Nassau County and Oyster Bay Town property records for 3 addresses on William Ave, Glen Head, NY · Last verified June 2026
| Properties | 3 |
|---|---|
| Latest Sale | $690,000 (Dec 2020) |
| Deeds and Mortgages on File | 2 |
| Average Living Area | 1,934 sq ft |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $12,999 |
| Median Year Built | 1954 |
| Average Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1.5 ba · 1,458 sqft · 0.257 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Mar 1997 | $12,9992025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,327 sqft · 0.224 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,2762025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 ba · 2,019 sqft · 0.205 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $690,000Dec 2020 | $2,6502025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |