Stony Brook, NY Real Estate & Property Data

Stony Brook Real Estate Market Trends
Last Updated: September 06, 2025

Accurate and comprehensive real estate data is critical for insight into Stony Brook, NY 11790. ATTOM’s Stony Brook real estate data is updated daily, and current market trends show that in Stony Brook, NY a total of 289 residential properties have sold over the past year. With a median home price of $770,000 in Stony Brook. Get detailed property data for Stony Brook, NY instantly. ATTOM is your one-stop-shop for the Stony Brook property reports and real estate data you need in Stony Brook, NY.

Stony Brook Real Estate Market Trends
Total Residential Properties 4,911
Total Commercial Properties 217
Avg. Home Age (Single Family Home) 61 Years
Avg. Square Feet (Single Family Home) 2,030
Total 2025 Residential Sales (year-to-date) 108
% of Homes Seriously Underwater (Q3 2025) 0.5%
Total 2024 Residential Sales 295
% of Equity Rich Homes (Q3 2025) 42.91%
Effective 2024 Property Tax N/A
Total Foreclosure Filings (year-to-date) 5
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Stony Brook, NY 11790 Real Estate Overview

There were 289 residential properties sold in the past year in Stony Brook, NY 11790. The median home value in Stony Brook, NY 11790 is $749,250. There are a total of 4,911 residential properties in the 11790.

Median Sales Price i
$770,000
(Jun 2025)
+9.2%
year-over-year
y-o-y
  • June '25 Jun '25 $770,000
  • May '25 May '25 $817,500
  • April '25 Apr '25 $735,000
  • March '25 Mar '25 $640,000
  • February '25 Feb '25 $700,000
  • January '25 Jan '25 $680,000
  • December '24 Dec '24 $682,500
  • November '24 Nov '24 $720,000
  • October '24 Oct '24 $765,000
  • September '24 Sep '24 $730,940
  • August '24 Aug '24 $729,000
  • July '24 Jul '24 $810,000
Median Down Payment i
$238,000
(Jun 2025)
+72.9%
year-over-year
y-o-y
  • June '25 Jun '25 $238,000
  • May '25 May '25 $163,500
  • April '25 Apr '25 $180,000
  • March '25 Mar '25 $187,712
  • February '25 Feb '25 $168,000
  • January '25 Jan '25 $130,000
  • December '24 Dec '24 $189,750
  • November '24 Nov '24 $143,000
  • October '24 Oct '24 $200,000
  • September '24 Sep '24 $210,000
  • August '24 Aug '24 $350,000
  • July '24 Jul '24 $210,000
Number of Homes Sold i
29
(Jun 2025)
year-over-year
y-o-y
  • June '25 Jun '25 29
  • May '25 May '25 14
  • April '25 Apr '25 16
  • March '25 Mar '25 14
  • February '25 Feb '25 17
  • January '25 Jan '25 18
  • December '24 Dec '24 29
  • November '24 Nov '24 24
  • October '24 Oct '24 25
  • September '24 Sep '24 26
  • August '24 Aug '24 28
  • July '24 Jul '24 20
Number of Purchase Loans i
8
(Jun 2025)
-20%
year-over-year
y-o-y
  • June '25 Jun '25 8
  • May '25 May '25 3
  • April '25 Apr '25 5
  • March '25 Mar '25 5
  • February '25 Feb '25 9
  • January '25 Jan '25 7
  • December '24 Dec '24 11
  • November '24 Nov '24 13
  • October '24 Oct '24 11
  • September '24 Sep '24 7
  • August '24 Aug '24 11
  • July '24 Jul '24 8
Number of REFI Loans i
10
(Jun 2025)
+100%
year-over-year
y-o-y
  • June '25 Jun '25 10
  • May '25 May '25 12
  • April '25 Apr '25 5
  • March '25 Mar '25 6
  • February '25 Feb '25 7
  • January '25 Jan '25 8
  • December '24 Dec '24 12
  • November '24 Nov '24 10
  • October '24 Oct '24 7
  • September '24 Sep '24 9
  • August '24 Aug '24 11
  • July '24 Jul '24 2
Number of HELOC Loans i
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 3
  • February '25 Feb '25 5
  • January '25 Jan '25 3
  • December '24 Dec '24 6
  • November '24 Nov '24 5
  • October '24 Oct '24 2
  • September '24 Sep '24 5
  • August '24 Aug '24 5
  • July '24 Jul '24 2

Stony Brook, NY 11790 Foreclosure Activity

Total Foreclosure Filings i
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 N/A
  • March '25 Mar '25 3
  • February '25 Feb '25 N/A
  • January '25 Jan '25 1
  • December '24 Dec '24 N/A
  • November '24 Nov '24 2
  • October '24 Oct '24 N/A
  • September '24 Sep '24 2
  • August '24 Aug '24 1
  • July '24 Jul '24 2
Foreclosure Starts i
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 N/A
  • March '25 Mar '25 3
  • February '25 Feb '25 N/A
  • January '25 Jan '25 N/A
  • December '24 Dec '24 N/A
  • November '24 Nov '24 2
  • October '24 Oct '24 N/A
  • September '24 Sep '24 1
  • August '24 Aug '24 1
  • July '24 Jul '24 2
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