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    Oyster Bay, NY
    Duplex

    Oyster Bay, NY Duplexes for Sale

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    Syosset, NY Mill Neck, NY Woodbury, NY Hicksville, NY Westbury, NY Locust Valley, NY Greenvale, NY Glen Cove, NY
    Legal Two-Family Duplex
    Updated: Jul 6
    Legal Two-Family Duplex

    22 Locust Avenue, Glen Head, NY 11545

    $975,000
    0.15 AC lot
    Legal two‑family residence with separate entrances for both apartments
    Two bedrooms and one full bath in each apartment
    Built in 1905 with contemporary style and frame construction
    Hardwood (wood) flooring plus eat‑in kitchens and open floorplan
    Fenced backyard and detached two‑car garage with driveway parking
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    Frame Duplex with Natural Gas Heat
    Updated: May 8
    Frame Duplex with Natural Gas Heat

    2 Huron Street, Glen Head, NY 11545

    $710,000
    0.13 AC lot
    Bidding opens 5/26/26 at 1 pm and ends 5/28/26 at 1 pm (approx)
    Registration deadline 5/27/26 at 4 pm; sold “as‑is”
    0.1263‑acre lot
    Built in 1956
    Frame construction
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    Newly Renovated Duplex with Central AC
    Newly Renovated Duplex with Central AC

    75 Anstice Street, Oyster Bay, NY 11771

    $1,250,000
    1,714 sqft

    Newly renovated duplex with central AC, three baths, finished basement kitchen, and in-unit washers and dryers.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Two-Unit Duplex with Garage
    Two-Unit Duplex with Garage

    22 Locust Avenue, Glen Head, NY 11545

    $975,000

    Legal two-family residence with separate entrances, updated kitchens and baths, and a fenced backyard.

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Oyster Bay, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    Two-Family Income Property
    Two-Family Income Property

    1 Beverly Road, Glen Cove, NY 11542

    $799,000
    0.20 AC lot

    Two separate units offer bedroom and living space with off-street parking for both residences.

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    Duplex With Possible Three-Family Conversion
    Duplex With Possible Three-Family Conversion

    241 Covert Street, Westbury, NY 11590

    $879,999

    Legal two-family residence with separate utilities and possible approval to convert to a three-family home.

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    Ranch Duplex with Private Driveway
    Ranch Duplex with Private Driveway

    813 Prospect Avenue, Westbury, NY 11590

    $589,000
    0.15 AC lot

    Ranch duplex with natural gas heat, a 1-bedroom unit and a 2-bedroom unit, plus private parking driveway access.

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    Mixed-Use Building in Downtown Glen Cove
    Mixed-Use Building in Downtown Glen Cove

    63 1/2 Glen St, Glen Cove, NY 11542

    $778,000

    Mixed-use building with commercial unit and two residential apartments.

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    Oyster Bay, NY Duplexes Market Trends and Statistics

    Explore 4 duplexes for sale in Oyster Bay, NY, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 1,714 square feet of properties for sale, with an estimated market value of $3,910,000.

    Sale prices for duplexes in Oyster Bay, NY start at $710,000, averaging $977,500, and reaching up to $1,250,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Apartment buildings 1
    Duplexes 1
    Triplexes 1

    Demographics Overview

    Population 10K
    Population Growth (5Y) +7.1%
    Median Household Income $163,134
    College Educated 84.8%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11771 $1.3M

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Nassau County

    New Delisted

    Total CRE Inventory on Market (SF)

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    • 11545
    • 11771

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