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Islip, NY Real Estate & Property Data

Islip Real Estate Market Trends

Last Updated: April 22, 2025

Accurate and comprehensive real estate data is critical for insight into Islip, NY 11751. ATTOM’s Islip real estate data is updated daily, and current market trends show that in Islip, NY a total of 228 residential properties have sold over the past year. With a median home price of $662,500 in Islip and a total of 2 foreclosures. Get detailed property data for Islip, NY instantly. ATTOM is your one-stop-shop for the Islip property reports and real estate data you need in Islip, NY.

Islip Real Estate Market Trends

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Total Residential Properties 4,084

Total Commercial Properties 224

Avg. Home Age (Single Family Home) N/A

Avg. Square Feet (Single Family Home) N/A

Total 2025 Residential Sales (year-to-date) 42

% of Homes Seriously Underwater (Q2 2025) 0.47%

Total 2024 Residential Sales 195

% of Equity Rich Homes (Q2 2025) 48.91%

Effective 2024 Property Tax N/A

Total Foreclosure Filings (year-to-date) 3

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Islip, NY 11751 Real Estate Overview

There were 228 residential properties sold in the past year in Islip, NY 11751. The median home value in Islip, NY 11751 is $659,118. There are a total of 4,084 residential properties in the 11751.

Median Sales Price i

$662,500

(Feb 2025)

+25%

year-over-year

y-o-y

February '25 Feb '25 $662,500
January '25 Jan '25 $620,000
December '24 Dec '24 $572,250
November '24 Nov '24 $607,500
October '24 Oct '24 $650,000
September '24 Sep '24 $630,250
August '24 Aug '24 $600,000
July '24 Jul '24 $580,000
June '24 Jun '24 $560,000
May '24 May '24 $583,500
April '24 Apr '24 $590,000
March '24 Mar '24 $590,000

Median Down Payment i

$32,758

(Feb 2025)

+93.4%

year-over-year

y-o-y

February '25 Feb '25 $32,758
January '25 Jan '25 $132,500
December '24 Dec '24 $86,000
November '24 Nov '24 $92,000
October '24 Oct '24 $129,000
September '24 Sep '24 $142,000
August '24 Aug '24 $88,437
July '24 Jul '24 $43,750
June '24 Jun '24 $101,600
May '24 May '24 $51,300
April '24 Apr '24 $110,000
March '24 Mar '24 $43,375

Number of Homes Sold i

16

(Feb 2025)

+14.3%

year-over-year

y-o-y

February '25 Feb '25 16
January '25 Jan '25 26
December '24 Dec '24 15
November '24 Nov '24 22
October '24 Oct '24 22
September '24 Sep '24 17
August '24 Aug '24 16
July '24 Jul '24 20
June '24 Jun '24 12
May '24 May '24 20
April '24 Apr '24 14
March '24 Mar '24 14

Number of Purchase Loans i

4

(Feb 2025)

-42.9%

year-over-year

y-o-y

February '25 Feb '25 4
January '25 Jan '25 12
December '24 Dec '24 7
November '24 Nov '24 7
October '24 Oct '24 7
September '24 Sep '24 12
August '24 Aug '24 12
July '24 Jul '24 9
June '24 Jun '24 6
May '24 May '24 5
April '24 Apr '24 6
March '24 Mar '24 6

Number of REFI Loans i

10

(Feb 2025)

+66.7%

year-over-year

y-o-y

February '25 Feb '25 10
January '25 Jan '25 11
December '24 Dec '24 9
November '24 Nov '24 10
October '24 Oct '24 13
September '24 Sep '24 16
August '24 Aug '24 10
July '24 Jul '24 12
June '24 Jun '24 9
May '24 May '24 13
April '24 Apr '24 11
March '24 Mar '24 10

Number of HELOC Loans i

2

(Feb 2025)

year-over-year

y-o-y

February '25 Feb '25 2
January '25 Jan '25 6
December '24 Dec '24 2
November '24 Nov '24 3
October '24 Oct '24 4
September '24 Sep '24 2
August '24 Aug '24 3
July '24 Jul '24 2
June '24 Jun '24 1
May '24 May '24 5
April '24 Apr '24 4
March '24 Mar '24 4

Islip, NY 11751 Real Estate Market Overview

Last 30 days

Street
Street
Street

1
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3

Islip, NY 11751 Foreclosure Activity

There were a total of 2 Islip, NY 11751 properties with a foreclosure filing in February 2025.

Total Foreclosure Filings i

2

(Feb 2025)

+100%

year-over-year

y-o-y

February '25 Feb '25 2
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 3
August '24 Aug '24 3
July '24 Jul '24 1
June '24 Jun '24 N/A
May '24 May '24 3
April '24 Apr '24 6
March '24 Mar '24 3

Foreclosure Starts i

2

(Feb 2025)

+100%

year-over-year

y-o-y

February '25 Feb '25 2
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 1
August '24 Aug '24 3
July '24 Jul '24 1
June '24 Jun '24 N/A
May '24 May '24 3
April '24 Apr '24 5
March '24 Mar '24 2

Completed Foreclosures (REOs) i

February '25 Feb '25 N/A
January '25 Jan '25 N/A
December '24 Dec '24 N/A
November '24 Nov '24 N/A
October '24 Oct '24 N/A
September '24 Sep '24 N/A
August '24 Aug '24 N/A
July '24 Jul '24 N/A
June '24 Jun '24 N/A
May '24 May '24 N/A
April '24 Apr '24 N/A
March '24 Mar '24 1

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