Nassau County and Oyster Bay Town property records for 16 addresses on Williams Ave, Syosset, NY · Last verified July 2026
| Properties | 16 |
|---|---|
| Median Sale Price | $990,000 |
| Deeds and Mortgages on File | 15 |
| Median Price per Sqft | $484 |
| Owner Occupied | 88% |
| Median Annual Tax Bill | $17,222 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
5 ba · 2,786 sqft · built 2016 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,580,000Jul 2025 | $32,5922025 | Amount on Record Sep 2016 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3.5 ba · 2,373 sqft · built 1955 · 0.156 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Dec 2021 | $21,9162025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3.5 ba · 2,802 sqft · built 2020 · 0.156 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,280,000Mar 2022 | $21,6022025 | Amount on Record Apr 2020 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,071 sqft · built 1955 · 0.156 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000May 2004 | $15,9192025 | Amount on Record Aug 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 1.5 ba · 1,384 sqft · built 1955 · 0.156 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Sep 2012 | $18,1452025 | Amount on Record Sep 1995 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,071 sqft · built 1955 · 0.178 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $117,000Oct 2000 | $15,5702025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,071 sqft · built 1955 · 0.212 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Sep 2009 | $15,7902025 | —Jul 2007 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,351 sqft · built 1955 · 0.214 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $820,000Dec 2023 | $17,2222025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,071 sqft · built 1955 · 0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000Aug 1998 | $13,6552025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,071 sqft · built 1955 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Jul 1997 | $12,2772025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3.5 ba · 2,894 sqft · built 2006 · 0.182 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Jul 2005 | $28,4482025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,411 sqft · built 1955 · 0.193 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $625,000Aug 2018 | $14,9142025 | Amount on Record Sep 2004 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
2 ba · 1,071 sqft · built 1955 · 0.188 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Oct 2023 | $15,2912025 | Amount on Record Aug 2001 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1 ba · 1,071 sqft · built 1955 · 0.225 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,2512025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 2,422 sqft · built 1955 · 0.168 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $990,000Jan 2025 | $22,4142025 | —Aug 2023 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2 ba · 1,251 sqft · built 1955 · 0.217 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $379,000Dec 2001 | $17,3642025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not exposed this street's cells rank below 1% of the US · less than 1% of New York |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct 1 of 2 cells directly exposed · 1 adjoin burnable vegetation |