Suffolk County, Islip Town, Southampton Town and Babylon Town property records for 56 addresses on S Bay Ave, Islip, NY · Last verified August 2026
| Properties | 56 |
|---|---|
| Median Sale Price | $1,055,000 |
| Deeds and Mortgages on File | 52 |
| Median Price per Sqft | $374 |
| Owner Occupied | 71% |
| Median Annual Tax Bill | $16,009 |
| Median Year Built | 1970 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
24 sqft · 0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $640,000Oct 2019 | Amount on Record Oct 2010 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3,264 sqft · built 2013 · 1.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $145,000Apr 2001 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
5 bd · 3,440 sqft · built 2022 · 1.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $412,500Jun 2018 | Amount on Record Jun 1999 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1.68 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Sep 2011 | Amount on Record Apr 1999 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $526,596Jun 2014 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 1 ba · 2,315 sqft · built 1989 · 2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 3 ba · 2,932 sqft · built 2006 · 1.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Aug 2019 | Amount on Record Feb 2014 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1 ba · 838 sqft · built 1950 · 0.144 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $265,000Dec 2001 | $6,9322024 | Amount on Record Aug 1997 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $591,500Nov 2014 | $16,0092024 | Amount on Record Mar 2000 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000Aug 2005 | $17,1202024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.75 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,125,000May 2025 | Amount on Record Dec 2000 | 1 Name on Record | AssessorUpdated Aug 2026 |
5 bd · 2.5 ba · 3,925 sqft · built 2011 · 1.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,560,000Sep 2025 | $23,8642024 | Amount on Record Oct 2016 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,3172024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 4.5 ba · 3,791 sqft · built 2003 · 2.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Nov 2012 | Amount on Record May 2006 | 2 Names on Record | AssessorUpdated Jul 2026 |
4 bd · 2.5 ba · 4,756 sqft · built 2002 · 1.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $990,000Nov 2003 | $31,0152022 | Amount on Record May 1998 | 1 Name on Record | AssessorUpdated May 2026 |
1.63 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $900,000Apr 2006 | $14,6542022 | —Feb 2006 | 1 Name on Record | AssessorUpdated May 2026 |
3,069 sqft · built 1800 · 1.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Nov 2022 | Amount on Record Aug 2016 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated May 2026 |
2,705 sqft · built 1915 · 0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Dec 2020 | $16,8652024 | Amount on Record Aug 2005 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,900,000Jan 2024 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $335,000Aug 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $97,500Nov 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $545,000Jul 2014 | $18,9852024 | Amount on Record Jun 2006 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,562 sqft · built 1950 · 0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000May 2002 | $18,4002024 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.76 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Jul 1996 | Amount on Record Jun 1995 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.639 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,484 sqft · built 1949 · 0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | Assessor + 1 DocumentUpdated May 2026 |
1,242 sqft · built 1957 · 0.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Dec 2020 | $14,2152024 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.61 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Dec 2013 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Apr 2012 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Feb 1998 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Aug 2025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.419 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,055,000Jul 2025 | Amount on Record May 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1,888 sqft · built 1877 · 0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $615,000Jul 2021 | Amount on Record Sep 2013 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated May 2026 |
0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $615,000Apr 2006 | $13,2822024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2,058 sqft · built 1915 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $739,000Aug 2022 | $15,8512024 | Amount on Record May 1994 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Jan 2001 | $13,0932024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
972 sqft · built 1932 · 0.219 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,6602024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $621,000Jan 2008 | $18,0542024 | Amount on Record Aug 1993 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.48 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2,816 sqft · built 2014 · 0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Jan 2022 | $22,9312024 | Amount on Record Nov 2014 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
1,707 sqft · built 1973 · 0.45 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Aug 2018 | $15,9622024 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.53 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Apr 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3,328 sqft · built 1970 · 0.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Oct 2017 | $19,7842024 | Amount on Record Nov 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
69.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,000,000Jul 2004 | 1 Name on Record | AssessorUpdated Aug 2026 |
5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank above 8% of the US · above 19% of New York |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct 5 of 14 cells directly exposed · 10 adjoin burnable vegetation |