Duplex

Sag Harbor, NY Duplexes for Sale

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Southampton, NY Watermill, NY Shelter Island, NY Southold, NY Bridgehampton, NY East Hampton, NY Wainscott, NY Sagaponack, NY
Two-Family Duplex with Parking
Updated: Aug 15, 2025
Two-Family Duplex with Parking

57 JERMAIN AVE, Sag Harbor, NY 11963

$1,949,000
1,577 sqft 0.21 AC lot
Legal two‑family duplex built in 1938
1,577 square feet on a 0.21‑acre lot
Three‑plus bedrooms, three full baths, and a den
Two kitchens and two living rooms
Off‑street parking and long Oakland frontage
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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.

Renovation-Ready Two-Family Property
Renovation-Ready Two-Family Property

33 Locust Avenue, Southampton, NY 11968

$999,999
0.46 AC lot

Two detached ranch homes share a legally designated two-family parcel in Southampton.

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Duplex with Updated Kitchens
Duplex with Updated Kitchens

458 N Magee Street, Southampton, NY 11968

$1,500,000
0.18 AC lot

Corner-lot property with two living areas, quartz counters, stainless appliances, and a full unfinished basement.

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Two-Family Duplex with Outdoor Space
Two-Family Duplex with Outdoor Space

401 Wiggins Street, Greenport, NY 11944

$1,297,000
0.12 AC lot

Separate residential units include central air, a front porch, deck, patio, and driveway parking.

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Two-Unit Colonial Duplex
Two-Unit Colonial Duplex

407 Wiggins Street, Greenport, NY 11944

$1,297,000
0.12 AC lot

Legal two-family property with separate units, outdoor amenities, and public utilities.

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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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