Suffolk County, Babylon Town and Southampton Town property records for 56 addresses on William St, Copiague, NY · Last verified August 2026
| Properties | 56 |
|---|---|
| Median Sale Price | $480,000 |
| Deeds and Mortgages on File | 51 |
| Median Price per Sqft | $296 |
| Owner Occupied | 84% |
| Median Annual Tax Bill | $10,087 |
| Median Year Built | 1950 |
| Median Ownership Tenure | 10 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 ba · 1,456 sqft · 0.242 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $385,000May 2021 | $8,4842024 | Amount on Record Jan 2016 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1.5 ba · 1,510 sqft · 0.242 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Aug 2025 | $11,5382024 | Amount on Record Mar 2006 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,660 sqft · 0.177 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,5832024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,456 sqft · 0.148 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Dec 2019 | $11,1872024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,619 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $281,000Jul 2010 | $9,1062024 | Amount on Record Oct 1993 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,601 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000May 2014 | $9,4062024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,932 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Nov 2018 | $10,7212024 | Amount on Record Jul 2004 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1 ba · 1,456 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,2882024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 bd · 1 ba · 2,054 sqft · 0.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $201,000Oct 2024 | $2,3852024 | Amount on Record Oct 2024 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 2,093 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Aug 2014 | $10,5152024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 820 sqft · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $39,500Oct 2000 | $5,9462024 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,464 sqft · 0.344 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Jul 2001 | $7,8972024 | 2 Names on Record | AssessorUpdated Aug 2026 |
2 ba · 2,026 sqft · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Jun 2018 | $11,5022024 | Amount on Record Oct 2003 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 1,960 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $243,000Jul 2002 | $18,4492024 | Amount on Record Jan 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,470 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Oct 2025 | $9,8862024 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
1 ba · 1,662 sqft · 0.217 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $248,000Dec 2015 | $10,1992024 | Amount on Record Jul 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,610 sqft · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $439,438Sep 2023 | $11,5692024 | Amount on Record Jun 2000 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.217 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Jan 2023 | $8,7782024 | Amount on Record Feb 2022 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,960 sqft · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,9882024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 ba · 2,574 sqft · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,2982024 | 1 Name on Record | AssessorUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $361,500Jun 2019 | $8,7842024 | Amount on Record Feb 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,344 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Aug 2017 | $4,7072024 | Amount on Record Sep 2001 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.201 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $369,500Oct 2020 | $9,7192024 | Amount on Record Jan 2020 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 ba · 1,981 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,7462024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,456 sqft · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $217,300Mar 2002 | $8,7732024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,585 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,8562024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $270,000Jan 2016 | $10,2352024 | Amount on Record Jul 2015 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 ba · 1,820 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $104,000Mar 1996 | $10,2942024 | Amount on Record — | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,392 sqft · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $178,000Feb 2018 | $10,3542024 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 ba · 1,456 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $194,990Jun 2013 | $10,0392024 | Amount on Record Jul 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,470 sqft · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $125,000Mar 1997 | $6,2832024 | Amount on Record Jul 1995 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,470 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Jun 2003 | $8,3712024 | Amount on Record Jul 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,666 sqft · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $417,500Mar 2019 | $12,4582024 | Amount on Record Jun 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 1,365 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Oct 2015 | $8,9512024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $218,000Dec 2002 | $8,4712024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,1692024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
1.5 ba · 1,534 sqft · 0.139 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Oct 2020 | $12,5582024 | Amount on Record Oct 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
1 ba · 1,344 sqft · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,3162024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,596 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $255,000Apr 2016 | $9,3382024 | Amount on Record Jan 2012 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,414 sqft · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,0852024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 2,028 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,1872024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 ba · 1,597 sqft · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Oct 2017 | $11,7552024 | Amount on Record Jun 2014 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1 ba · 1,702 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,9172024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
3 ba · 2,266 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,000Mar 1999 | $13,2932024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
2.5 ba · 1,776 sqft · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Aug 2025 | $5,6812024 | Amount on Record Feb 1997 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,662 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Aug 2000 | $3,5622024 | Amount on Record Nov 1997 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
2 ba · 1,593 sqft · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Oct 2014 | $10,7092024 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 1,666 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000May 2017 | $10,0872024 | Amount on Record Mar 2010 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
2 ba · 1,593 sqft · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $327,000May 2005 | $9,7842024 | Amount on Record Oct 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,890 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,9402024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2.5 ba · 1,772 sqft · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $422,500Feb 2019 | $12,7922024 | Amount on Record Jul 2017 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 1,809 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Sep 2001 | $10,4542024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,736 sqft · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000Mar 2002 | $10,2562024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 1,666 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,4082024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
1 ba · 1,652 sqft · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $490,000Feb 2024 | $10,1872024 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,764 sqft · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $480,000Feb 2023 | $10,1872024 | Amount on Record Nov 2013 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated 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 at the 6th percentile of exposed land nationally · 15th in New York |
|---|---|
| Wildfire Likelihood | Low — less than 1 in 10,000 per year |
| Exposure | Indirect 0 of 9 cells directly exposed · 4 adjoin burnable vegetation |