Suffolk County, Brookhaven Town, Riverhead Town and Babylon Town property records for 73 addresses on Washington Ave, Mastic Beach, NY · Last verified August 2026
| Properties | 73 |
|---|---|
| Median Sale Price | $365,565 |
| Deeds and Mortgages on File | 68 |
| Average Living Area | 1,857 sq ft |
| Owner Occupied | 78% |
| Median Annual Tax Bill | $7,070 |
| Median Year Built | 1998 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,4702024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $100,000Sep 2017 | $5,8912024 | Amount on Record Jun 2017 | 1 Name on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
0.33 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,000May 1995 | $4,1222024 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $61,724Jan 2013 | $5,8912024 | Amount on Record Jun 1998 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
611 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record | AssessorUpdated Aug 2026 |
0.71 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,8562024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $112,950Aug 2017 | $9,7012024 | Amount on Record Sep 2003 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 2,344 sqft · built 2018 · 1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $75,000Jul 2020 | $15,9712024 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 2 ba · 1,112 sqft · built 1993 · 0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,3862024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $550,000Jun 2025 | $7,9292024 | Amount on Record Nov 2000 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
1 ba · 2,116 sqft · built 1998 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2012 | $8,9802024 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.215 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $267,500Apr 2019 | $9,4282024 | Amount on Record Sep 2011 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $195,000May 2016 | $6,4622024 | Amount on Record Oct 2014 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $291,500Aug 2006 | $6,0232024 | Amount on Record Feb 1997 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $143,100Apr 2003 | $7,3792024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.469 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Jul 2003 | $8,7012024 | 1 Name on Record | Assessor + 4 DocumentsUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Sep 2008 | $3,1002024 | Amount on Record Aug 2007 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,0602024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Mar 2023 | $7,9422024 | Amount on Record Jan 2004 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $455,000Mar 2022 | $11,2522024 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $350,000Nov 2024 | $9,2322024 | Amount on Record Nov 1995 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $202,000Nov 2003 | $4,1752024 | Amount on Record Nov 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $280,900Oct 2006 | $5,8072024 | Amount on Record Jul 2003 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.439 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $183,079Aug 2016 | $9,3102024 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,2122024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $95,500May 1998 | $6,2002024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,2492024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000Apr 2004 | $8,1842024 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,4632024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2010 | $6,8142024 | Amount on Record Jun 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $75,000Apr 1994 | $4,4702024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $127,000Dec 2008 | $7,4632024 | Amount on Record Aug 2006 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,0702024 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $54,000Jan 2013 | $5,8912024 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $57,546Dec 2015 | $6,7752024 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,2672024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $88,000Mar 2008 | $7,0252024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $95,000Sep 2016 | $5,8002024 | Amount on Record May 2015 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2019 | $4,3182024 | Amount on Record Jan 2006 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.239 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $78,000May 2000 | $6,2842024 | Amount on Record Jul 1996 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $300,566Jun 2007 | $6,7082024 | Amount on Record Sep 2005 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
0.339 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $470,000Feb 2021 | $9,2322024 | Amount on Record Sep 2019 | 2 Names on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $227,500Jan 2003 | $7,9682024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $510,000Jun 2023 | $8,4792024 | Amount on Record Sep 2000 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jul 2002 | $7,5752024 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.369 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $339,000Apr 2021 | $8,6422024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $490,000Oct 2025 | $5,2562024 | Amount on Record Oct 2005 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.189 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,7652024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,6262024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $196,500Apr 2010 | $5,7672024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $330,000Dec 2020 | $7,8172024 | Amount on Record Sep 2014 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $190,000Sep 2015 | $6,4972024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,0472024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $135,110Jan 2001 | $6,5932024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.21 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $74,500Jun 1999 | $6,3762024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $249,990Aug 2003 | $5,8462024 | Amount on Record May 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.2 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $129,500Nov 2000 | $4,8242024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.43 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,000Sep 2025 | $5,9302024 | Amount on Record Mar 2016 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $175,000Sep 2005 | $7,9882024 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $98,000Oct 1999 | $7,3792024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.35 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $140,000Oct 2001 | $6,7892024 | Amount on Record Sep 2001 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.18 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $365,565Jul 2024 | $9,7682024 | Amount on Record Sep 2002 | 1 Name on Record | AssessorUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,7382024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.28 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $288,000Jul 2006 | $6,2002024 | Amount on Record Jun 2004 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Aug 2022 | $8,3322024 | Amount on Record Jan 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Aug 2026 |
0.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $276,197Nov 2007 | $6,5792024 | Amount on Record Apr 2002 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.539 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $247,200Jan 2020 | $8,9172024 | Amount on Record Jan 1996 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
0.36 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $600,000Mar 2026 | $11,1942024 | Amount on Record Jan 1994 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
0.269 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,4502024 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,9472024 | 1 Name on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $131,000Jun 2000 | 2 Names on Record Owner Occupied | AssessorUpdated Mar 2024 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,6282024 | 2 Names on Record Owner Occupied | AssessorUpdated Aug 2026 |
0.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $165,000Aug 2018 | $9,7982024 | Amount on Record May 2017 | 1 Name on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank above 9% of the US · above 24% of New York |
|---|---|
| Wildfire Likelihood | About 1 in 8,772 per year |
| Exposure | Direct 4 of 15 cells directly exposed · 12 adjoin burnable vegetation |