Housing in Central Islip, NY
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$537,000
Median List Price
$599,995
Price Per Sq Ft
$348
Days on Market
37
Active Inventory
39
Months of Supply
2.1
Seller's market
Zillow Home Value
$552,880
ZHVI — January 2026
Zillow Rent Index
$2,884
ZORI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
63.2%
Off Market in 2 Weeks
9.1%
Sale-to-List Ratio
102.1%
Seller's market
Market Activity
Source: RedfinHomes Sold
19
New Listings
11
Pending Sales
11
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$348
Median List $/SF
$416
Central Islip vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 25,000 - 50,000 residents. Central 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
$405,000
Median Rent
$2,106
Total Housing Units
10,660
Vacancy Rate
8.9%
Owner Occupied
77.1%
Renter Occupied
22.9%
Median Property Tax
$9,155
per year
Monthly Cost (w/ Mortgage)
$2,525
Housing Types
The current median sale price in Central Islip, NY is $537,000 according to Redfin data. Homes spend a median of 37 days on the market. 63.2% of homes sold above asking price. The market has 2.1 months of supply. The median price per square foot is $348. Zillow's observed rent index is $2,884/month. About 77.1% of housing units are owner-occupied. The median year homes were built is 1969. There are 10,660 total housing units.