Rockland County and Orangetown Town property records for 18 addresses on William St, Sparkill, NY · Last verified July 2026
| Properties | 18 |
|---|---|
| Median Sale Price | $420,000 |
| Deeds and Mortgages on File | 18 |
| Median Price per Sqft | $360 |
| Owner Occupied | 61% |
| Median Year Built | 1928 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 1,556 sqft · 0.18 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $417,500Nov 2005 | Amount on Record Sep 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2024 |
3 bd · 3 ba · 2,220 sqft · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $575,000Feb 2018 | —Oct 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Feb 2024 |
3 bd · 2 ba · 1,227 sqft · 0.2 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,000Sep 2014 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jan 2026 |
3 bd · 2 ba · 1,380 sqft · 0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Feb 2024 |
3 bd · 1.5 ba · 1,082 sqft · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2017 | $10,9472024 | Amount on Record May 2011 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 2,119 sqft · 0.2 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Jan 2022 | 1 Name on Record | Assessor + 1 DocumentUpdated Feb 2024 |
2 bd · 1 ba · 804 sqft · 0.389 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $290,000Apr 2016 | Amount on Record May 2010 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2024 |
3 bd · 3 ba · 2,042 sqft · 0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,900Nov 2014 | $13,2972025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,408 sqft · 0.439 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $570,000May 2005 | Amount on Record Sep 1998 | 1 Name on Record | AssessorUpdated Feb 2024 |
3 bd · 1 ba · 836 sqft · 0.319 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Feb 2024 |
3 bd · 1 ba · 1,122 sqft · 0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Jul 2021 | —Mar 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Feb 2024 |
2 bd · 1 ba · 540 sqft · 0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Apr 2021 | —Feb 2020 | 1 Name on Record | Assessor + 5 DocumentsUpdated Feb 2024 |
0.069 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record | AssessorUpdated Feb 2024 |
2 bd · 1 ba · 1,070 sqft · 0.25 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $609,000Jul 2020 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jan 2026 |
3 bd · 1 ba · 1,102 sqft · 0.139 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record | AssessorUpdated Jan 2026 |
0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Feb 2024 |
3 bd · 3 ba · 2,382 sqft · 0.469 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Feb 2024 |
3 bd · 3 ba · 1,801 sqft · 0.639 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 2 Names on Record Owner Occupied | AssessorUpdated Feb 2024 |
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 20th percentile of exposed land nationally · 55th in New York |
|---|---|
| Wildfire Likelihood | Low — about 1 in 10,000 per year |
| Exposure | Direct 2 of 3 cells directly exposed · 3 adjoin burnable vegetation |