William St, East Haven, CT Property Records

East Haven Town property records for 30 addresses on William St, East Haven, CT · Last verified October 2026

William St Highlights

Properties 30
Median Sale Price $290,000
Deeds and Mortgages on File 30
Median Price per Sqft $221
Owner Occupied 87%
Median Annual Tax Bill $5,309
Median Year Built 1958
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.

3 William St

0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$162025 Owner on Record AssessorUpdated Jul 2026

6 William St

3 bd · 2 ba · 1,272 sqft · built 1966 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Aug 1989 $6,6062025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

9 William St

4 bd · 2 ba · 2,429 sqft · built 1958 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,8282025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

12 William St

3 bd · 2 ba · 1,080 sqft · built 1964 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$233,900Apr 2020 $5,8452025 Amount on Record Apr 2007 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

16 William St

4 bd · 2 ba · 1,304 sqft · built 1964 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$289,000Aug 2018 $6,3082025 Amount on Record Apr 2010 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

19 William St

3 bd · 1 ba · 1,269 sqft · built 1957 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000May 2013 $4,7682025 —Oct 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

20 William St

3 bd · 1.5 ba · 1,080 sqft · built 1994 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$132,500Aug 1994 $6,2482025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

28 William St

3 bd · 1.5 ba · 1,080 sqft · built 1964 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,3442025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

29 William St

4 bd · 2 ba · 2,220 sqft · built 1984 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8702025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

34 William St

3 bd · 2 ba · 1,456 sqft · built 1965 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$24,600Sep 2016 $6,8212025 Amount on Record Aug 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

72 William St

3 bd · 1 ba · 1,080 sqft · built 1969 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,000Aug 2000 $5,1642025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

75 William St

3 bd · 1 ba · 1,008 sqft · built 1950 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$92,000May 1998 $4,6772025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

77 William St

4 bd · 1 ba · 1,342 sqft · built 1920 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Aug 2004 $4,8272025 Amount on Record Feb 2002 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

80 William St

6 bd · 3.5 ba · 2,138 sqft · built 1953 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,5772025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

89 William St

3 bd · 1.5 ba · 1,212 sqft · built 1959 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jun 2007 $5,5552025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

93 William St

2 bd · 1 ba · 942 sqft · built 1922 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$77,000Jan 2012 $4,4432025 Amount on Record Apr 2006 Owner on Record AssessorUpdated Jul 2026

94 William St

2 bd · 1.5 ba · 968 sqft · built 1924 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,500Jun 2016 $4,3022025 Amount on Record Sep 2001 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

96 William St

2 bd · 1 ba · 682 sqft · built 1924 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8742025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

98 William St

3 bd · 2 ba · 1,153 sqft · built 2008 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jan 2010 $6,2732025 Amount on Record May 2008 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

99 William St

4 bd · 3 ba · 1,204 sqft · built 2008 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jan 2022 $6,7202025 Amount on Record Apr 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

104 William St

3 bd · 1 ba · 1,430 sqft · built 1929 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$329,900Mar 2024 $5,0002025 Amount on Record Aug 2017 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

107 William St

3 bd · 3 ba · 1,342 sqft · built 1991 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$242,500Jun 2018 $7,8722025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

111 William St

3 bd · 2 ba · 1,358 sqft · built 1953 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9792025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

115 William St

4 bd · 2 ba · 1,721 sqft · built 1953 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000May 1997 $5,7792025 Amount on Record — 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

116 William St

3 bd · 1 ba · 1,056 sqft · built 1951 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6162025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

119 William St

2 bd · 1 ba · 715 sqft · built 1953 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$119,900Aug 2002 $3,6312025 Amount on Record Jul 2000 Owner on Record Owner Occupied AssessorUpdated Jul 2026

120 William St

3 bd · 1 ba · 912 sqft · built 1956 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000May 2023 $4,8692025 Amount on Record Oct 2002 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

123 William St

3 bd · 1 ba · 960 sqft · built 1963 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,5882025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

126 William St

3 bd · 2 ba · 1,008 sqft · built 1978 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$127,000Oct 1992 $4,9302025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

161 William St

3 bd · 1 ba · 1,360 sqft · built 1925 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Apr 2023 $5,3092025 Amount on Record Jun 2017 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

Property Records in Nearby Streets