Suffolk County and Islip Town property records for 56 addresses on Church Ave, Islip, NY · Last verified August 2026
| Properties | 56 |
|---|---|
| Median Sale Price | $645,000 |
| Deeds and Mortgages on File | 60 |
| Median Price per Sqft | $440 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $11,771 |
| Median Year Built | 1942 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,000Oct 2023 | Amount on Record Aug 2008 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,085 sqft · built 1938 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Jan 2017 | $10,3452024 | Amount on Record Aug 2005 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Dec 2016 | $12,7992024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,092 sqft · built 1950 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000May 2022 | $14,9812024 | Amount on Record Jan 2021 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2,377 sqft · built 1942 · 0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $37,500Apr 2026 | $18,0852024 | Amount on Record Nov 2025 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $310,000Jul 2002 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,232 sqft · built 1912 · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Sep 2018 | Amount on Record Dec 2007 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $698,000Oct 2025 | Amount on Record Oct 1997 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,062 sqft · built 1950 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $343,000Oct 2017 | $9,1502024 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Apr 2012 | $11,1422024 | Amount on Record Apr 2000 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Sep 2022 | Amount on Record Jan 2005 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,7082024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $230,000Oct 1998 | $14,4042024 | Amount on Record Aug 1995 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,3782024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,866 sqft · built 1901 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $735,000Dec 2025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000May 2008 | $13,1872024 | Amount on Record Feb 1994 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $560,000Dec 2009 | $14,5092024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $136,000Jan 1996 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $185,000Jul 1997 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $155,000May 2000 | $10,3852024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $180,000Dec 1999 | $9,8292024 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $60,000Sep 1994 | —Jan 1994 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
1,512 sqft · built 1948 · 0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $775,000Jan 2026 | Amount on Record Jul 2012 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $320,000Aug 2002 | $15,5472024 | —Mar 1994 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Feb 1994 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
1,464 sqft · built 1953 · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Jan 2023 | $12,6112024 | Amount on Record Jun 2018 | Owner on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000Jan 2026 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Dec 2009 | $10,3872024 | Amount on Record May 2004 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $143,000Aug 1995 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,800Jun 2013 | $8,9242024 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2,691 sqft · built 1927 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Jun 2013 | $16,7242024 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Aug 2002 | $12,7472024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,9642024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $308,000Oct 2012 | $8,8142024 | Amount on Record Oct 1993 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $630,000Jan 2023 | $13,9012024 | Amount on Record Dec 2015 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,5762024 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Mar 2025 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Sep 2023 | 2 Owners on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $125,000Mar 1997 | $10,3852024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,6252024 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Oct 2004 | $11,7712024 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |