Rte 25a, Syosset, NY Property Records

Nassau County and Oyster Bay Town property records for 14 addresses on Rte 25a, Syosset, NY · Last verified August 2026

Rte 25a Highlights

Properties 14
Median Sale Price $1,500,000
Deeds and Mortgages on File 16
Median Price per Sqft $323
Owner Occupied 79%
Median Annual Tax Bill $20,568
Median Year Built 1965
Median Ownership Tenure 12 years

Properties on Rte 25a

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

1678 Rte 25a

4 bd · 4 ba · 2,251 sqft · built 1971 · 2.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$880,000Jan 2006 $18,6392025 Amount on Record May 1997 Owner on Record Owner Occupied AssessorUpdated Jun 2026

1681 Rte 25a

3.5 ba · 3,106 sqft · built 1980 · 2.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$740,000Jan 2020 $16,9082025 —Aug 2001 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1692 Rte 25a

4 bd · 4 ba · 3,477 sqft · built 1910 · 2.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,400,000Nov 2025 $20,2322025 Amount on Record May 2012 2 Owners on Record Assessor + 1 DocumentUpdated Jun 2026

1695 Rte 25a

4 ba · 4,130 sqft · built 1943 · 2.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,425,000Oct 2003 $22,8092025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1696 Rte 25a

5.5 ba · 5,419 sqft · built 1982 · 2.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,130,000Dec 2014 $26,6662025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

1697 Rte 25a

3.5 ba · 4,328 sqft · built 1978 · 2.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Nov 2024 $23,0222025 2 Owners on Record AssessorUpdated Jun 2026

1698 Rte 25a

5.5 ba · 5,414 sqft · built 1982 · 2.04 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,950,000Mar 2019 $28,2352025 Amount on Record Jun 2017 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

1700 Rte 25a

7 bd · 3.5 ba · 4,070 sqft · built 1956 · 2.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Sep 2016 $24,0692025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1702 Rte 25a

6,240 sqft · built 1948 · 1.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,3162025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

1707 Rte 25a

3.5 ba · 2,613 sqft · built 1930 · 1.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$840,000May 2012 $16,8402025 Amount on Record Dec 2008 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1708 Rte 25a

2.5 ba · 2,030 sqft · built 1934 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Mar 2004 $11,9572025 Amount on Record Nov 2003 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1709 Rte 25a

3.5 ba · 3,174 sqft · built 1930 · 1.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$699,000Feb 2011 $20,5682025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

1710 Rte 25a

3 ba · 3,417 sqft · built 1965 · 1.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Feb 2005 $9,0622025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

6812 Rte 25a

6.5 ba · 6,667 sqft · built 2006 · 2.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Feb 2017 $55,7702025 Amount on Record Sep 1995 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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