Real Estate Data > US real estate data > New York > Nassau County > Bayville

Bayville, NY Real Estate & Property Data

Bayville Real Estate Market Trends

Last Updated: September 06, 2025

Accurate and comprehensive real estate data is critical for insight into Bayville, NY 11709. ATTOM’s Bayville real estate data is updated daily, and current market trends show that in Bayville, NY a total of 34 residential properties have sold over the past year. With a median home price of $696,150 in Bayville. Get detailed property data for Bayville, NY instantly. ATTOM is your one-stop-shop for the Bayville property reports and real estate data you need in Bayville, NY.

Bayville Real Estate Market Trends

Get property data for any address in Bayville, NY or the country:

Total Residential Properties 2,368

Total Commercial Properties 56

Avg. Home Age (Single Family Home) 66 Years

Avg. Square Feet (Single Family Home) 1,906

Total 2025 Residential Sales (year-to-date) 12

% of Homes Seriously Underwater (Q3 2025) 0.23%

Total 2024 Residential Sales 38

% of Equity Rich Homes (Q3 2025) 45.36%

Effective 2024 Property Tax 1.11%

Total Foreclosure Filings (year-to-date) 7

Interested in Purchasing National or Bayville, NY 11709 Property Data?

Bayville, NY 11709 Real Estate Overview

There were 34 residential properties sold in the past year in Bayville, NY 11709. The median home value in Bayville, NY 11709 is $815,830. There are a total of 2,368 residential properties in the 11709.

Median Sales Price i

$696,150

(Jun 2025)

+9.6%

year-over-year

y-o-y

June '25 Jun '25 $696,150
May '25 May '25 N/A
April '25 Apr '25 N/A
March '25 Mar '25 N/A
February '25 Feb '25 $944,500
January '25 Jan '25 N/A
December '24 Dec '24 $1,065,000
November '24 Nov '24 $585,000
October '24 Oct '24 N/A
September '24 Sep '24 $698,000
August '24 Aug '24 $745,000
July '24 Jul '24 $680,000

Median Down Payment i

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 $221,600
January '25 Jan '25 N/A
December '24 Dec '24 $375,000
November '24 Nov '24 $87,750
October '24 Oct '24 N/A
September '24 Sep '24 $500,000
August '24 Aug '24 $101,000
July '24 Jul '24 $204,000

Number of Homes Sold i

3

(Jun 2025)

year-over-year

y-o-y

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

Number of Purchase Loans i

1

(Jun 2025)

-66.7%

year-over-year

y-o-y

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

Number of REFI Loans i

3

(Jun 2025)

+200%

year-over-year

y-o-y

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

Number of HELOC Loans i

3

(Jun 2025)

-40%

year-over-year

y-o-y

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

Bayville, NY 11709 Real Estate Market Overview

Last 30 days

Street
Street
Street

1
2
3
4

Bayville, NY 11709 Foreclosure Activity

Total Foreclosure Filings i

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

Foreclosure Starts i

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

Nearby Cities

Interested in growing your business with Bayville, NY property data?

Contact Us Now!
Call (800) 692-2596 — or fill out this form and we’ll be in touch shortly.