead Road, East Setauket, NY 11733

    Contact for pricing
    22,456 sqft 2.13 AC lot

    Two office buildings support medical and professional occupancy with established tenancy and on-site parking.

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    Flex Space with Overhead Door
    Flex Space with Overhead Door

    13 Technology Drive, East Setauket, NY 11733

    Contact for pricing
    13,600 sqft

    Corner office space can be paired with an adjacent industrial unit for expanded operations and storage.

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    Turnkey Ground-Floor Medical Office Suite
    Turnkey Ground-Floor Medical Office Suite

    103-8 Nesconset Hwy, East Setauket, NY 11733

    $999,995
    2,500 sqft

    Ground-floor, turnkey office suite previously used by a medical practitioner, with possible expansion options.

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    Three-Suite Office Condo
    Three-Suite Office Condo

    100 S Jersey Unit 35, Setauket, NY 11733

    $325,000

    Professional office suite with private rooms, shared workspace, reception, kitchen area, bathroom, and on-site parking.

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    Medical Office For Sale
    Medical Office For Sale

    Strongs Neck, NY 11733

    $999,995
    2.84 AC lot

    2500 SF medical office available for sale or lease.

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    East Setauket Corner Office Unit
    East Setauket Corner Office Unit

    2-21 Technology Dr, East Setauket, NY

    Contact for pricing
    6,800 sqft 3.08 AC lot

    Corner office unit in Stonybrook Technology/Medical Park.

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    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 9 Active listings in East Setauket, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 63 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    Medical Office Building with Parking
    Medical Office Building with Parking

    Stonybrook, NY 11790

    Contact for pricing
    11,000 sqft 39.00 AC lot

    Located on County Road 97 near Stony Brook University and Stony Brook University Hospital, with B1-Residence zoning.

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    School Facility with Administrative Space
    School Facility with Administrative Space

    Stonybrook, NY 11790

    Contact for pricing
    73,990 sqft 20.04 AC lot

    B1-zoned property with substantial land area and connections to established academic and medical destinations.

    View details
    Two-Level Office Building
    Two-Level Office Building

    903 Main Street, Port Jefferson, NY 11777

    Contact for pricing

    Private suites combine natural light, hardwood floors, storage, and dedicated mini-split air-conditioning.

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    Renovated Office Building
    Renovated Office Building

    311 Barnum Avenue, Port Jefferson, NY 11777

    Contact for pricing

    Renovated office property with private parking, storage, and a flexible professional layout.

    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.

    J-2 Zoned Commercial Land
    J-2 Zoned Commercial Land

    N Country Roads, Rocky Point, NY

    $390,000
    0.41 AC lot

    Commercial land in Rocky Point with J-2 zoning and potential for office, retail, workshop, and automotive-oriented uses.

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    Commercial Land Along Highway
    Commercial Land Along Highway

    1467 Montauk Highway, Mastic, NY 11950

    $950,000
    0.55 AC lot

    Vacant commercial parcel with water available and public sewer.

    View details
    Commercial Land with Build-to-Suit Plan
    Commercial Land with Build-to-Suit Plan

    34-41 Montauk Highway, East Moriches, NY 11940

    $1,289,000
    1.45 AC lot

    Comm-zoned parcel with septic tank service and a proposed two-building commercial development concept.

    View details
    Commercial Land Across From Apartments
    Commercial Land Across From Apartments

    770 N Broadway, Amityville, NY 11701

    $1,999,990
    0.95 AC lot

    E Business zoning with public water and public sewer serves the commercial parcel.

    View details

    Off-Market Properties in East Setauket, NY

    Consider similar Off-Market properties in East 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.

    100 Jersey Ave, Unit B-36
    CONDOMINIUM OFFICES

    100 Jersey Ave, East Setauket, NY 11733-2034

    Unit B-36
    Estimated value:
    $360,000
    0.03 AC lot
    View details
    9 Technology Dr
    CONDOMINIUM OFFICES

    9 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $1,000,000
    0.10 AC lot
    View details
    7 Jersey Ave
    OFFICE BUILDING

    7 Jersey Ave, East Setauket, NY 11733-2065

    Estimated value:
    $1,580,000
    0.77 AC lot
    View details
    45 Research Way
    OFFICE BUILDING

    45 Research Way, East Setauket, NY 11733-6401

    Estimated value:
    $250,000
    6.00 AC lot
    View details
    19 Technology Dr
    CONDOMINIUM OFFICES

    19 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $925,000
    0.10 AC lot
    View details
    100 Jersey Ave, Unit B-27
    CONDOMINIUM OFFICES

    100 Jersey Ave, East Setauket, NY 11733-2034

    Unit B-27
    Estimated value:
    $465,000
    0.03 AC lot
    View details
    4 Technology Dr
    OFFICE BUILDING

    4 Technology Dr, East Setauket, NY 11733-4080

    Estimated value:
    $1,835,000
    0.04 AC lot
    View details
    Belle Mead N Ave
    PROFESSIONAL BUILDING

    Belle Mead N Ave, East Setauket, NY 11733

    Estimated value:
    $3,295,000
    0.13 AC lot
    View details
    13 Technology Dr
    CONDOMINIUM OFFICES

    13 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $2,310,000
    0.16 AC lot
    View details
    17 Technology Dr
    CONDOMINIUM OFFICES

    17 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $2,310,000
    0.16 AC lot
    View details
    15 Technology Dr
    CONDOMINIUM OFFICES

    15 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $2,310,000
    0.16 AC lot
    View details
    100 Jersey Ave, Unit B-33
    CONDOMINIUM OFFICES

    100 Jersey Ave, East Setauket, NY 11733-2034

    Unit B-33
    Estimated value:
    $230,000
    0.02 AC lot
    View details
    11 Technology Dr
    CONDOMINIUM OFFICES

    11 Technology Dr, East Setauket, NY 11733-4000

    Estimated value:
    $630,000
    0.13 AC lot
    View details
    3400 Nesconset Hwy
    PROFESSIONAL BUILDING

    3400 Nesconset Hwy, East Setauket, NY 11733-3327

    Estimated value:
    $230,000
    0.02 AC lot
    View details
    21 Bennetts Rd
    PROFESSIONAL BUILDING

    21 Bennetts Rd, East Setauket, NY 11733-1243

    Estimated value:
    $725,000
    4,482 sqft 3.76 AC lot
    View details

    East Setauket, NY Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in East Setauket, NY, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 47,856 square feet of properties for sale, with an estimated market value of $4,649,980.

    Sale prices for office spaces in East Setauket, NY start at $325,000, averaging $774,996, and reaching up to $999,995 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Medical Office Space 9
    Office Units 7
    Office buildings 1

    Demographics Overview

    Population 17K
    Population Growth (5Y) +5.2%
    Median Household Income $174,931

    High-Yield Neighborhoods for Investment

    Identify East Setauket submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    11733 $1000K

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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