Nassau County and Hempstead Town property records for 51 addresses on William St, Valley Stream, NY · Last verified August 2026
| Properties | 51 |
|---|---|
| Median Sale Price | $595,000 |
| Deeds and Mortgages on File | 53 |
| Median Price per Sqft | $410 |
| Owner Occupied | 98% |
| Median Annual Tax Bill | $10,019 |
| Median Year Built | 1941 |
| Median Ownership Tenure | 18 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 ba · 1,243 sqft · 0.14 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Aug 1998 | $9,6822025 | Amount on Record Jun 1997 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,788 sqft · 0.176 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Jul 1995 | $13,0442025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 ba · 1,204 sqft · 0.106 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,0192025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,210 sqft · 0.092 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Dec 1997 | $9,9932025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,204 sqft · 0.107 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $459,900May 2023 | $11,7392025 | Amount on Record Oct 2022 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,210 sqft · 0.092 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,8342025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,204 sqft · 0.111 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,0702025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 ba · 1,210 sqft · 0.092 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Jun 2004 | $10,8082025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,177 sqft · 0.12 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $537,000Jan 2023 | $9,4122025 | Amount on Record Feb 2020 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
3 ba · 1,210 sqft · 0.099 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000May 2019 | $11,0412025 | Amount on Record Aug 1995 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,124 sqft · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $457,500Nov 2019 | $11,1962025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1 ba · 1,373 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $187,000Nov 1998 | $11,9202025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 2,103 sqft · 0.153 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Nov 2000 | $14,0402025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,569 sqft · 0.123 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $449,000Aug 2006 | $10,9752025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,533 sqft · 0.152 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $629,000Apr 2023 | $11,7132025 | Amount on Record Jul 2003 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,891 sqft · 0.123 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,3632025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,560 sqft · 0.151 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $174,000Aug 1998 | $10,3292025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,756 sqft · 0.123 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $555,000Jun 2019 | $12,3592025 | Amount on Record Aug 2005 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,522 sqft · 0.147 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $418,700Oct 2012 | $11,5582025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,668 sqft · 0.123 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,4422025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,948 sqft · 0.125 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Jun 2024 | $12,4632025 | 2 Names on Record | Assessor + 4 DocumentsUpdated Jun 2026 |
2 ba · 1,569 sqft · 0.123 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $460,000Apr 2018 | $11,9722025 | Amount on Record Apr 1998 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1 ba · 1,296 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Nov 1995 | $11,1702025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,296 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $218,875Sep 2007 | $10,0442025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,389 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $212,000Jun 2000 | $11,7652025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,296 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 1996 | $10,2002025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,230 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000May 2001 | $8,3912025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 827 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Apr 2000 | $6,4422025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2.5 ba · 2,200 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Dec 2019 | $9,5752025 | Amount on Record Jul 2018 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1 ba · 1,359 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,1182025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,205 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $245,000Jun 1994 | $10,7482025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,248 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $448,000Sep 2006 | $8,2862025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1.5 ba · 1,449 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $409,000Apr 2016 | $9,7432025 | Amount on Record Nov 2004 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2.5 ba · 1,399 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $303,850Oct 2002 | $9,2712025 | Amount on Record Dec 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,086 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $515,000Jan 2021 | $8,6742025 | Amount on Record Feb 2011 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
1.5 ba · 948 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Sep 2021 | $7,4592025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,856 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $539,000May 2019 | $11,2722025 | Amount on Record Nov 2014 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,637 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Jul 2021 | $9,5122025 | —Nov 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,710 sqft · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,9152025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,186 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $268,000Oct 2003 | $8,1392025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 831 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $311,000Mar 2005 | $7,3432025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,604 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $340,000Sep 2011 | $9,0612025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,050 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Oct 2016 | $8,2762025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,125 sqft · 0.091 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2006 | $2,7112025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,244 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $230,000Sep 1999 | $6,2862025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,881 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $655,000Jun 2021 | $11,6282025 | —Dec 2002 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 ba · 2,445 sqft · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $774,500Oct 2019 | $11,9432025 | Amount on Record Jan 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,176 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $415,000Jul 2017 | $9,0722025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
2 ba · 1,414 sqft · 0.151 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Jul 1999 | $9,3752025 | —Jul 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,608 sqft · 0.091 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $620,000Oct 2022 | $9,3442025 | —Jun 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,075 sqft · 0.121 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $275,000Apr 2008 | $8,2762025 | —Mar 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |