Market Overview
Home Prices in West Islip, NY
The median home value in West Islip, NY is $760,065 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 2.4% compared to a year ago and up 2.5% from two years prior.
Compared to the U.S. national median of $410,000, homes in West Islip are priced85% above average. West Islip is part of the New York-Newark-Jersey City, NY-NJ-PA metro area.
Over the past five years, West Islip home values have risen by approximately18.3%, reflecting steady appreciation in this market.
Price History
West Islip Home Price Trend
City Comparison
West Islip vs. National Median
At $760,065, homes in West Islip cost 85% above the national median of $410,000. Buyers in West Islip should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in West Islip?
20% Down Payment
$152,013
on $760,065
Monthly P&I
$3,964/mo
30-yr @ 6.8%
Total Monthly Est.
~$5,034/mo
incl. taxes & insurance
Income Needed
$201,360
gross annual (30% rule)
10% Down Option
$76,007
+ PMI applies
Loan Amount (20% dn)
$608,052
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in West Islip, NY?
The median home value in West Islip is $760,065 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 2.4% year-over-year.
How much have home prices changed in West Islip?
Over the past year, home values in West Islip have increased by 2.4%. Over five years, prices have risen approximately 18.3%.
How much do I need to earn to buy a home in West Islip?
To comfortably afford the median home price of $760,065 with a 20% down payment ($152,013) at today's rates (6.8%), you'd need a gross annual income of approximately $201,360. This assumes keeping total housing costs at or below 30% of gross income.
How does West Islip compare to the national average home price?
The national median home value is approximately $410,000. At $760,065, homes in West Islip are 85% above the national average.
What metro area is West Islip part of?
West Islip is part of the New York-Newark-Jersey City, NY-NJ-PA metropolitan area. Home prices and market conditions can vary across the broader metro region.