Suffolk County and Islip Town property records for 30 addresses on Stellenwerf Ave, Islip Terrace, NY · Last verified October 2026
| Properties | 30 |
|---|---|
| Median Sale Price | $380,000 |
| Deeds and Mortgages on File | 17 |
| Median Price per Sqft | $279 |
| Owner Occupied | 90% |
| Median Annual Tax Bill | $10,987 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Stellenwerf Ave |
0.169 acres | $325,000 Dec 2003 | $11,216 2024 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
61 Stellenwerf Ave |
0.2 acres | $8,619 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
62 Stellenwerf Ave |
0.11 acres | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
63 Stellenwerf Ave |
1,202 sqft built 1954 · 0.169 acres | $10,987 2024 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
64 Stellenwerf Ave |
0.169 acres | $181,000 Aug 2000 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
65 Stellenwerf Ave |
0.169 acres | $250,000 Aug 2015 | $10,121 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
66 Stellenwerf Ave |
0.169 acres | $308,000 Nov 2003 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
67 Stellenwerf Ave |
0.169 acres | $417,000 Mar 2007 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
68 Stellenwerf Ave |
1,200 sqft built 1955 · 0.169 acres | $380,000 May 2020 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
69 Stellenwerf Ave |
0.2 acres | $215,000 Aug 2001 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
70 Stellenwerf Ave |
0.169 acres | $412,000 Aug 2005 | $13,146 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
71 Stellenwerf Ave |
0.23 acres | $152,000 Mar 1999 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
72 Stellenwerf Ave |
0.2 acres | $137,500 Dec 1994 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
76 Stellenwerf Ave |
2,060 sqft built 1955 · 0.169 acres | $575,000 Nov 2021 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
77 Stellenwerf Ave |
0.169 acres | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
78 Stellenwerf Ave |
0.169 acres | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
81 Stellenwerf Ave |
0.169 acres | $265,000 May 2016 | $10,987 2024 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
82 Stellenwerf Ave |
0.169 acres | $520,000 Feb 2026 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
85 Stellenwerf Ave |
0.169 acres | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
86 Stellenwerf Ave |
0.2 acres | $74,000 Dec 1994 | $10,388 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
89 Stellenwerf Ave |
0.2 acres | $330,000 Aug 2014 | $9,326 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
90 Stellenwerf Ave |
0.2 acres | $325,000 Apr 2017 | $11,867 2024 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
92 Stellenwerf Ave |
1,356 sqft built 1955 · 0.169 acres | $375,000 Sep 2019 | $10,618 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
93 Stellenwerf Ave |
1,112 sqft built 1954 · 0.169 acres | $495,000 Jul 2022 | $10,617 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
94 Stellenwerf Ave |
0.169 acres | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
95 Stellenwerf Ave |
1,420 sqft built 1954 · 0.169 acres | $69,000 Sep 2024 | $12,464 2024 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
99 Stellenwerf Ave |
0.169 acres | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
100 Stellenwerf Ave |
0.169 acres | $11,859 2024 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
101 Stellenwerf Ave |
0.2 acres | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
102 Stellenwerf Ave |
0.2 acres | $10,445 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |