Stay informed with Rocket and Redfin

Understand your market like never before.

Stony Brook Housing Market Report July 2025•Suffolk County, New York

hero building illustration for mobile

Housing Prices in Stony Brook, NY

How much do homes in Stony Brook, NY cost?

Housing Market Conditions

Is Stony Brook, NY a buyer’s or seller’s market?

Housing Market Conditions

This is the supply and demand for houses in an area based on home prices and trends.

Buyer’s Market

A buyer’s market occurs when the number of available properties for sale exceeds the number of buyers looking to purchase. In a buyer’s market, the supply exceeds the demand.

Neutral Market

A neutral market occurs when the number of buyers looking to purchase properties meets the number of available properties for sale. In a balanced market, there are enough homes to meet the demand.

Seller’s Market

A seller’s market occurs when there are more buyers looking to purchase properties than there are available homes on the market. In a seller’s market, the demand exceeds the supply.

Seller'sMarket

Buyer'sMarket

Stony Brook is a Seller's Market

Difference Since July 2024

Since last year, Stony Brook has remained a Seller's Market.

Insight

Stony Brook is a Sellers Housing Market, which means prices tend to be higher and homes sell faster.

Median Sold Price

Median Sold Price
This is the middle price for which all homes in the area were sold. Half of all the homes sold were below this price, and half were above.
$735,500$373/SqFt
+$82,500
+12.6%

Based on all homes sold in the last 12 months

Insight

Homes in Stony Brook have sold for 12.6% more than they did a year ago.

Summary: The median home sold price in Stony Brook was $735,500 in July 2025, up 12.6% from last year, and the median price per square foot was $373.

Median Sold Price By Neighborhoods

Median Sold Price By Neighborhoods
This is the middle price for which all homes in the area were sold compared to surrounding cities. Half of all the homes sold were below this price, and half were above.
CityChange YoY
Saint James
+16.5%
Stony Brook
+12.6%
The Setaukets
+11.4%
Town of Smithtown
+8.8%

Median Sold Price By Bedrooms

Median Sold Price By Bedrooms
This is the middle price for all homes actively listed in an area broken out by the number of bedrooms. Half of the homes are listed below this price, and half are above.
BedsJul 2024Jul 2025Change YoY
1$345K$380.5K
+10.3%
2$454.5K$495K
+8.9%
3$622.5K$729.5K
+17.2%
4$712.5K$765K
+7.4%
5$755K$770.5K
+2.1%

Summary: Stony Brook housing price by bedroom type for July 2025, compared to the previous year. The home price for 1 bedroom homes increased by +10.3%. The home price for 2 bedroom homes increased by +8.9%. The home price for 3 bedroom homes increased by +17.2%. The home price for 4 bedroom homes increased by +7.4%. The home price for 5 bedroom homes increased by +2.1%.

How does Stony Brook, NY compare with other places?

Market comparison tool

Data and numbers shown are subject to change and may vary based on different timeframes.

Stony Brook, NY

Housing supply in Stony Brook, NY

How many homes are available in Stony Brook, NY?

Number of Homes For Sale

Number of Homes For Sale
This is the total number of homes actively listed in an area.
Last Month2 months agoChange MoM
63Last MonthJul 2025
772 months agoJun 2025
-18.2 %
Change MoMJun – Jul

Summary: The Stony Brook real estate market had 63 homes for sale in Jul 2025, a 18.2 % decrease compared to Jun 2025.

Number of Homes Sold

Number of Homes Sold
This is the total number of both homes sold and pending in an area.
Last Month2 months agoChange MoM
18Last MonthJul 2025
172 months agoJun 2025
+5.9 %
Change MoMJun – Jul

Homes For Sale By Bedroom Count

Homes For Sale By Bedroom Count
This is the total number of homes actively listed in an area by number of bedrooms.
BedsJun 2025Jul 2025Change MoM
100
0.0%
21314
+7.7%
31915
-21.1%
43523
-34.3%
51011
+10.0%

Summary: Stony Brook housing inventory by bedroom type for July 2025, compared to the previous month. The inventory for 1 bedroom homes remained the same. The inventory for 2 bedroom homes increased by +7.7%. The inventory for 3 bedroom homes decreased by -21.1%. The inventory for 4 bedroom homes decreased by -34.3%. The inventory for 5 bedroom homes increased by +10.0%.

Asking Price vs. Sold Price

How much do homes in Stony Brook, NY cost?

Asking Price vs. Sold Price

The asking price is how much a home is listed for. The selling price is how much the home actually sold for.

Under Asking

Homes that sold for less than the asking price

At Asking

Homes that sold at their asking price

Over Asking

Homes that sold above the asking price

Over Asking Price10 Homes

At Asking Price2 Homes

Under Asking Price6 Homes

Insight

If you're buying a home in Stony Brook, you could pay more than the asking price. 55.6% of homes here sold above asking price last month.

Summary: A total of 18 homes were sold or pending in Stony Brook in July 2025, up by 5.9% month-over-month. Of the 18 sold homes, 33% were sold under asking, 11% were sold at asking, and and 56% were sold over asking.

Days on Market for Stony Brook, NY

How long does it take to sell a home in Stony Brook, NY?

Breakdown of Home Sale Times

Under 30 Days14 Homes

30 – 90 Days4 Homes

Over 90 Days0 Home

Insight

Many homes in Stony Brook are selling fast, if you're buying plan to act quickly.

Summary: During July 2025, 18 homes were sold in Stony Brook; 78% of homes were sold within 30 days, 22% of homes were sold within 30 to 90 days, and 0% of homes were sold over 90 days.

Average Sale Time

Average Sale Time
This is the average number of days homes take to sell in an area.
This Year1 year agoChange YoY
23 DaysThis YearJul 2025
48 Days1 year agoJul 2024
-50.5 %
Change YoYJul 2024 – Jul 2025

Summary: Homes in Stony Brook had an average listing age of 23 days in Jul 2025, down by 50.5% compared to the previous year.

Connect With An Agent

Local real estate agents are ready to help you find a home here

Sell My Home

Sell your home with an expert or get the job done on your own.

Get Approved

Get a customizable mortgage solution based on today's rates.

Newest Listings in Stony Brook, NY

What homes are available in Stony Brook, NY?

See More Listings

Nearby markets

Popular Cities with Homes for Sale in New York

MLS Disclaimers and Copyright

Based on information from OneKey MLS, and New York State Alliance of MLS for the period 08/01/2023 - 08/01/2025

IDX Listings courtesy of OneKey MLS as distributed by MLS GRID.

All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.

DMCA Notice

IDXThe data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the OneKey™ MLS. Real Estate listings held by brokerage firms other than this broker are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. This information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed.

Information Copyright 2025, OneKey™ MLS. All Rights Reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.

This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 8/1/2025, 4:41:28 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
IDXThe data relating to real estate on this website comes in part from the Internet Data Exchange (IDX) Program of NYSAMLS’s. Real estate listings held by other firms are marked with theListing Broker’s Firm Name. Data provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties that consumers may be interested in purchasing. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither the listing broker(s) nor this firm shall be responsible for any typographical errors, misinformation, misprints, and shall be held totally
harmless.

© 2025 CNYIS, UNYREIS, WNYREIS. All rights reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.

This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 8/1/2025, 5:15:28 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.