1st Ave, Locust Valley, NY Property Records

Nassau County and Oyster Bay Town property records for 13 addresses on 1st Ave, Locust Valley, NY · Last verified October 2026

1st Ave Highlights

Properties 13
Median Sale Price $405,000
Deeds and Mortgages on File 9
Median Price per Sqft $252
Owner Occupied 100%
Median Annual Tax Bill $14,212
Median Year Built 1983
Median Ownership Tenure 23 years

Properties on 1st Ave

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

3 1st Ave

3 ba · 2,218 sqft · built 1997 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,300Jan 1998 $14,7622025 —Jan 1998 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

5 1st Ave

3 ba · 2,218 sqft · built 1997 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1998 $17,2412025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

8 1st Ave

1 ba · 1,272 sqft · built 1962 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 2015 $11,0342025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

9 1st Ave

3 ba · 2,219 sqft · built 1998 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1998 $17,4202025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

13 1st Ave

1 ba · 970 sqft · built 1954 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Dec 2025 $4,2492025 Amount on Record Jul 1999 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

19 1st Ave

2 ba · 1,684 sqft · built 1962 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Feb 2005 $13,2422025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

20 1st Ave

1 ba · 840 sqft · built 1960 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Sep 2017 $8,8892025 —Aug 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

23 1st Ave

3 ba · 2,169 sqft · built 1930 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Aug 2001 $18,1862025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

23 1st Ave, #A

3 ba · 2,618 sqft · built 2008 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,6682025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

23A 1st Ave

3 ba · 2,618 sqft · built 2008 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2008 $14,2122018 2 Owners on Record Owner Occupied AssessorUpdated May 2024

25 1st Ave

2 ba · 2,564 sqft · built 1983 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$412,000May 2003 $14,3222025 —May 2003 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

32 1st Ave

1.5 ba · 1,125 sqft · built 1954 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jun 2003 $11,2132025 —Mar 1997 Owner on Record Owner Occupied AssessorUpdated Jun 2026

34 1st Ave

3 ba · 2,197 sqft · built 2006 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,8952025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

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