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    Sag Harbor, NY
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    Sag Harbor, NY Multifamily Properties for Sale

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    Watermill, NY Southampton, NY Southold, 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 on the corner of Jermain Ave and Oakland Ave in the Sag Harbor Village Historic District
    3+ bedrooms, 3 full bathrooms, plus a den—flexible layout for multiple living arrangements
    Two kitchens and two living rooms to support true two‑family use or conversion options
    Public water and septic tank sewer services
    Off‑street parking and long Oakland frontage for access and design flexibility
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    Sag Harbor Mixed-Use Buildings Assemblage
    Updated: May 14
    Sag Harbor Mixed-Use Buildings Assemblage

    3 Madison Street, Sag Harbor, NY 11963

    $13,750,000
    9,032 sqft
    Prime Village Location: Assemblage of two mixed‑use buildings in the heart of Sag Harbor Village.
    Significant Square Footage: Totaling 7,775sf plus 1,364sf in outbuildings, offering substantial space.
    Mixed‑Use Potential: Features retail spaces and multiple apartments, providing income opportunities.
    Historic Properties: Both buildings are historic, offering unique character and charm.
    Multiple Units: Includes multiple apartments and retail spaces, suitable for rental income or owner occupancy.
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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 10 Potential Opportunities for your consideration. Besides 2 Active listings in Sag Harbor, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, 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.

    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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    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.

    View details
    East Hampton Mobile Home Park
    East Hampton Mobile Home Park

    337 Three Mile Harbo 10, East Hampton, NY 11937

    $425,000

    Residentially owned mobile home park unit in East Hampton, NY.

    View details
    Mixed-Use Building with Retail and Housing
    Mixed-Use Building with Retail and Housing

    105 Newtown Lane, East Hampton, NY 11937

    $13,750,000
    0.25 AC lot

    Fully leased mixed-use building with street-level retail, apartments, and a separate rental house.

    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.

    Southampton Village Multifamily Opportunity
    Southampton Village Multifamily Opportunity

    39 Halsey Avenue, Southampton, NY 11968

    $2,300,000
    0.33 AC lot

    Two-family home in the heart of Southampton Village.

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    Expansive Land Parcel in Holmes
    Expansive Land Parcel in Holmes

    545 Grape Hollow Road, Holmes, NY 12531

    $750,000
    2,480 sqft · 75.32 AC lot

    75+ acre land parcel with garage near I-84.

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    Flatbush Development Property For Sale
    Flatbush Development Property For Sale

    14 E 32nd Street lot: 13, Brooklyn, NY 11226

    $1,249,000
    1,407 sqft · 0.09 AC lot

    40 x 100 lot with R6, C1-2 zoning.

    View details
    Brooklyn Two-Family Home with Development Potential
    Brooklyn Two-Family Home with Development Potential

    69 Martense Street, Brooklyn, NY 11226

    $1,888,888
    2,660 sqft · 0.10 AC lot

    Two-family home on a large lot with significant development potential.

    View details

    Sag Harbor, NY Multifamily Properties Market Trends and Statistics

    Explore 2 multifamily properties for sale in Sag Harbor, NY on our real estate platform. These investment opportunities span a total of 10,609 square feet of properties for sale, with an estimated market value of $15,699,000.

    Sale prices for multifamily properties in Sag Harbor, NY start at $1,949,000, averaging $7,849,500, and reaching up to $13,750,000 — 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

    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 $7.8M

    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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