Advertise
    Sag Harbor, NY
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Property Types
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price
    $
    $

    Sag Harbor, NY Duplexes for Sale

    Notify Me
    List
    Map
    Watermill, NY Southampton, NY Southold, NY
    Corner Legal Two-Family Home
    $1,995,000
    1,577 SF
    Corner Legal Two-Family Home

    57 JERMAIN AVE, Sag Harbor, NY 11963

    Legal two-family with flexible living options, off-street parking, and room for a pool.
    • Circa‑1938 legal two‑family home in the Sag Harbor Village Historic District
    • Corner lot on Jermain and Oakland with long Oakland frontage for access and design flexibility
    • Two kitchens, two living rooms, and three‑plus bedrooms plus a den
    • Three full bathrooms and basement included
    • Garage and off‑street parking
    Updated: Aug 15, 2025
    View details
    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
    $1,199,999
    0.46 Acres
    Two Homes, Southampton Opportunity

    Two detached homes on a single lot in Southampton.

    33 Locust Avenue, Southampton, NY 11968

    View details
    Greenport Legal Two-Family Property
    $1,297,000
    0.12 Acres
    Greenport Legal Two-Family Property

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

    401 Wiggins Street, Greenport, NY 11944

    View details
    Greenport Legal Two-Family Home
    $1,297,000
    0.12 Acres
    Greenport Legal Two-Family Home

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

    407 Wiggins Street, Greenport, NY 11944

    View details
    Southampton Village Multifamily Opportunity
    $2,300,000
    0.33 Acres
    Southampton Village Multifamily Opportunity

    Two-family home in the heart of Southampton Village.

    39 Halsey Avenue, Southampton, NY 11968

    View details

    Sag Harbor, NY Duplexes Investment Opportunities Market Analysis

    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 $1,995,000.

    Sale prices for duplexes in Sag Harbor, NY start at $1,995,000, averaging $1,995,000, and reaching up to $1,995,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Apartment buildings 1
    Triplexes 1

    Demographics Overview

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

    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)

    Need Help?

    Reach out if you need assistance with Realmo tools or have questions about your listings

    Contact Us

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!