Suffolk County and Riverhead Town property records for 10 addresses on Grassy Knoll, Wading River, NY · Last verified October 2026
| Properties | 10 |
|---|---|
| Median Sale Price | $465,000 |
| Deeds and Mortgages on File | 20 |
| Median Price per Sqft | $156 |
| Owner Occupied | 90% |
| Median Annual Tax Bill | $18,308 |
| Median Year Built | 2002 |
| Median Ownership Tenure | 23 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 3.5 ba · 3,152 sqft · built 2002 · 0.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Sep 2019 | $18,4532024 | Amount on Record Aug 2002 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,335 sqft · built 2002 · 0.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Aug 2002 | $16,3522024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,330 sqft · built 2002 · 0.589 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $353,200Oct 2002 | $17,1352024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,580 sqft · built 2003 · 0.539 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $465,000Dec 2017 | $18,6952024 | Amount on Record — | Owner on Record | Assessor + 5 DocumentsUpdated Oct 2026 |
4 bd · 2.5 ba · 2,289 sqft · built 2002 · 0.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $570,000Nov 2017 | $18,5742024 | Amount on Record Nov 2002 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,530 sqft · built 2002 · 0.55 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,300Nov 2002 | $18,3082024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
4 bd · 2.5 ba · 2,242 sqft · built 2001 · 0.61 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $335,825Jul 2002 | $16,0642024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
4 bd · 2.5 ba · 2,513 sqft · built 2001 · 0.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $381,500Jun 2002 | $17,2872024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
5 bd · 2.5 ba · 3,430 sqft · built 2003 · 0.769 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $489,300Mar 2004 | $20,4332024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | AssessorUpdated Aug 2026 |
4 bd · 2.5 ba · 2,530 sqft · built 2000 · 0.6 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,595Mar 2003 | $17,1862024 | Amount on Record Jul 2001 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |