Birch St, Sag Harbor, NY Property Records

Suffolk County, Southampton Town, Islip Town and Babylon Town property records for 25 addresses on Birch St, Sag Harbor, NY · Last verified September 2026

Birch St Highlights

Properties 25
Median Sale Price $470,000
Deeds and Mortgages on File 18
Median Price per Sqft $979
Owner Occupied 40%
Median Annual Tax Bill $3,733
Median Year Built 1992
Median Ownership Tenure 10 years

Properties on Birch St

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

3 Birch St

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$108,900Aug 2010 Amount on Record Feb 2010 2 Owners on Record AssessorUpdated Sep 2026

4 Birch St

940 sqft · built 1950 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000May 2023 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

5 Birch St

1 ba · 1,092 sqft · built 1994 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Jun 2015 $9,7502024 Amount on Record Apr 2006 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

6 Birch St

0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Jan 2024 $3782024 Owner on Record AssessorUpdated Aug 2026

7 Birch St

2 bd · 1 ba · 952 sqft · built 2006 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$652,500Dec 2016 Amount on Record Dec 2015 Owner on Record Owner Occupied AssessorUpdated Aug 2026

8 Birch St

0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$2222024 Owner on Record AssessorUpdated Aug 2026

9 Birch St

880 sqft · built 1952 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Apr 2017 Amount on Record Feb 2015 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

10 Birch St

0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Jan 2024 $2222024 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

11 Birch St

2 bd · 1 ba · 594 sqft · built 1997 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7332024 2 Owners on Record AssessorUpdated Aug 2026

12 Birch St

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,000Feb 2016 Owner on Record AssessorUpdated Aug 2026

14 Birch St

2 bd · 2 ba · 948 sqft · built 1990 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000May 2021 $3,8302024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

16 Birch St

2 bd · 1 ba · 988 sqft · built 1997 · 0.11 acres

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

22 Birch St

2 bd · 1 ba · 915 sqft · built 1997 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Oct 2004 Owner on Record Assessor + 1 DocumentUpdated May 2026

24 Birch St

3 bd · 1 ba · 1,080 sqft · built 1991 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jan 2020 $3,7742024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25 Birch St

4 bd · 2 ba · 1,248 sqft · built 1991 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Jun 2002 $4,3262024 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

29 Birch St

2 bd · 2 ba · 1,248 sqft · built 1997 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,4442024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

30 Birch St

4 bd · 1,390 sqft · built 2022 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Feb 2025 $5,6682024 Amount on Record Jan 2020 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

38 Birch St

2 bd · 1 ba · 768 sqft · built 1992 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$805,000Sep 2021 $4,1432024 Amount on Record Mar 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

39 Birch St

2 bd · 1 ba · 1,087 sqft · built 1981 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Apr 1999 $2,7532020 2 Owners on Record AssessorUpdated Mar 2024

40 Birch St

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Oct 2006 $1,8292020 —Jul 2006 Owner on Record AssessorUpdated Mar 2024

41 Birch St

2 bd · 1 ba · 480 sqft · built 1991 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000Sep 2020 $3,0132020 —Dec 2015 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

43 Birch St

3 bd · 1,543 sqft · built 2012 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500Jun 2010 Amount on Record Mar 2006 Owner on Record Owner Occupied AssessorUpdated Aug 2026

47 Birch St

3 bd · 2 ba · 1,794 sqft · built 1997 · 0.169 acres

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

48 Birch St

2 bd · 1 ba · 763 sqft · built 1987 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$477,000Nov 2016 $3,2142024 Amount on Record Jun 2010 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

49 Birch St

3 bd · 1 ba · 928 sqft · built 1986 · 0.31 acres

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

Property Records in Nearby Streets