Market Overview
Home Prices in Stony Brook, NY
The median home value in Stony Brook, NY is $784,669 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 8.4% compared to a year ago and up 2.1% from two years prior.
Compared to the U.S. national median of $410,000, homes in Stony Brook are priced91% above average. Stony Brook is part of the New York-Newark-Jersey City, NY-NJ-PA metro area.
Over the past five years, Stony Brook home values have risen by approximately32.8%, reflecting strong long-term appreciation in this market.
Price History
Stony Brook Home Price Trend
City Comparison
Stony Brook vs. National Median
At $784,669, homes in Stony Brook cost 91% above the national median of $410,000. Buyers in Stony Brook should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Stony Brook?
20% Down Payment
$156,934
on $784,669
Monthly P&I
$4,092/mo
30-yr @ 6.8%
Total Monthly Est.
~$5,197/mo
incl. taxes & insurance
Income Needed
$207,880
gross annual (30% rule)
10% Down Option
$78,467
+ PMI applies
Loan Amount (20% dn)
$627,735
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 Stony Brook, NY?
The median home value in Stony Brook is $784,669 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 8.4% year-over-year.
How much have home prices changed in Stony Brook?
Over the past year, home values in Stony Brook have increased by 8.4%. Over five years, prices have risen approximately 32.8%.
How much do I need to earn to buy a home in Stony Brook?
To comfortably afford the median home price of $784,669 with a 20% down payment ($156,934) at today's rates (6.8%), you'd need a gross annual income of approximately $207,880. This assumes keeping total housing costs at or below 30% of gross income.
How does Stony Brook compare to the national average home price?
The national median home value is approximately $410,000. At $784,669, homes in Stony Brook are 91% above the national average.
What metro area is Stony Brook part of?
Stony Brook 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.