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Nassau, NY Real Estate & Property Data

Nassau Real Estate Market Trends

Last Updated: September 06, 2025

Accurate and comprehensive real estate data is critical for insight into Nassau, NY 12123. ATTOM’s Nassau real estate data is updated daily, and current market trends show that in Nassau, NY a total of 79 residential properties have sold over the past year. With a median home price of $495,000 in Nassau. Get detailed property data for Nassau, NY instantly. ATTOM is your one-stop-shop for the Nassau property reports and real estate data you need in Nassau, NY.

Nassau Real Estate Market Trends

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Total Residential Properties 1,976

Total Commercial Properties 109

Avg. Home Age (Single Family Home) 57 Years

Avg. Square Feet (Single Family Home) 1,660

Total 2025 Residential Sales (year-to-date) 30

% of Homes Seriously Underwater (Q3 2025) 0.4%

Total 2024 Residential Sales 98

% of Equity Rich Homes (Q3 2025) 15.18%

Effective 2024 Property Tax 1%

Total Foreclosure Filings (year-to-date) 2

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Nassau, NY 12123 Real Estate Overview

There were 79 residential properties sold in the past year in Nassau, NY 12123. The median home value in Nassau, NY 12123 is $276,922. There are a total of 1,976 residential properties in the 12123.

Median Sales Price i

$495,000

(Jun 2025)

+88.9%

year-over-year

y-o-y

June '25 Jun '25 $495,000
May '25 May '25 $410,000
April '25 Apr '25 $422,200
March '25 Mar '25 $317,000
February '25 Feb '25 $381,500
January '25 Jan '25 N/A
December '24 Dec '24 N/A
November '24 Nov '24 $237,000
October '24 Oct '24 $301,250
September '24 Sep '24 $260,000
August '24 Aug '24 $341,500
July '24 Jul '24 $376,948

Median Down Payment i

$75,000

(Jun 2025)

+50.6%

year-over-year

y-o-y

June '25 Jun '25 $75,000
May '25 May '25 N/A
April '25 Apr '25 $12,666
March '25 Mar '25 $63,400
February '25 Feb '25 $38,000
January '25 Jan '25 N/A
December '24 Dec '24 N/A
November '24 Nov '24 $10,350
October '24 Oct '24 $42,250
September '24 Sep '24 $44,835
August '24 Aug '24 $189,000
July '24 Jul '24 $71,633

Number of Homes Sold i

6

(Jun 2025)

-25%

year-over-year

y-o-y

June '25 Jun '25 6
May '25 May '25 8
April '25 Apr '25 2
March '25 Mar '25 3
February '25 Feb '25 8
January '25 Jan '25 3
December '24 Dec '24 4
November '24 Nov '24 8
October '24 Oct '24 9
September '24 Sep '24 8
August '24 Aug '24 5
July '24 Jul '24 7

Number of Purchase Loans i

2

(Jun 2025)

-71.4%

year-over-year

y-o-y

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

Number of REFI Loans i

3

(Jun 2025)

year-over-year

y-o-y

June '25 Jun '25 3
May '25 May '25 8
April '25 Apr '25 9
March '25 Mar '25 2
February '25 Feb '25 4
January '25 Jan '25 3
December '24 Dec '24 6
November '24 Nov '24 6
October '24 Oct '24 5
September '24 Sep '24 2
August '24 Aug '24 5
July '24 Jul '24 4

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 1
February '25 Feb '25 1
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

Nassau, NY 12123 Real Estate Market Overview

Last 30 days

Street
Street
Street

1
2
3
4

Nassau, NY 12123 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 1
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 2
September '24 Sep '24 1
August '24 Aug '24 2
July '24 Jul '24 N/A

Foreclosure Starts i

June '25 Jun '25 N/A
May '25 May '25 1
April '25 Apr '25 N/A
March '25 Mar '25 1
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 2
September '24 Sep '24 1
August '24 Aug '24 2
July '24 Jul '24 N/A

Completed Foreclosures (REOs) i

June '25 Jun '25 N/A
May '25 May '25 N/A
April '25 Apr '25 N/A
March '25 Mar '25 1
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

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