Housing in West Islip, NY
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$732,500
Median List Price
$704,000
Price Per Sq Ft
$389
Days on Market
28
Active Inventory
16
Months of Supply
1.3
Seller's market
Zillow Home Value
$715,737
ZHVI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
50.0%
Off Market in 2 Weeks
11.1%
Sale-to-List Ratio
99.6%
Buyer's market
Market Activity
Source: RedfinHomes Sold
12
New Listings
14
Pending Sales
9
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$389
Median List $/SF
$455
West Islip vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 25,000 - 50,000 residents. West Islip is highlighted.
Median Home Value
Median Rent
Median Price Per Sq Ft
Rent Burden
Census Housing Data
Source: U.S. Census Bureau ACS (2023)Median Home Value
$592,700
Median Rent
$2,613
Total Housing Units
8,650
Vacancy Rate
1.6%
Owner Occupied
95.8%
Renter Occupied
4.2%
Median Property Tax
$10,001
per year
Monthly Cost (w/ Mortgage)
$2,967
Housing Types
The current median sale price in West Islip, NY is $732,500 according to Redfin data. Homes spend a median of 28 days on the market. 50.0% of homes sold above asking price. The market has 1.3 months of supply. The median price per square foot is $389. The median rent is $2,613 per month (Census ACS). About 95.8% of housing units are owner-occupied. The median year homes were built is 1960. There are 8,650 total housing units.