Nassau County and Oyster Bay Town property records for 50 addresses on Riverside Ave, Massapequa, NY · Last verified October 2026
| Properties | 50 |
|---|---|
| Median Sale Price | $600,000 |
| Deeds and Mortgages on File | 59 |
| Median Price per Sqft | $350 |
| Owner Occupied | 92% |
| Median Annual Tax Bill | $11,605 |
| Median Year Built | 1949 |
| Median Ownership Tenure | 12 years |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
2 ba · 1,990 sqft · built 1950 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Jul 2023 | $14,2742025 | Amount on Record Apr 2023 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 1,840 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $388,500Mar 2010 | $13,6572025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
1 ba · 1,246 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2014 | $3,4712025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,410 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $445,000Nov 2020 | $11,5672025 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
1 ba · 1,428 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $500,000Aug 2022 | $11,2822025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
2 ba · 1,870 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,7612025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,558 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $462,500Dec 2005 | $11,5482025 | Amount on Record May 1995 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |
2 ba · 1,773 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Jul 2014 | $12,2602025 | Amount on Record Nov 2005 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 2,412 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $815,000May 2024 | $13,6762025 | Amount on Record Aug 2022 | Owner on Record Owner Occupied | Assessor + 8 DocumentsUpdated Oct 2026 |
4 bd · 2.5 ba · 2,180 sqft · built 2017 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,075,000May 2024 | $18,0922025 | Amount on Record Apr 2017 | 2 Owners on Record | Assessor + 4 DocumentsUpdated Oct 2026 |
2 ba · 2,035 sqft · built 1950 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,6022025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,112 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $380,000Nov 2006 | $10,7982025 | Owner on Record | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 1,594 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,5772025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,901 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $162,500Dec 1995 | $14,4832025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,563 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Jul 2024 | $11,8522025 | Amount on Record Feb 2023 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
2 ba · 1,419 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $390,000Oct 2012 | $11,5392025 | Amount on Record Apr 2010 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
1 ba · 1,893 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,9612025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 1,502 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $451,000Sep 2007 | $11,2352025 | Amount on Record Oct 2004 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
1 ba · 1,594 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Jul 2007 | $11,4342025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,112 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,3852025 | Owner on Record | AssessorUpdated Oct 2026 |
2.5 ba · 1,513 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,0352025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,834 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Jul 1998 | $12,4602025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 ba · 1,997 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Oct 2007 | $12,7642025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 2,785 sqft · built 1950 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,6452025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,532 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,2042025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,750 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Jan 2025 | $14,3032025 | Amount on Record Oct 2017 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 ba · 2,458 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $409,000Jul 2005 | $10,2382025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,557 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $730,910Jun 2026 | $11,1102026 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
2 ba · 2,576 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,5042025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,246 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $320,000May 2018 | $10,3422025 | —Feb 2000 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2026 |
1.5 ba · 1,672 sqft · built 1950 · 0.183 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $182,000Jan 1999 | $13,8852025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,120 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Nov 1997 | $4,4542025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,200 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $459,000Mar 2019 | $12,0232025 | Amount on Record Nov 2014 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 1,765 sqft · built 1950 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $129,434May 2015 | $11,9762025 | Owner on Record Owner Occupied | AssessorUpdated Oct 2026 |
1 ba · 1,200 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Sep 2021 | $11,4532025 | —Nov 2004 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
3 ba · 2,286 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $999,000Aug 2026 | $14,3062026 | Amount on Record Jul 2023 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Oct 2026 |
1 ba · 1,430 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,5772025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,120 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Feb 2004 | $8,2662025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,240 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $128,000Oct 1993 | $9,9502025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 1 ba · 1,440 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $435,000Apr 2019 | $11,7952025 | Amount on Record Mar 1996 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
1 ba · 1,200 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $285,000Aug 2002 | $11,6052025 | Amount on Record Jun 1997 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 1,632 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $162,000Jul 1997 | $10,8652025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2 ba · 1,664 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $520,000Jun 2017 | $14,5882025 | Amount on Record Aug 2013 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Oct 2026 |
2 ba · 1,400 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $80,036May 2001 | $7,2512025 | Owner on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,345 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Feb 2023 | $11,5962025 | Amount on Record May 2019 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
2 ba · 1,787 sqft · built 1922 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $100,000Jan 1998 | $13,6282025 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,120 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,6992025 | Owner on Record Owner Occupied | Assessor + 2 DocumentsUpdated Oct 2026 |
4 bd · 2 ba · 2,242 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $680,000May 2021 | $14,9012025 | —Dec 2013 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
2 ba · 1,732 sqft · built 1949 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $599,999Jan 2021 | $14,7872025 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Oct 2026 |
1.5 ba · 1,307 sqft · built 1949 · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $416,000Jan 2010 | $10,5512025 | Amount on Record Nov 2009 | 2 Owners on Record Owner Occupied | AssessorUpdated Oct 2026 |