Island Ave, Madison, CT Property Records

Madison Town property records for 40 addresses on Island Ave, Madison, CT · Last verified August 2026

Island Ave Highlights

Properties 40
Median Sale Price $1,800,000
Deeds and Mortgages on File 59
Median Price per Sqft $491
Owner Occupied 88%
Median Annual Tax Bill $23,825
Median Year Built 1974
Median Ownership Tenure 11 years

Properties on Island Ave

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

15 Island Ave

5 bd · 5.5 ba · 5,030 sqft · built 1970 · 0.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,174,000Oct 2006 $29,0892025 Amount on Record Aug 1992 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

20 Island Ave

3 bd · 1 ba · 27,095 sqft · built 1990 · 8.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,300,000Jun 2022 $71,6862025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

21 Island Ave

4 bd · 3.5 ba · 2,749 sqft · built 1970 · 0.95 acres

Last Sale Tax Bill Prior Sale Owner Records
$629,000Jul 2019 $17,8052025 Amount on Record Jun 2018 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

25 Island Ave

4 bd · 5.5 ba · 4,287 sqft · built 1980 · 1.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000May 2020 $26,3082025 Amount on Record Apr 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

27 Island Ave

4 bd · 3.5 ba · 3,205 sqft · built 1984 · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$661,250Oct 2002 $21,6362025 Amount on Record Jul 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

29 Island Ave

6 bd · 3.5 ba · 3,450 sqft · built 1901 · 0.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,570,000Jun 2022 $34,0962025 Amount on Record Jun 2016 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

31 Island Ave

4 bd · 4.5 ba · 5,894 sqft · built 2002 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Nov 1995 $33,0042025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

32 Island Ave

4 bd · 4 ba · 4,045 sqft · built 1975 · 1.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$880,000Mar 2009 $25,2182025 Amount on Record May 2005 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

43 Island Ave

4 bd · 3.5 ba · 3,382 sqft · built 2002 · 1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jan 1999 $24,7632025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

44 Island Ave

4 bd · 2 ba · 1,411 sqft · built 1974 · 1.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$655,000Mar 2015 $17,2962025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

45 Island Ave

5 bd · 5 ba · 4,637 sqft · built 2001 · 1.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$580,000Jul 2000 $32,2812025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

47 Island Ave

4 bd · 3.5 ba · 3,248 sqft · built 1982 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jul 2018 $24,3992025 Amount on Record Feb 1990 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

51 Island Ave

4 bd · 2.5 ba · 2,726 sqft · built 1970 · 0.989 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,8842024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

53 Island Ave

4 bd · 4.5 ba · 4,841 sqft · built 2018 · 0.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,402,676Dec 2019 $31,7452025 Amount on Record Aug 2017 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

55 Island Ave

4 bd · 3 ba · 3,046 sqft · built 1972 · 1.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Sep 2010 $19,6852025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

56 Island Ave

3 bd · 2.5 ba · 3,063 sqft · built 1952 · 0.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,2722025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

57 Island Ave

4 bd · 3.5 ba · 3,006 sqft · built 1977 · 0.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,215,000Jun 2023 $21,2952025 Amount on Record Jun 1990 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

60 Island Ave

4 bd · 3.5 ba · 2,580 sqft · built 1962 · 0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jun 1995 $18,6732025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

63 Island Ave

3 bd · 2.5 ba · 3,503 sqft · built 1974 · 1.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Sep 1997 $25,0182025 Amount on Record Jun 1991 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

64 Island Ave

1 bd · 1 ba · 448 sqft · built 2019 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,7512025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

69 Island Ave

4 bd · 3 ba · 2,196 sqft · built 1887 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Aug 2016 $18,6082025 Amount on Record Jun 1989 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

70 Island Ave

3 bd · 2.5 ba · 2,413 sqft · built 2013 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2012 $23,8252025 Amount on Record Aug 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

74 Island Ave

3 bd · 2.5 ba · 2,366 sqft · built 1963 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Mar 1998 $18,4512025 Amount on Record Sep 1993 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

75 Island Ave

5 bd · 4.5 ba · 3,995 sqft · built 1960 · 0.789 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000Jun 2018 $26,7412025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

76 Island Ave

3 bd · 3.5 ba · 4,749 sqft · built 2002 · 0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000May 2001 $39,1872025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

77 Island Ave

5 bd · 2.5 ba · 2,390 sqft · built 1964 · 0.68 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,5162025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

79 Island Ave

4 bd · 3.5 ba · 4,967 sqft · built 1946 · 0.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,800,000Dec 2023 $23,6432025 Amount on Record Oct 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

80 Island Ave

5 bd · 4 ba · 4,796 sqft · built 2013 · 0.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000May 2012 $30,8772025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

81 Island Ave

5 bd · 5 ba · 5,856 sqft · built 2005 · 0.68 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,492,500Aug 2015 $36,5902025 Amount on Record Jun 2008 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

85 Island Ave

5 bd · 4.5 ba · 4,472 sqft · built 1950 · 0.589 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,200,000Dec 2024 $24,6332025 Amount on Record Nov 2011 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

89 Island Ave

4 bd · 2.5 ba · 2,556 sqft · built 1879 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$333,000Nov 1987 $19,7792025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

94 Island Ave

4 bd · 3.5 ba · 3,160 sqft · built 1960 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,540,000Mar 2007 $23,0982025 Amount on Record Aug 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

98 Island Ave

4 bd · 4 ba · 4,505 sqft · built 2015 · 0.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,400,000May 2026 $33,6762025 Amount on Record Sep 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

113 Island Ave

2 bd · 3.5 ba · 1,935 sqft · built 1900 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,0862025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

115 Island Ave

5 bd · 3.5 ba · 2,891 sqft · built 1920 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$875,000Mar 2016 $23,5652025 Amount on Record Jan 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

117 Island Ave

2 bd · 3.5 ba · 2,397 sqft · built 1997 · 1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Dec 2021 $18,6462025 Amount on Record Jul 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

119 Island Ave

3 bd · 2.5 ba · 2,121 sqft · built 1885

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Sep 2022 $18,7492025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

125 Island Ave

4 bd · 2.5 ba · 1,925 sqft · built 1897 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,225,000Jun 2022 $19,6782025 Amount on Record Dec 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

127 Island Ave

3 bd · 3.5 ba · 3,179 sqft · built 2021 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000Apr 2004 $32,3732025 Amount on Record Aug 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

128 Island Ave

32,732 sqft · built 1900 · 2.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$64,9572024 1 Name on Record AssessorUpdated Jul 2026

Wildfire Risk on Island Ave

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

Wildfire RiskLow
this street's cells rank above 4% of the US · above 6% of Connecticut
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
2 of 5 cells directly exposed · 3 adjoin burnable vegetation

Property Records in Nearby Streets