Prospect Ave, Danielson, CT Property Records

Killingly Town property records for 43 addresses on Prospect Ave, Danielson, CT · Last verified August 2026

Prospect Ave Highlights

Properties 43
Median Sale Price $206,000
Deeds and Mortgages on File 82
Median Price per Sqft $157
Owner Occupied 65%
Median Annual Tax Bill $3,691
Median Year Built 1924
Median Ownership Tenure 14 years

Properties on Prospect Ave

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

10 Prospect Ave

8 bd · 8 ba · 9,051 sqft · 0.439 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Dec 2009 $7,6762025 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

18 Prospect Ave

16 bd · 9,900 sqft · 0.85 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$775,000Dec 2009 $7,3302025 Amount on Record Jan 1992 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

30 Prospect Ave

8 bd · 4,296 sqft · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$892,000May 2010 $5,4972025 Amount on Record Dec 2009 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

31 Prospect Ave

4 bd · 1 ba · 1,632 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000May 2023 $3,6912025 Amount on Record Apr 1997 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

34 Prospect Ave

0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$22025 1 Name on Record AssessorUpdated Jul 2026

36 Prospect Ave

6 bd · 5,040 sqft · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Dec 2009 $5,7572025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

37 Prospect Ave

3 bd · 1 ba · 1,632 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,583Nov 1987 $4,2212025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

40 Prospect Ave

5,250 sqft · Built 1900 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$892,000May 2010 $4,9972025 Amount on Record Dec 2009 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

43 Prospect Ave

5 bd · 1 ba · 1,632 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 2023 $4,0722025 Amount on Record Apr 2019 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

44 Prospect Ave

5,271 sqft · Built 1900 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$892,000May 2010 $5,1972025 Amount on Record Dec 2009 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

47 Prospect Ave

4 bd · 1 ba · 1,632 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,200Jul 1999 $3,4912025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

51 Prospect Ave

4 bd · 1 ba · 1,632 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0942025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

54 Prospect Ave

4 bd · 1 ba · 1,248 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,4532025 1 Name on Record AssessorUpdated Jul 2026

55 Prospect Ave

4 bd · 1.5 ba · 1,510 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Sep 2021 $3,8492025 —Sep 2005 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

59 Prospect Ave

2 bd · 1 ba · 910 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$45,000Oct 2012 $2,6062025 1 Name on Record AssessorUpdated Jul 2026

63 Prospect Ave

6 bd · 2 ba · 2,004 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,000May 2026 $3,2452025 Amount on Record Aug 2023 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

64 Prospect Ave

2 bd · 2 ba · 2,185 sqft · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$299,000Sep 2024 $2,8262025 Amount on Record May 2023 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

67 Prospect Ave

3 bd · 1 ba · 1,368 sqft · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Mar 2024 $3,4232025 Amount on Record Oct 1998 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

70 Prospect Ave

3 bd · 1 ba · 988 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$206,000Jul 2022 $3,4852025 Amount on Record Dec 2009 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

71 Prospect Ave

3 bd · 1 ba · 1,368 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,000Aug 2009 $2,7652025 Amount on Record Sep 2006 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

74 Prospect Ave

4 bd · 1.5 ba · 988 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jul 1987 $3,3962025 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

75 Prospect Ave

4 bd · 1 ba · 1,332 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$62,500Feb 2003 $2,8842025 Amount on Record Oct 2002 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

78 Prospect Ave

2 bd · 1 ba · 988 sqft · 0.319 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,000Mar 2022 $3,4982025 Amount on Record Jun 2015 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

82 Prospect Ave

4 bd · 2 ba · 1,560 sqft · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$196,000Mar 2022 $3,2242025 Amount on Record Feb 2013 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

86 Prospect Ave

2 bd · 1.5 ba · 1,704 sqft · 0.56 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$80,000Sep 2012 $4,3732025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

88 Prospect Ave

0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Feb 2004 $7,0702025 Amount on Record May 2003 1 Name on Record AssessorUpdated Jul 2026

93 Prospect Ave

7 bd · 2 ba · 2,668 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$367,500Jul 2024 $5,2982025 Amount on Record Sep 2010 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

98 Prospect Ave

6 bd · 2 ba · 2,102 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$71,000Jun 2012 $4,9442025 Amount on Record Jul 2008 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

101 Prospect Ave

3 bd · 1 ba · 1,554 sqft · 0.298 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$94,000Feb 2002 $3,8102025 Amount on Record Mar 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

102 Prospect Ave

4 bd · 1 ba · 1,710 sqft · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,900Aug 1993 $3,9832025 1 Name on Record AssessorUpdated Jul 2026

112 Prospect Ave

3 bd · 1.5 ba · 1,274 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,000Jun 1996 $3,3442025 Amount on Record Feb 1989 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

116 Prospect Ave

2 bd · 1 ba · 960 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000Jun 2021 $3,1272025 Amount on Record Mar 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

120 Prospect Ave

2 bd · 1 ba · 960 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$170,000Nov 2020 $3,0672025 Amount on Record Apr 2017 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

123 Prospect Ave

4 bd · 2 ba · 1,968 sqft · 0.6 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$130,000Jul 2012 $4,5702025 Amount on Record Oct 2011 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

124 Prospect Ave

7 bd · 2 ba · 2,702 sqft · 0.178 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,0722025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

129 Prospect Ave

0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000May 2025 $52025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

130 Prospect Ave

3 bd · 2 ba · 1,330 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$92,500Mar 1993 $4,7742025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

131 Prospect Ave

3 bd · 1 ba · 1,152 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000May 2025 $3,1922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

137 Prospect Ave

3 bd · 1.5 ba · 1,200 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,4002025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

138 Prospect Ave

3 bd · 1 ba · 960 sqft · 0.276 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Mar 2023 $3,6622025 Amount on Record Jan 2006 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

143 Prospect Ave

4 bd · 1 ba · 864 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jun 2008 $3,5912025 Amount on Record Mar 2002 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

144 Prospect Ave

6 bd · 2 ba · 1,360 sqft · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Sep 2021 $3,7112025 Amount on Record Oct 2008 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

146 Prospect Ave

3 bd · 1.5 ba · 816 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$178,000Jan 2020 $3,4442025 Amount on Record May 2009 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

Property Records in Nearby Streets