Suffolk County and Islip Town property records for 19 addresses on Bonaparte Ave, Islip, NY · Last verified October 2026
| Properties | 19 |
|---|---|
| Median Sale Price | $560,000 |
| Deeds and Mortgages on File | 16 |
| Median Price per Sqft | $427 |
| Owner Occupied | 74% |
| Median Annual Tax Bill | $11,646 |
| Median Year Built | 1961 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
68 Bonaparte Ave |
0.2 acres | $710,000 May 2025 | $11,572 2024 | Assessor Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
69 Bonaparte Ave |
0.18 acres | $550,000 Mar 2023 | $12,511 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
72 Bonaparte Ave |
0.169 acres | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
73 Bonaparte Ave |
2,439 sqft built 1967 · 0.18 acres | $512,500 Aug 2023 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
76 Bonaparte Ave |
0.169 acres | $363,000 Jan 2006 | $11,646 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
77 Bonaparte Ave |
1,424 sqft built 1968 · 0.169 acres | $153,000 Mar 1999 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
80 Bonaparte Ave |
0.169 acres | $132,000 Nov 1996 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
81 Bonaparte Ave |
0.169 acres | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
85 Bonaparte Ave |
0.2 acres | $205,000 Aug 2000 | $11,142 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
86 Bonaparte Ave |
1,314 sqft built 1965 · 0.2 acres | $635,000 Sep 2024 | $11,604 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
91 Bonaparte Ave |
0.28 acres | $380,000 Aug 2009 | $12,306 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
92 Bonaparte Ave |
1,333 sqft built 1960 · 0.23 acres | $570,000 Sep 2024 | $11,384 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
97 Bonaparte Ave |
1,118 sqft built 1961 · 0.11 acres | $319,990 Jul 2004 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
98 Bonaparte Ave |
0.23 acres | $560,000 Feb 2024 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
118 Bonaparte Ave |
1,226 sqft built 1927 · 0.23 acres | $525,000 Sep 2021 | $11,226 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
119 Bonaparte Ave |
0.23 acres | $114,500 Sep 1995 | $13,303 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
126 Bonaparte Ave |
0.23 acres | $123,000 May 2006 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
129 Bonaparte Ave |
1,572 sqft built 1940 · 0.23 acres | $445,000 Oct 2020 | $12,642 2024 | Assessor + 3 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
132 Bonaparte Ave |
0.169 acres | $100,000 Apr 2015 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |