Flagg Ave, Montauk, NY Property Records

Suffolk County and East Hampton Town property records for 18 addresses on Flagg Ave, Montauk, NY · Last verified September 2026

Flagg Ave Highlights

Properties 18
Median Sale Price $965,000
Deeds and Mortgages on File 16
Owner Occupied 17%
Median Annual Tax Bill $6,351
Median Ownership Tenure 16 years

Properties on Flagg Ave

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

4 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4582024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

5 Flagg Ave

0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Dec 2001 $8,2682024 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

6 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,2732024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

8 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,395,000May 2019 $6,3512024 Amount on Record May 2013 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

10 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Jan 2001 $7,0952024 Amount on Record Jan 1997 Owner on Record AssessorUpdated Aug 2026

11 Flagg Ave

0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,230,000Nov 2015 $12,2442024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

12 Flagg Ave

0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Sep 2013 $4,4062024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

16 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Dec 2012 $6,2652024 Amount on Record Jul 1997 Owner on Record AssessorUpdated Aug 2026

17 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$156,500Jun 1996 $4,5772024 Owner on Record AssessorUpdated Aug 2026

18 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$965,000Dec 2010 $8,5252024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

19 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Oct 1995 $6,0082024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

20 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$795,000Mar 2006 $5,7792024 Owner on Record AssessorUpdated Aug 2026

21 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,520,000Nov 2025 $5,1492024 Amount on Record Sep 2023 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

22 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,3192024 Owner on Record AssessorUpdated Aug 2026

23 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Apr 2015 Owner on Record AssessorUpdated Sep 2026

26 Flagg Ave

0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,0382024 Owner on Record AssessorUpdated Aug 2026

27 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,7522024 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

29 Flagg Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Mar 2009 Owner on Record AssessorUpdated Sep 2026

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