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    Sag Harbor, NY
    Duplex

    Sag Harbor, NY Duplexes for Sale

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    Watermill, NY Southampton, NY Bridgehampton, NY Southold, NY Shelter Island, NY East Hampton, NY Wainscott, NY Cutchogue, NY
    Legal Two-Family Corner Home
    Updated: Aug 15, 2025
    Legal Two-Family Corner Home

    57 JERMAIN AVE, Sag Harbor, NY 11963

    $1,949,000
    1,577 sqft 0.21 AC lot
    Circa‑1938 legal two‑family home with 3+ bedrooms and three full bathrooms
    Two kitchens and two living rooms for flexible two‑family or alternative living setups
    Den plus three bedrooms and three full baths across the home
    Public water and septic tank sewer service
    Off‑street parking and room for a pool
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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Sag Harbor, 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 Homes, Southampton Opportunity
    Two Homes, Southampton Opportunity

    33 Locust Avenue, Southampton, NY 11968

    $1,199,999
    0.46 AC lot

    Two detached homes on a single lot in Southampton.

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    Greenport Legal Two-Family Home
    Greenport Legal Two-Family Home

    407 Wiggins Street, Greenport, NY 11944

    $1,297,000
    0.12 AC lot

    Two-family home in Greenport Village near restaurants, shopping, and transportation.

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    Greenport Legal Two-Family Property
    Greenport Legal Two-Family Property

    401 Wiggins Street, Greenport, NY 11944

    $1,297,000
    0.12 AC lot

    Two-family property in Greenport, NY, near local amenities.

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    Two-Family Home with Detached Garage
    Two-Family Home with Detached Garage

    39 Halsey Avenue, Southampton, NY 11968

    $2,300,000
    0.33 AC lot

    Vacant two-family residence on a 0.33-acre lot with a detached two-bay car garage and long driveway.

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    Sag Harbor, NY Duplexes Market Trends and Statistics

    Explore 1 duplexes for sale in Sag Harbor, NY on our real estate platform. These investment opportunities span a total of 1,577 square feet of properties for sale, with an estimated market value of $1,949,000.

    Sale prices for duplexes in Sag Harbor, NY average $1,949,000 — 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 1

    Demographics Overview

    Population 8,114
    Population Growth (5Y) +9.2%
    Median Household Income $126,513
    College Educated 83.5%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    11963 $1.9M

    Taxes & Financing

    Tax Rate (average for all types) 0.95%
    Property Tax per SF $8.84 per SF
    Tax Rate vs County Average 0.02 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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