Dowsing Ave, Bay Shore, NY Property Records

Suffolk County and Islip Town property records for 12 addresses on Dowsing Ave, Bay Shore, NY · Last verified August 2026

Dowsing Ave Highlights

Properties 12
Median Sale Price $285,000
Deeds and Mortgages on File 19
Median Price per Sqft $139
Owner Occupied 67%
Median Annual Tax Bill $11,989
Median Year Built 1950
Median Ownership Tenure 9 years

Properties on Dowsing Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

5 Dowsing Ave

0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 2017 Amount on Record Feb 2006 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

18 Dowsing Ave

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$285,000Mar 2017 $10,4852024 Amount on Record Dec 2001 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

20 Dowsing Ave

1,418 sqft · built 1949 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Sep 2024 Amount on Record Sep 2023 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

21 Dowsing Ave

1,282 sqft · built 1955 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

23 Dowsing Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Apr 2001 $9,8272024 —Jul 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

24 Dowsing Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$239,700Nov 2001 Amount on Record Sep 1999 Owner on Record Owner Occupied AssessorUpdated Jul 2026

26 Dowsing Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

27 Dowsing Ave

1,751 sqft · built 1930 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$559,000Sep 2023 Amount on Record Feb 2022 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

27A Dowsing Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Aug 2026

28 Dowsing Ave

2,500 sqft · built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,001Apr 2019 $13,5222024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

29 Dowsing Ave

2,744 sqft · built 1950 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$259,900Jun 2017 $13,1922024 Amount on Record Oct 2016 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

30 Dowsing Ave

1,832 sqft · built 1965 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,000Sep 2019 $11,9892024 Amount on Record Apr 2019 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

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