Market Overview
Home Prices in Islip, NY
The median home value in Islip, NY is $678,648 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 3.8% compared to a year ago and up 1.9% from two years prior.
Compared to the U.S. national median of $410,000, homes in Islip are priced66% above average. Islip is part of the New York-Newark-Jersey City, NY-NJ-PA metro area.
Over the past five years, Islip home values have risen by approximately22.5%, reflecting strong long-term appreciation in this market.
Price History
Islip Home Price Trend
City Comparison
Islip vs. National Median
At $678,648, homes in Islip cost 66% above the national median of $410,000. Buyers in Islip should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Islip?
20% Down Payment
$135,730
on $678,648
Monthly P&I
$3,539/mo
30-yr @ 6.8%
Total Monthly Est.
~$4,495/mo
incl. taxes & insurance
Income Needed
$179,800
gross annual (30% rule)
10% Down Option
$67,865
+ PMI applies
Loan Amount (20% dn)
$542,918
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 Islip, NY?
The median home value in Islip is $678,648 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 3.8% year-over-year.
How much have home prices changed in Islip?
Over the past year, home values in Islip have increased by 3.8%. Over five years, prices have risen approximately 22.5%.
How much do I need to earn to buy a home in Islip?
To comfortably afford the median home price of $678,648 with a 20% down payment ($135,730) at today's rates (6.8%), you'd need a gross annual income of approximately $179,800. This assumes keeping total housing costs at or below 30% of gross income.
How does Islip compare to the national average home price?
The national median home value is approximately $410,000. At $678,648, homes in Islip are 66% above the national average.
What metro area is Islip part of?
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.