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    Seaford, NY
    Duplex

    Seaford, NY Duplexes for Sale

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    Massapequa, NY Wantagh, NY Bellmore, NY Hempstead, NY Long Beach, NY Massapequa Park, NY Merrick, NY Amityville, NY
    Renovated Two-Family Duplex
    Updated: Jun 26
    Renovated Two-Family Duplex

    3914 Waverly Avenue, Seaford, NY 11783

    $1,200,000
    0.13 AC lot
    Fully renovated two‑family duplex with 5 bedrooms and 3 baths
    Two apartments: 3‑bedroom first‑floor unit and 2‑bedroom second‑floor unit
    0.1313‑acre corner lot measuring 51 x 111
    BUSINESS zoning applies to the residence and detached garage
    Detached 2‑car garage divided into two private bays
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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    1 active listing matches your search: Duplex for sale in Seaford, NY. Based on your search, we've also compiled 4 Potential Opportunities for your consideration: 4 properties in nearby cities.

    Opportunities in Nearby Cities

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

    Duplex with Detached Garage
    Duplex with Detached Garage

    248 Guy Lombardo Avenue, Freeport, NY 11520

    $814,500
    0.20 AC lot

    Two separate electric meters and two gas meters serve the residence.

    View details
    Duplex with Private Entrances
    Duplex with Private Entrances

    35 Greene Avenue, Amityville, NY 11701

    $695,000
    0.15 AC lot

    Two distinct apartments offer separate laundry arrangements, outdoor areas, and dedicated utility service.

    View details
    Corner-Lot Duplex
    Corner-Lot Duplex

    21 Locust Avenue, Amityville, NY 11701

    $799,000
    0.36 AC lot

    Two residential units include finished basements, separate utilities, and a detached garage.

    View details
    Updated Duplex with Detached Garage
    Updated Duplex with Detached Garage

    261 Rutland Road, Freeport, NY 11520

    $749,000
    0.17 AC lot

    Vacant duplex with an updated lower residence, separate entrances, and flexible owner-occupant or rental use.

    View details

    Seaford, NY Duplexes Market Trends and Statistics

    Explore 1 duplexes for sale in Seaford, NY on our real estate platform.

    Sale prices for two-family homes in Seaford, NY average $1,200,000 — 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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    Duplexes 1

    Demographics Overview

    Population 22K
    Population Growth (5Y) +1.5%
    Median Household Income $164,128
    College Educated 66.0%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11783 $1.2M

    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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