Suffolk County, Islip Town and Southampton Town property records for 62 addresses on S Bay Ave, Brightwaters, NY · Last verified October 2026
| Properties | 62 |
|---|---|
| Median Sale Price | $795,000 |
| Deeds and Mortgages on File | 77 |
| Median Price per Sqft | $288 |
| Owner Occupied | 82% |
| Median Annual Tax Bill | $4,746 |
| Median Year Built | 1920 |
| Median Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
6 S Bay Ave |
0.06 acres | $1,973 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10A S Bay Ave |
4 bd · 2,895 sqft built 2024 · 0.689 acres | $1,600,000 May 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
10B S Bay Ave |
4 bd · 2,554 sqft built 2023 · 0.93 acres | $505,000 May 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 S Bay Ave |
0.539 acres | $1,250,000 Feb 2024 | $5,046 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
34 S Bay Ave |
2,886 sqft built 1907 · 0.48 acres | $1,000,000 Jan 2019 | $5,495 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 S Bay Ave |
0.56 acres | $355,000 Sep 1994 | $8,946 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
40 S Bay Ave |
0.43 acres | $450,000 Feb 2002 | $4,653 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
43 S Bay Ave |
0.48 acres | $6,263 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
44 S Bay Ave |
0.46 acres | $1,075,000 Oct 2024 | $6,422 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 S Bay Ave |
0.189 acres | $40,000 Oct 2002 | $4,266 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
48 S Bay Ave |
3,161 sqft built 1952 · 0.339 acres | $300,000 Nov 2020 | $5,482 2024 | Assessor + 6 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 S Bay Ave |
0.189 acres | $645,000 Feb 2013 | $4,659 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 S Bay Ave |
0.369 acres | $835,000 Aug 2015 | $5,545 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 S Bay Ave |
0.239 acres | $420,000 Jul 2011 | $4,746 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
56 S Bay Ave |
0.339 acres | $885,000 May 2011 | $5,651 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 S Bay Ave |
2,178 sqft built 1910 · 0.239 acres | $575,000 Jun 2004 | $3,879 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
59 S Bay Ave |
2,411 sqft built 1927 · 0.16 acres | $480,000 Dec 2017 | $4,247 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
63 S Bay Ave |
3,388 sqft built 1908 · 0.319 acres | $275,000 Mar 1998 | $6,348 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
64 S Bay Ave |
0.239 acres | $650,000 Oct 2013 | $4,484 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
70 S Bay Ave |
0.46 acres | $5,701 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
71 S Bay Ave |
0.319 acres | $750,000 Dec 2012 | $4,937 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
72 S Bay Ave |
0.339 acres | $720,000 Jan 2009 | $5,480 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
73 S Bay Ave |
0.16 acres | $3,370 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
74 S Bay Ave |
0.2 acres | $4,094 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
77 S Bay Ave |
0.319 acres | $206,500 Jan 1998 | $5,749 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
78 S Bay Ave |
1,893 sqft built 1920 · 0.289 acres | $98,750 Jan 2018 | $4,466 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
81 S Bay Ave |
2,614 sqft built 1938 · 0.35 acres | $755,000 May 2021 | $4,890 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
82 S Bay Ave |
0.289 acres | $4,422 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
88 S Bay Ave |
2,716 sqft built 2020 · 0.36 acres | $50,000 Oct 2002 | $6,489 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
89 S Bay Ave |
0.35 acres | $5,108 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
93 S Bay Ave |
0.319 acres | $4,584 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
98 S Bay Ave |
2,739 sqft built 1905 · 0.339 acres | $300,000 May 2019 | $4,622 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
99 S Bay Ave |
0.319 acres | $250,000 Aug 1998 | $4,921 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
102 S Bay Ave |
0.339 acres | $575,000 Aug 2003 | $4,422 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
103 S Bay Ave |
2,374 sqft built 1840 · 0.319 acres | $840,000 Jan 2019 | $4,672 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
106 S Bay Ave |
0.339 acres | $900,000 Aug 2024 | $5,289 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
107 S Bay Ave |
0.16 acres | $4,169 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
109 S Bay Ave |
2,503 sqft built 1920 · 0.16 acres | $610,000 Jul 2021 | $4,335 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
110 S Bay Ave |
0.53 acres | $708,000 May 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
113 S Bay Ave |
0.319 acres | $3,869 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
116 S Bay Ave |
0.339 acres | $855,000 Dec 2025 | $4,985 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
117 S Bay Ave |
0.51 acres | $285,000 Sep 1994 | $5,102 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
118 S Bay Ave |
0.369 acres | $195,000 Jun 1998 | $5,046 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
122 S Bay Ave |
0.339 acres | $475,000 May 2003 | $5,321 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
130 S Bay Ave |
2,494 sqft built 1957 · 0.369 acres | $425,000 Sep 2017 | $5,158 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
133 S Bay Ave |
2,260 sqft built 1917 · 0.269 acres | $835,000 Jul 2023 | $4,044 2024 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
135 S Bay Ave |
0.3 acres | $775,000 Sep 2026 | $3,757 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
138 S Bay Ave |
0.48 acres | $4,828 2024 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139 S Bay Ave |
0.41 acres | $4,578 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
140 S Bay Ave |
0.2 acres | $240,000 Jul 2000 | $4,447 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
144 S Bay Ave |
0.25 acres | $200,000 Jun 1994 | $4,154 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
145 S Bay Ave |
1,837 sqft built 1900 · 0.319 acres | $649,000 Jan 2020 | $4,422 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
147 S Bay Ave |
1,264 sqft built 1900 · 0.16 acres | $795,000 Jul 2023 | $3,355 2024 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
148 S Bay Ave |
0.25 acres | $455,000 Jan 2017 | $4,032 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
150 S Bay Ave |
0.25 acres | $845,000 Dec 2023 | $4,403 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
151 S Bay Ave |
0.35 acres | $685,000 Dec 2008 | $4,942 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
154 S Bay Ave |
0.25 acres | $335,000 May 1998 | $5,046 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
155 S Bay Ave |
3,423 sqft built 1930 · 0.319 acres | $705,000 Feb 2020 | $5,062 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
158 S Bay Ave |
0.25 acres | $4,594 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
159 S Bay Ave |
1,938 sqft built 1932 · 0.219 acres | $465,000 Jan 2018 | $4,010 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
165 S Bay Ave |
0.13 acres | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
167 S Bay Ave |
0.16 acres | $1,766,000 Jul 2008 | $5,098 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File |