Nassau County and Oyster Bay Town property records for 63 addresses on William Rd, Massapequa, NY · Last verified August 2026
| Properties | 63 |
|---|---|
| Median Sale Price | $645,000 |
| Deeds and Mortgages on File | 58 |
| Median Price per Sqft | $371 |
| Owner Occupied | 94% |
| Median Annual Tax Bill | $14,369 |
| Median Year Built | 1953 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 ba · 2,492 sqft · built 1954 · 0.197 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,657 sqft · built 1954 · 0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,3522025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,262 sqft · built 1953 · 0.169 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $362,000Dec 2002 | $14,4982025 | Amount on Record Jan 1998 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 984 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,1862025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,008 sqft · built 1953 · 0.144 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $727,000Aug 2025 | $14,1762025 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1.5 ba · 1,380 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,2762025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,166 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,1442025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,262 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Apr 2011 | $16,5552025 | —Mar 2007 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 4 ba · 2,298 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,999Jul 2013 | $15,3022025 | Amount on Record Jan 2006 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1 ba · 1,250 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,9262025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,052 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000Jan 2021 | $12,8592025 | —Jan 2005 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,232 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,8282025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,052 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Sep 2022 | $12,7232025 | Amount on Record Feb 2019 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 2,147 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,7512025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 2,218 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Dec 2000 | $16,7802025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,167 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,8592025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 984 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000Aug 1995 | $11,9262025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2.5 ba · 2,139 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,1202025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,052 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000May 2011 | $12,8592025 | Amount on Record Jun 2006 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,738 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $645,000Aug 2021 | $16,3302025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2.5 ba · 2,331 sqft · built 1953 · 0.141 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $335,000Dec 2014 | $16,4272025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 984 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $215,000Jun 2006 | $14,1122025 | Amount on Record Aug 2003 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 1 ba · 1,184 sqft · built 1953 · 0.151 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Jun 2016 | $9,2912025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,194 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $153,500Jul 1994 | $13,4692025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 984 sqft · built 1953 · 0.155 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $176,000Nov 1995 | $10,9292025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,380 sqft · built 1953 · 0.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,7952025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,235 sqft · built 1953 · 0.159 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000May 2021 | $14,7232025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
1 ba · 1,124 sqft · built 1953 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,0712025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 984 sqft · built 1953 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $422,000Jul 2017 | $13,5982025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,264 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000May 1999 | $16,3952025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,334 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $141,000Sep 2012 | $12,1192025 | Amount on Record Dec 2007 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,965 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,8222025 | 2 Owners on Record | AssessorUpdated Jun 2026 |
5 bd · 3 ba · 2,944 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Jul 2023 | $23,2422025 | Amount on Record Sep 2006 | Owner on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1.5 ba · 1,725 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,1762025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,725 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,4012025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1.5 ba · 1,144 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $427,000Apr 2011 | $15,2372025 | —Nov 2004 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 1,880 sqft · built 1954 · 0.157 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Aug 2017 | $15,5592025 | Owner on Record | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,074 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $395,000Jun 2009 | $12,5372025 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 1,996 sqft · built 1954 · 0.207 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $495,000Feb 2006 | $15,5262025 | —Nov 2000 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,725 sqft · built 1954 · 0.162 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000May 1999 | $15,1412025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1.5 ba · 1,380 sqft · built 1954 · 0.214 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,4522025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,416 sqft · built 1954 · 0.147 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $425,000May 2009 | $14,4982025 | Amount on Record Apr 2000 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1.5 ba · 1,680 sqft · built 1954 · 0.203 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,6742025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,380 sqft · built 1954 · 0.16 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $210,000May 1997 | $11,8292025 | Amount on Record Jun 1995 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,600 sqft · built 1954 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Jul 2009 | $15,7202025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 ba · 3,012 sqft · built 1954 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,225,000Aug 2022 | $20,6382025 | Amount on Record Jan 2008 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1.5 ba · 1,646 sqft · built 1954 · 0.196 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $605,000Jan 2021 | $14,3692025 | Amount on Record Feb 2014 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2.5 ba · 1,916 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $60,000Sep 2022 | $17,0702025 | Amount on Record Oct 2020 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
3.5 ba · 2,140 sqft · built 1954 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $400,000Jun 2017 | $17,9702025 | —Jun 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 2,006 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $182,500Aug 1996 | $15,5912025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2.5 ba · 1,646 sqft · built 1954 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Oct 2016 | $17,6812025 | —Jun 2013 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,184 sqft · built 1954 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,2522025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
3.5 ba · 2,586 sqft · built 1954 · 0.198 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000May 2018 | $17,6162025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,950 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $337,650Apr 2010 | $16,9412025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,380 sqft · built 1954 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,6622025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 984 sqft · built 1953 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2010 | $8,5572025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,998 sqft · built 1954 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Jun 2017 | $17,0072025 | —Jul 2009 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1.5 ba · 2,322 sqft · built 1954 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $656,000Jun 2022 | $17,8452025 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 1,866 sqft · built 1954 · 0.199 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $15,5912025 | Owner on Record | Assessor + 1 DocumentUpdated Jun 2026 |
2.5 ba · 1,866 sqft · built 1954 · 0.168 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $24,500Aug 2000 | $15,1412025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1.5 ba · 1,656 sqft · built 1954 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,4932025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
2.5 ba · 2,086 sqft · built 1954 · 0.165 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Jan 2020 | $15,3662025 | Owner on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2.5 ba · 2,040 sqft · built 1954 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,2152025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |