Nassau County and North Hempstead Town property records for 76 addresses on Cornwell Ave, Williston Park, NY · Last verified July 2026
| Properties | 76 |
|---|---|
| Median Sale Price | $850,000 |
| Deeds and Mortgages on File | 69 |
| Median Price per Sqft | $484 |
| Owner Occupied | 97% |
| Median Annual Tax Bill | $11,272 |
| Median Year Built | 1943 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 ba · 1,295 sqft · 0.142 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,0822025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,075 sqft · 0.133 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $905,000Jan 2026 | $11,2722025 | Amount on Record Jul 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,472 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Dec 2024 | $12,6182025 | Amount on Record Oct 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,178 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,5862025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 792 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $533,000Oct 2019 | $10,2892025 | Amount on Record Jul 2016 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2 ba · 1,322 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $559,000Sep 2018 | $10,5302025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
1.5 ba · 1,948 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,7242025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 2,109 sqft · 0.126 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $588,000Sep 2010 | $13,2782025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,126 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $810,000Nov 2020 | $14,5612025 | Amount on Record Apr 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,599 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $761,500Jul 2020 | $11,7732025 | Amount on Record Jul 2019 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 2,352 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $865,000Feb 2018 | $16,1062025 | Amount on Record Feb 1999 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,313 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $252,000Aug 1996 | $10,4912025 | —May 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,233 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,5482025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,193 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $211,630Mar 1996 | $11,2922025 | —Mar 1996 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,548 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $705,000Mar 2021 | $10,8112025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,229 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $360,000Jan 2009 | $9,2082025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,461 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,5262025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 813 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,3692025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 ba · 2,407 sqft · 0.117 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Nov 2022 | $12,4752025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,232 sqft · 0.117 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $240,000Oct 1999 | $11,3142025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 2,552 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,588,888Dec 2024 | $8,6462025 | Amount on Record Mar 2024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,193 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Sep 2009 | $11,5552025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 ba · 2,057 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,7622025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,290 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Nov 2022 | $15,1032025 | Amount on Record Dec 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,894 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Aug 2012 | $11,5552025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,754 sqft · 0.119 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Sep 2022 | $13,4582025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,646 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $765,000Jul 2019 | $14,5012025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,265 sqft · 0.11 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $292,000Mar 2000 | $10,0902025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,860 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $295,000Mar 2002 | $9,5072025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,908 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $998,000Jan 2024 | $13,0572025 | Amount on Record Dec 2007 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 803 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $200,000Aug 1998 | $9,0472025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,426 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,7712025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,529 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $660,000Dec 2019 | $13,6592025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2.5 ba · 2,420 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $727,000Jan 2004 | $15,1052025 | Amount on Record Jul 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 bd · 2 ba · 1,671 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $545,000Aug 2008 | $11,2142025 | Amount on Record Dec 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,112 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,1332025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 1,908 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $217,000Jun 1997 | $12,7982025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,344 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $457,000Jun 2017 | $11,4322025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,944 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,4652025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,075 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Feb 2011 | $11,3322025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,152 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2022 | $10,0902025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,255 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Sep 2016 | $10,7912025 | Amount on Record Aug 2003 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,408 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2001 | $10,5522025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,344 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000May 2015 | $10,7852025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,235 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $590,000Sep 2016 | $13,5592025 | Amount on Record Sep 2006 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,152 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Feb 1994 | $9,5292025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,152 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2003 | $10,0902025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 3.5 ba · 2,380 sqft · 0.114 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Nov 2009 | $19,4762025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,376 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $257,500Oct 2000 | $10,5722025 | —Jan 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,075 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,5542025 | —Dec 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,075 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Nov 2009 | $9,3682025 | —Jan 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,536 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,7602025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4 ba · 2,452 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $760,000Oct 2013 | $18,5732025 | Amount on Record May 2005 | 2 Names on Record Owner Occupied | Assessor + 6 DocumentsUpdated Jun 2026 |
3 bd · 2 ba · 1,152 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Aug 2018 | $12,6562025 | Amount on Record Sep 2011 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 2,422 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Nov 2008 | $13,3202025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,075 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,6602025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 ba · 1,326 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $441,500Nov 2011 | $11,9962025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,682 sqft · 0.137 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,6622025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,476 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $242,000Feb 1998 | $9,1522025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,846 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Aug 1997 | $11,0732025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,936 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $520,000Dec 2015 | $6,6312025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,494 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Jul 2004 | $10,0702025 | —Mar 2001 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 2,536 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $635,000Nov 2021 | $11,9142025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
5 ba · 2,368 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,450,000Sep 2023 | $18,1722025 | Amount on Record Feb 1997 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,798 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Mar 2010 | $12,0162025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,220 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,9882025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,220 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Oct 2014 | $10,4902025 | Amount on Record Dec 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,658 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $725,000Sep 2018 | $12,1952025 | Amount on Record Jun 2007 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1 ba · 2,162 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $471,000Oct 2002 | $12,3152025 | Amount on Record Jul 2000 | 2 Names on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
1 ba · 1,349 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,5182025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,598 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,5092025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,147 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,000Jun 2010 | $10,9732025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
4.5 ba · 2,766 sqft · 0.114 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $310,000May 2000 | $16,8282025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,533 sqft · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $177,500Feb 2012 | $9,5092025 | —Dec 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,797 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $657,000Sep 2017 | $11,4322025 | Amount on Record Jul 1997 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,618 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $688,000Aug 2022 | $14,2402025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |