William Ave, Staten Island, NY Property Records

New York City and Richmond County property records for 38 addresses on William Ave, Staten Island, NY · Last verified October 2026

William Ave Highlights

Properties 38
Median Sale Price $810,000
Deeds and Mortgages on File 32
Median Price per Sqft $429
Owner Occupied 71%
Median Annual Tax Bill $6,564
Median Year Built 1955
Median Ownership Tenure 12 years

Properties on William Ave

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

3 William Ave

2 ba · 2,200 sqft · built 1980 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Oct 2024 $8,5562025 Amount on Record May 1995 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

7 William Ave

2 ba · 1,344 sqft · built 1980 · 0.054 acres

Last Sale Tax Bill Prior Sale Owner Records
$507,000Nov 2019 $6,2542025 Amount on Record Apr 2013 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

9 William Ave

2 ba · 1,344 sqft · built 1980 · 0.054 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1993 $5,9692025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

13 William Ave

2 ba · 1,000 sqft · built 1955 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,4822025 Owner on Record Owner Occupied AssessorUpdated May 2026

17 William Ave

2 ba · 1,100 sqft · built 1955 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,5482025 2 Owners on Record AssessorUpdated May 2026

18 William Ave

2 ba · 944 sqft · built 1965 · 0.208 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,9552025 Owner on Record Owner Occupied AssessorUpdated May 2026

20 William Ave

2 ba · 1,652 sqft · built 1930 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,1612025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

24 William Ave

2 ba · 528 sqft · built 1925 · 0.055 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4862025 Owner on Record Owner Occupied AssessorUpdated May 2026

28 William Ave

2 ba · 1,144 sqft · built 1955 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Feb 2021 $6,5642025 Amount on Record Apr 2016 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

32 William Ave

940 sqft · built 1925 · 0.077 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,6172025 2 Owners on Record AssessorUpdated May 2026

36 William Ave

2 ba · 576 sqft · built 1920 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5122025 Owner on Record Owner Occupied AssessorUpdated May 2026

37 William Ave

2 ba · 1,000 sqft · built 1955 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,000May 2001 $5,5472025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

40 William Ave

2 ba · 576 sqft · built 1915 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$419,000Jul 2019 $4,0972025 Amount on Record Apr 2017 2 Owners on Record Assessor + 5 DocumentsUpdated Oct 2026

41 William Ave

2 ba · 2,166 sqft · built 1955 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Nov 2012 $7,9942025 Amount on Record May 2012 Owner on Record AssessorUpdated Oct 2026

44 William Ave

2 ba · 1,794 sqft · built 1955 · 0.083 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,5612025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

48 William Ave

2 ba · 2,134 sqft · built 1955 · 0.085 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Nov 2011 $10,1992025 Amount on Record Nov 1997 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

52 William Ave

2 ba · 960 sqft · built 1925 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$635,000Aug 2021 $5,3892025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

60 William Ave

2 ba · 2,200 sqft · built 1920 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Apr 2002 $7,7502025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

65 William Ave

2 ba · 2,127 sqft · built 1975 · 0.086 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Jul 2014 $7,5302025 2 Owners on Record Owner Occupied AssessorUpdated May 2026

66 William Ave

2 ba · 2,204 sqft · built 1963 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7672025 Owner on Record Owner Occupied AssessorUpdated May 2026

70 William Ave

2 ba · 2,147 sqft · built 1955 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$810,000May 2024 $8,6702025 Amount on Record Mar 2019 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

71 William Ave

2 ba · 2,167 sqft · built 1975 · 0.086 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7172025 2 Owners on Record Owner Occupied AssessorUpdated May 2026

78 William Ave

2 ba · 2,712 sqft · built 1950 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$980,000May 2021 $10,7022025 Amount on Record Feb 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

86 William Ave

2 ba · 2,088 sqft · built 2014 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$763,687Jul 2014 $8,8652025 Amount on Record Jan 2011 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

90 William Ave

2 ba · 1,519 sqft · built 1915 · 0.09 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,9882025 Owner on Record Owner Occupied AssessorUpdated May 2026

94 William Ave

2 ba · 1,438 sqft · built 1925 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Mar 2002 $7,2302025 —Feb 1994 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

96 William Ave

2 ba · 944 sqft · built 1925 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Feb 2019 $6,2692025 Owner on Record Assessor + 4 DocumentsUpdated Oct 2026

98 William Ave

2 ba · 2,216 sqft · built 2018 · 0.085 acres

Last Sale Tax Bill Prior Sale Owner Records
$952,063Oct 2019 $8,2522025 2 Owners on Record Assessor + 3 DocumentsUpdated Oct 2026

101 William Ave

2 ba · 1,972 sqft · built 1965 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,4632025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

102 William Ave

2 ba · 1,132 sqft · built 1944 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1994 $5,6312025 Owner on Record Owner Occupied AssessorUpdated May 2026

106 William Ave

2 ba · 1,500 sqft · built 1925 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Dec 1997 $6,4582025 Amount on Record Dec 1996 Owner on Record Owner Occupied AssessorUpdated Oct 2026

110 William Ave

2 ba · 1,368 sqft · built 1925 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0512025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

114 William Ave

2 ba · 912 sqft · built 1955 · 0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Feb 1997 $2,7312025 Owner on Record Owner Occupied AssessorUpdated May 2026

118 William Ave

2 ba · 912 sqft · built 1955 · 0.067 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Aug 2025 $6,1012025 Amount on Record Mar 2018 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2026

131 William Ave

2 ba · 1,680 sqft · built 1965 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Mar 2014 $6,0712025 Amount on Record Sep 2012 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

132 William Ave

2 ba · 2,050 sqft · built 1925 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$585,000Dec 2010 $6,5032025 Amount on Record Apr 2010 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2026

135 William Ave

2 ba · 2,240 sqft · built 1965 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,1612025 Owner on Record AssessorUpdated May 2026

138 William Ave

2 ba · 1,300 sqft · built 1915 · 0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
$449,000May 2003 $6,5912025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

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