William St, Malverne, NY Property Records

Nassau County and Hempstead Town property records for 11 addresses on William St, Malverne, NY · Last verified July 2026

William St Highlights

Properties 11
Median Sale Price $420,000
Deeds and Mortgages on File 12
Median Price per Sqft $319
Owner Occupied 100%
Median Annual Tax Bill $10,341
Median Year Built 1929
Median Ownership Tenure 14 years

Properties on William St

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

11 William St

1 ba · 1,344 sqft · built 1929 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,5872025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

15 William St

2 ba · 1,558 sqft · built 1931 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jun 2021 $10,8232025 Amount on Record Dec 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

21 William St

1.5 ba · 1,234 sqft · built 1935 · 0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Oct 2008 $8,8852025 Amount on Record May 2000 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

29 William St

2 ba · 1,399 sqft · built 1928 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$358,500Apr 2011 $10,4932025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

31 William St

2 ba · 1,692 sqft · built 1928 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Feb 2018 $12,3482025 Amount on Record Jan 2010 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

36 William St

2 ba · 1,836 sqft · built 1933 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Jan 1996 $11,8872025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

37 William St

4 bd · 2.5 ba · 1,441 sqft · built 1928 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Oct 2006 $11,1942025 Amount on Record Aug 1995 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

40 William St

2.5 ba · 1,836 sqft · built 1925 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2012 $9,9052025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

41 William St

3 bd · 2 ba · 1,399 sqft · built 1928 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$332,000Jul 2013 $7,7712025 Amount on Record Oct 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

42 William St

2 bd · 1 ba · 832 sqft · built 1938 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Sep 2021 $8,4502025 Amount on Record Jul 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

50 William St

1.5 ba · 1,716 sqft · built 1951 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2006 $10,3412025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Wildfire Risk on William St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets