Nassau County and Oyster Bay Town property records for 53 addresses on Helen Ave, Plainview, NY · Last verified August 2026
| Properties | 53 |
|---|---|
| Median Sale Price | $840,000 |
| Deeds and Mortgages on File | 61 |
| Median Price per Sqft | $509 |
| Owner Occupied | 92% |
| Median Annual Tax Bill | $13,841 |
| Median Year Built | 1954 |
| Median Ownership Tenure | 9 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
1 ba · 1,328 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000Jul 2007 | $12,5072025 | Amount on Record Dec 1995 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,508 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $595,000Oct 2019 | $15,4952025 | Amount on Record Jul 2015 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,469 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $402,000May 2014 | $14,1712025 | —May 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $462,000Oct 2014 | $17,1382025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3.5 ba · 2,133 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $262,000Jul 1998 | $16,9332025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,300 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,3392025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 1,300 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $245,000Nov 1999 | $13,1612025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $137,000Apr 2005 | $13,8712025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,158 sqft · 0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $552,000Feb 2019 | $14,1082025 | Amount on Record Mar 2007 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
1.5 ba · 1,248 sqft · 0.154 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $745,018Nov 2024 | $13,6632025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jun 2026 |
4 ba · 2,859 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,045,000Oct 2020 | $13,2172025 | Amount on Record Nov 1996 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
2 ba · 1,510 sqft · 0.185 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,8542025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.169 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $768,500Oct 2025 | $10,7642025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3.5 ba · 2,708 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,380,000May 2023 | $14,6132025 | Amount on Record Mar 2022 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
2 ba · 1,553 sqft · 0.158 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $170,000Dec 1996 | $16,3392025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3.5 ba · 2,728 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Mar 2022 | $18,1782025 | Amount on Record Dec 2020 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $615,000Feb 2023 | $15,0292025 | Amount on Record Oct 2016 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,7352025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.153 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $367,500Nov 2010 | $12,8642025 | —Sep 2008 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 948 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $315,000Apr 2010 | $13,1882025 | Amount on Record Jul 2000 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,300 sqft · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Oct 2013 | $13,7822025 | Amount on Record Sep 2011 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 ba · 1,998 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,1972025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
4 bd · 2.5 ba · 2,622 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $790,000Nov 2017 | $22,2772025 | Amount on Record Jun 2015 | 1 Name on Record | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 948 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,3162025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
2 ba · 2,047 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,5792025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3.5 ba · 2,870 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $998,000May 2020 | $21,1482025 | Amount on Record Oct 2018 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
2 ba · 1,095 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $214,000Aug 1997 | $12,8942025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,636 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $484,000Jul 2005 | $13,8412025 | —Nov 1998 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 948 sqft · 0.172 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,2302025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1.5 ba · 1,373 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,9602025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 ba · 3,013 sqft · 0.159 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $964,000Feb 2020 | $12,8612025 | Amount on Record Nov 2018 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 1,305 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $840,000Jul 2025 | $16,0982025 | Amount on Record May 2019 | 2 Names on Record | Assessor + 4 DocumentsUpdated Jun 2026 |
3 ba · 3,414 sqft · 0.15 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,425,000May 2025 | $23,2722025 | Amount on Record Nov 2016 | 1 Name on Record | AssessorUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,2992025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 1,090 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $730,000Jun 2024 | $11,1052025 | Amount on Record Jun 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 ba · 1,095 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $475,000Nov 2005 | $5,6342025 | —May 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
3 bd · 2 ba · 1,662 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $610,000Nov 2019 | $16,7532025 | Amount on Record Apr 2015 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
3 bd · 1.5 ba · 948 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Aug 2013 | $14,2602025 | Amount on Record May 2001 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jun 2026 |
3 ba · 1,618 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Mar 2021 | $15,8902025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 948 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,4182025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 948 sqft · 0.149 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $339,900Jul 2002 | $13,9642025 | Amount on Record Feb 2000 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
2 ba · 2,406 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $227,000Nov 1998 | $19,4252025 | Amount on Record Jul 1996 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2.5 ba · 2,399 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $975,000Aug 2020 | $22,5742025 | Amount on Record Feb 2017 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
1 ba · 1,158 sqft · 0.156 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $722,000Jan 2026 | $11,3392025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 ba · 948 sqft · 0.158 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,7182025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 948 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,5272025 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
2 ba · 948 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $234,000Aug 1999 | $13,0392025 | Amount on Record Jul 1995 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 1,208 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $450,000Mar 2005 | $11,7952025 | Amount on Record Aug 2004 | 1 Name on Record Owner Occupied | AssessorUpdated Jun 2026 |
1 ba · 1,178 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $260,000Sep 2002 | $13,0122025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
2 ba · 1,326 sqft · 0.146 acres · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Sep 2018 | $11,6432025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
3 ba · 1,158 sqft · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $651,000Jan 2022 | $17,4652025 | Amount on Record Feb 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jun 2026 |
1 ba · 948 sqft · 0.156 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,1412025 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jun 2026 |
2 ba · 2,145 sqft · 0.146 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $16,5472025 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |