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    Bayville, NY
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    Bayville, NY Duplexes for Sale

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    Locust Valley, NY Centre Island, NY Mill Neck, NY Lloyd Neck, NY Glen Cove, NY Sea Cliff, NY Syosset, NY Cold Spring Harbor, NY
    Duplex with Two Decks
    Updated: Aug 13
    Duplex with Two Decks

    6 17th Street, Bayville, NY 11709

    $899,000
    0.18 AC lot
    Two‑family ranch with five bedrooms and three bathrooms
    Flexible configuration for separate residences or one larger home
    Recently renovated bathrooms and new upper and lower decks
    Two‑car garage with driveway and on‑street parking
    0.1837‑acre lot with level backyard and mature landscaping
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    Beachfront Duplex Property
    Updated: Jan 3
    Beachfront Duplex Property

    19 Pine Lane, Bayville, NY 11709

    $1,399,000
    0.06 AC lot
    Legal two‑family setup with a 2‑bedroom, 2‑bath main home and separate 1‑BR cottage
    Beachfront setting with 180‑degree views of Long Island Sound
    0.0649‑acre lot with a driveway for 4 cars plus a separate car‑space cutout
    Recent one‑year renovation included structural reinforcement and basement waterproofing
    New electrical system, 3‑zone gas heat, appliances, flooring, and cottage roof
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    Renovated Duplex with Decks
    Renovated Duplex with Decks

    6 17th Street, Bayville, NY 11709

    $899,000

    Two residences can remain separate or be configured as one larger home.

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    See what stands out in Nassau County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Based on your search, we've compiled 7 Potential Opportunities for your consideration. Besides 3 Active listings in Bayville, 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.

    Maintained Duplex with Finished Basement
    Maintained Duplex with Finished Basement

    34 Nassau Avenue, Glen Cove, NY 11542

    $1,395,000
    0.15 AC lot

    Two residential units include flexible lower-level space, private outdoor areas, and driveway and garage parking.

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    Renovated Two-Family Duplex
    Renovated Two-Family Duplex

    32 Franklin Avenue, Sea Cliff, NY 11579

    $1,149,000
    0.19 AC lot

    Legal two-family residence with separate entry options, updated interiors, fenced grounds, and an oversized garage with loft storage.

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    Two-Unit Duplex with Finished Basement
    Two-Unit Duplex with Finished Basement

    34 Nassau Avenue, Glen Cove, NY 11542

    $1,395,000

    Finished lower-level rooms and a separate walk-out entrance add flexible space.

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    Renovated Legal Duplex
    Renovated Legal Duplex

    32 Franklin Avenue, Sea Cliff, NY 11579

    $1,149,000
    0.19 AC lot

    Two residences offer flexible access, updated systems, laundry facilities, and substantial garage storage.

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    Bayville, NY Duplexes Market Trends and Statistics

    Explore 3 duplexes for sale in Bayville, NY, showcased through 3 active listings on our real estate platform.

    Sale prices for duplexes in Bayville, NY start at $899,000, averaging $1,065,666, and reaching up to $1,399,000 — 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

    Duplexes 3

    Demographics Overview

    Population 6,744
    Population Growth (5Y) +0.5%
    Median Household Income $143,571
    College Educated 82.8%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11709 $1.1M

    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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