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Port Jefferson, NY Real Estate & Property Data

Port Jefferson Real Estate Market Trends

Last Updated: September 27, 2025

Accurate and comprehensive real estate data is critical for insight into Port Jefferson, NY 11777. ATTOM’s Port Jefferson real estate data is updated daily, and current market trends show that in Port Jefferson, NY a total of 165 residential properties have sold over the past year. With a median home price of $605,000 in Port Jefferson. Get detailed property data for Port Jefferson, NY instantly. ATTOM is your one-stop-shop for the Port Jefferson property reports and real estate data you need in Port Jefferson, NY.

Port Jefferson Real Estate Market Trends

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Total Residential Properties 3,010

Total Commercial Properties 310

Avg. Home Age (Single Family Home) 61 Years

Avg. Square Feet (Single Family Home) 2,712

Total 2025 Residential Sales (year-to-date) 85

% of Homes Seriously Underwater (Q3 2025) 0.27%

Total 2024 Residential Sales 167

% of Equity Rich Homes (Q3 2025) 42.29%

Effective 2024 Property Tax N/A

Total Foreclosure Filings (year-to-date) 3

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Port Jefferson, NY 11777 Real Estate Overview

There were 165 residential properties sold in the past year in Port Jefferson, NY 11777. The median home value in Port Jefferson, NY 11777 is $760,600. There are a total of 3,010 residential properties in the 11777.

Median Sales Price i

$605,000

(Jul 2025)

-7.2%

year-over-year

y-o-y

July '25 Jul '25 $605,000
June '25 Jun '25 $760,000
May '25 May '25 $868,200
April '25 Apr '25 N/A
March '25 Mar '25 $710,000
February '25 Feb '25 $662,000
January '25 Jan '25 $867,000
December '24 Dec '24 $788,500
November '24 Nov '24 $733,750
October '24 Oct '24 $530,000
September '24 Sep '24 $712,500
August '24 Aug '24 $617,250

Median Down Payment i

$10,959

(Jul 2025)

-92.1%

year-over-year

y-o-y

July '25 Jul '25 $10,959
June '25 Jun '25 $300,000
May '25 May '25 $212,500
April '25 Apr '25 N/A
March '25 Mar '25 $128,400
February '25 Feb '25 $282,750
January '25 Jan '25 $137,500
December '24 Dec '24 $321,000
November '24 Nov '24 $188,900
October '24 Oct '24 $63,750
September '24 Sep '24 $169,650
August '24 Aug '24 $78,587

Number of Homes Sold i

11

(Jul 2025)

-21.4%

year-over-year

y-o-y

July '25 Jul '25 11
June '25 Jun '25 16
May '25 May '25 8
April '25 Apr '25 9
March '25 Mar '25 12
February '25 Feb '25 15
January '25 Jan '25 14
December '24 Dec '24 16
November '24 Nov '24 18
October '24 Oct '24 8
September '24 Sep '24 10
August '24 Aug '24 14

Number of Purchase Loans i

1

(Jul 2025)

-83.3%

year-over-year

y-o-y

July '25 Jul '25 1
June '25 Jun '25 3
May '25 May '25 2
April '25 Apr '25 N/A
March '25 Mar '25 6
February '25 Feb '25 6
January '25 Jan '25 10
December '24 Dec '24 5
November '24 Nov '24 9
October '24 Oct '24 2
September '24 Sep '24 6
August '24 Aug '24 5

Number of REFI Loans i

10

(Jul 2025)

+100%

year-over-year

y-o-y

July '25 Jul '25 10
June '25 Jun '25 5
May '25 May '25 8
April '25 Apr '25 2
March '25 Mar '25 6
February '25 Feb '25 4
January '25 Jan '25 1
December '24 Dec '24 6
November '24 Nov '24 3
October '24 Oct '24 5
September '24 Sep '24 1
August '24 Aug '24 4

Number of HELOC Loans i

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

Port Jefferson, NY 11777 Real Estate Market Overview

Last 30 days

Street
Street
Street

1
2
3
4
5

Port Jefferson, NY 11777 Foreclosure Activity

Total Foreclosure Filings i

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

Foreclosure Starts i

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

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