Duplex

West Islip, NY Duplexes for Sale

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Fort Ann, NY Babylon, NY Brightwaters, NY Bayshore, NY Deer Park, NY Islip, NY Lindenhurst, NY Wyandanch, NY
Legal Two-Family Duplex
Updated: Jul 9
Legal Two-Family Duplex

527 Milligan Lane, West Islip, NY 11795

$785,000
0.23 AC lot
Legal two‑family property documented by certificate of occupancy
First‑floor unit with 2 bedrooms, 1 full bath, hardwood floors, quartz counters, and new appliances
Upper apartment includes 2 large bedrooms, granite‑counter kitchen, living room, and formal dining room
100' X 100' lot totaling 0.23 acres
Massive detached 2‑car garage with driveway, open, and on‑street parking
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Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in West Islip, 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.

Legal Two-Family Duplex
Legal Two-Family Duplex

22 Marilyn Court, West Babylon, NY 11704

$749,999
0.19 AC lot

Updated two-unit residence with separate utility meters, private parking, and access to schools, shopping, and public transportation.

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Duplex With Three Kitchens
Duplex With Three Kitchens

1423 9th St, West Babylon, NY 11704

$995,000

Legal two-family property with flexible living areas and fully paid solar panels.

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Waterfront Duplex with Boat Slip
Waterfront Duplex with Boat Slip

756 Hickory Street, Lindenhurst, NY 11757

$749,000
1,200 sqft

Legal two-family ranch with separate utilities, driveways, and canal access.

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Two-Family Duplex with Oversized Garage
Two-Family Duplex with Oversized Garage

7 Gary Street, Lindenhurst, NY 11757

$699,000

Attached apartment and separate entrances support flexible two-family living with substantial finished and storage areas.

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West Islip, NY Duplexes Market Trends and Statistics

Explore 1 duplexes for sale in West Islip, NY on our real estate platform.

Sale prices for duplexes in West Islip, NY average $785,000 — 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 25K
Population Growth (5Y) +0.3%
Median Household Income $171,068
College Educated 73.9%

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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