Market Overview
Home Prices in Islandia, NY
The median home value in Islandia, NY is $643,245 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 8.7% compared to a year ago and up 9.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Islandia are priced57% above average. Islandia is part of the New York-Newark-Jersey City, NY-NJ-PA metro area.
Over the past five years, Islandia home values have risen by approximately54.7%, reflecting strong long-term appreciation in this market.
Price History
Islandia Home Price Trend
City Comparison
Islandia vs. National Median
At $643,245, homes in Islandia cost 57% above the national median of $410,000. Buyers in Islandia should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Islandia?
20% Down Payment
$128,649
on $643,245
Monthly P&I
$3,355/mo
30-yr @ 6.8%
Total Monthly Est.
~$4,261/mo
incl. taxes & insurance
Income Needed
$170,440
gross annual (30% rule)
10% Down Option
$64,325
+ PMI applies
Loan Amount (20% dn)
$514,596
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 Islandia, NY?
The median home value in Islandia is $643,245 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 8.7% year-over-year.
How much have home prices changed in Islandia?
Over the past year, home values in Islandia have increased by 8.7%. Over five years, prices have risen approximately 54.7%.
How much do I need to earn to buy a home in Islandia?
To comfortably afford the median home price of $643,245 with a 20% down payment ($128,649) at today's rates (6.8%), you'd need a gross annual income of approximately $170,440. This assumes keeping total housing costs at or below 30% of gross income.
How does Islandia compare to the national average home price?
The national median home value is approximately $410,000. At $643,245, homes in Islandia are 57% above the national average.
What metro area is Islandia part of?
Islandia 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.