Suffolk County and Huntington Town property records for 52 addresses on Waterside Ave, Northport, NY · Last verified October 2026
| Properties | 52 |
|---|---|
| Median Sale Price | $610,000 |
| Deeds and Mortgages on File | 56 |
| Owner Occupied | 87% |
| Median Annual Tax Bill | $10,546 |
| Median Ownership Tenure | 16 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
19 Waterside Ave |
0.2 acres | — Jan 1998 | $11,654 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
21 Waterside Ave |
0.25 acres | $175,000 Jan 1994 | $11,151 2024 | Assessor + 4 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
23 Waterside Ave |
0.3 acres | $11,233 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
25 Waterside Ave |
0.33 acres | $200,000 Jun 1997 | $11,615 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
27 Waterside Ave |
0.139 acres | $685,000 Dec 2024 | $12,294 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Waterside Ave |
0.369 acres | $342,000 Oct 2014 | $10,480 2024 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
37 Waterside Ave |
0.33 acres | $9,996 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
39 Waterside Ave |
0.33 acres | $14,084 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
47 Waterside Ave |
0.2 acres | $9,839 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
51 Waterside Ave |
0.639 acres | $10,546 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
53 Waterside Ave |
0.319 acres | $352,000 Sep 2009 | $6,671 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Waterside Ave |
0.53 acres | $7,523 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Waterside Ave |
0.25 acres | $429,000 Dec 2017 | $7,471 2024 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
61 Waterside Ave |
1 acre | $15,501 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
69 Waterside Ave |
0.439 acres | $380,000 Apr 2017 | $7,976 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
71 Waterside Ave |
0.41 acres | $6,734 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
73 Waterside Ave |
0.119 acres | $115,000 Apr 1996 | $9,123 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
75 Waterside Ave |
0.119 acres | $515,000 Jan 2021 | $9,367 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
77 Waterside Ave |
0.16 acres | $512,000 Sep 2021 | $12,775 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
79 Waterside Ave |
0.21 acres | $325,000 Feb 2020 | $8,091 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
81 Waterside Ave |
0.189 acres | $12,339 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
84-86 Waterside Ave |
0.3 acres | $675,000 Sep 2019 | $18,068 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
93 Waterside Ave |
0.189 acres | $325,000 Sep 2015 | $6,150 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
95 Waterside Ave |
0.189 acres | $395,000 Apr 2004 | $10,133 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
97 Waterside Ave |
0.219 acres | $444,500 Dec 2005 | $12,101 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
99 Waterside Ave |
0.189 acres | $205,000 Jan 1999 | $10,653 2024 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
103 Waterside Ave |
0.15 acres | $100,000 Dec 2017 | $9,937 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
105 Waterside Ave |
0.239 acres | $8,382 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
107 Waterside Ave |
0.239 acres | $203,000 Apr 2000 | $9,339 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
109 Waterside Ave |
0.25 acres | $450,000 Apr 2010 | $9,339 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
111 Waterside Ave |
0.16 acres | $432,000 Dec 2010 | $7,845 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
113 Waterside Ave |
0.13 acres | $385,000 Jun 2006 | $9,090 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
115 Waterside Ave |
0.33 acres | $610,000 Jan 2020 | $14,791 2024 | Assessor + 5 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
117 Waterside Ave |
0.18 acres | $472,000 Apr 2005 | $5,904 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
121 Waterside Ave |
0.219 acres | $455,000 Sep 2015 | $7,363 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
123 Waterside Ave |
0.23 acres | $9,852 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
127 Waterside Ave |
0.23 acres | $885,000 Jun 2026 | $12,531 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
131 Waterside Ave |
0.139 acres | $742,000 Mar 2025 | $13,028 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
133 Waterside Ave |
0.139 acres | $555,000 Sep 2004 | $12,310 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
135 Waterside Ave |
0.15 acres | $11,251 2024 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
137 Waterside Ave |
0.16 acres | $400,000 Mar 2025 | $11,378 2024 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
139 Waterside Ave |
0.16 acres | $154,000 Jan 1999 | $10,629 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
141 Waterside Ave |
0.3 acres | $255,000 Jul 2001 | $9,668 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
143 Waterside Ave |
0.3 acres | $390,000 Jun 2003 | $9,952 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
147 Waterside Ave |
0.88 acres | $700,000 Aug 2023 | $14,032 2024 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
149 Waterside Ave |
0.25 acres | $288,500 Oct 2011 | $7,730 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
153 Waterside Ave |
0.339 acres | $525,000 Jul 2006 | $12,019 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
159 Waterside Ave |
0.18 acres | $6,058 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
161 Waterside Ave |
0.119 acres | $519,000 Sep 2006 | $12,035 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
173 Waterside Ave |
0.88 acres | $214,500 Oct 1994 | $12,843 2024 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
185 Waterside Ave |
1.1 acres | $233,000 Jul 1994 | $15,080 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
195 Waterside Ave |
1.7 acres | $14,864 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |