Allen St, Groton, CT Property Records

Groton Town property records for 57 addresses on Allen St, Groton, CT · Last verified August 2026

Allen St Highlights

Properties 57
Median Sale Price $300,000
Deeds and Mortgages on File 32
Median Price per Sqft $154
Owner Occupied 40%
Median Annual Tax Bill $3,803
Median Year Built 1930
Median Ownership Tenure 17 years

Properties on Allen St

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

12 Allen St

3 bd · 1.5 ba · 1,492 sqft · built 1876 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,995Jun 2000 $5,7762025 Amount on Record Dec 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

16 Allen St

4 bd · 2 ba · 1,868 sqft · built 1910 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Sep 2003 $6,6132025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

20 Allen St

5 bd · 2 ba · 1,692 sqft · built 1910 · 0.175 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,000Jul 2009 $5,6242025 Amount on Record Dec 2008 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

22 Allen St

3 bd · 1 ba · 1,200 sqft · built 1900 · 0.285 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,585Dec 2013 $4,7052025 Amount on Record Jun 2003 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

24 Allen St, #26

4 bd · 2 ba · 1,820 sqft · built 1920 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Feb 2023 $4,1672025 Amount on Record Apr 2004 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

24-26 Allen St

4 bd · 2 ba · 1,700 sqft · built 1920 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$214,900Apr 2004 $2,6202018 1 Name on Record AssessorUpdated Jun 2023

34 Allen St

4 bd · 3 ba · 2,036 sqft · built 1975 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Sep 2022 $6,0412025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

40 Allen St

3 bd · 1 ba · 1,152 sqft · built 1940 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,000Jun 1996 $4,4202025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

43 Allen St

4 bd · 2 ba · 1,726 sqft · built 1890 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2762025 2 Names on Record AssessorUpdated Jul 2026

45 Allen St

3 bd · 1 ba · 846 sqft · built 1900 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0902025 2 Names on Record AssessorUpdated Jul 2026

46 Allen St

6 bd · 6 ba · 7,314 sqft · built 1918 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,1512025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

49 Allen St

6 bd · 3 ba · 3,379 sqft · built 1926 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$91,500Oct 2016 $6,7732025 Amount on Record Dec 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

52 Allen St

6 bd · 2 ba · 2,817 sqft · built 1900 · 0.235 acres

Last Sale Tax Bill Prior Sale Owner Records
$429,900Oct 2023 $7,5282025 Amount on Record Oct 2013 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

53 Allen St

3 bd · 2 ba · 1,188 sqft · built 1991 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,000Aug 1993 $5,3182025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

60 Allen St

6 bd · 3 ba · 2,388 sqft · built 1910 · 0.314 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,500Aug 2009 $5,6542025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

63 Allen St

6 bd · 3 ba · 3,276 sqft · built 1910 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Mar 2019 $7,6782025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

68 Allen St

3 bd · 1.5 ba · 1,517 sqft · built 1910 · 0.275 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Nov 2018 $6,0672025 Amount on Record May 2006 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

74 Allen St

3 bd · 2 ba · 1,502 sqft · built 1910 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4822025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

76 Allen St

2 bd · 1 ba · 1,066 sqft · built 1915 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5762025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

80 Allen St

6 bd · 4 ba · 3,116 sqft · built 1900 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$263,000Oct 2006 $9,1372025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

86 Allen St

4 bd · 1 ba · 1,556 sqft · built 1920 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,900Jul 2005 $5,8892025 Amount on Record Aug 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

90 Allen St

5 bd · 3 ba · 2,720 sqft · built 1910 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jan 2018 $6,1242025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

96 Allen St

3 bd · 2 ba · 1,560 sqft · built 1902 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Apr 1996 $6,1242025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

100 Allen St

2 bd · 1 ba · 1,268 sqft · built 1910 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Jun 2017 $5,0752025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

105 Allen St

3 bd · 4 ba · 2,340 sqft · built 1915 · 0.41 acres

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

111 Allen St

3 bd · 1.5 ba · 1,558 sqft · built 1934 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$199,000Jul 2018 $4,6122025 Amount on Record Dec 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

112 Allen St

4 bd · 2 ba · 2,240 sqft · built 1938 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$30,000Jan 2001 $5,5982025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

116 Allen St

4 bd · 2 ba · 1,690 sqft · built 1930 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8872025 1 Name on Record AssessorUpdated Jul 2026

117 Allen St

5 bd · 1.5 ba · 1,800 sqft · built 1930 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Jul 1994 $4,1382025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

119 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

121 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

122 Allen St

3 bd · 1.5 ba · 1,091 sqft · built 1930 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Mar 2024 $3,7542025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

123 Allen St

2 bd · 1.5 ba · 969 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2422025 1 Name on Record AssessorUpdated Jul 2026

125 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

126 Allen St

3 bd · 1 ba · 1,208 sqft · built 1910 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8032025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

127 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

129 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2522025 1 Name on Record AssessorUpdated Jul 2026

131 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

132 Allen St

2 bd · 1.5 ba · 1,175 sqft · built 1910 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$251,000Mar 2022 $4,1812025 Amount on Record Jan 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

133 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

135 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2712025 1 Name on Record AssessorUpdated Jul 2026

136 Allen St

2 bd · 1 ba · 1,041 sqft · built 1910 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Aug 2006 $3,3762025 Amount on Record May 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

137 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2712025 1 Name on Record AssessorUpdated Jul 2026

139 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

140 Allen St

2 bd · 1.5 ba · 1,140 sqft · built 1914 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Dec 2013 $3,7662025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

141 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

143 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$99,000Sep 1989 $2,2562025 —Sep 1989 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

145 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2932025 1 Name on Record AssessorUpdated Jul 2026

146 Allen St

5 bd · 2 ba · 1,850 sqft · built 1920 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000May 2017 $4,7132025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

147 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

149 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$2,2262025 1 Name on Record AssessorUpdated Jul 2026

151 Allen St

2 bd · 1.5 ba · 952 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$43,000Aug 2001 $2,2262025 Amount on Record Feb 1989 1 Name on Record AssessorUpdated Jul 2026

153 Allen St

1 bd · 1 ba · 616 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$1,5142025 1 Name on Record AssessorUpdated Jul 2026

155 Allen St

1 bd · 1 ba · 616 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$1,5162025 1 Name on Record AssessorUpdated Jul 2026

157 Allen St

1 bd · 1 ba · 616 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$70,000Sep 1988 $1,5162025 1 Name on Record AssessorUpdated Jul 2026

159 Allen St

1 bd · 1 ba · 616 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$1,5162025 1 Name on Record AssessorUpdated Jul 2026

161 Allen St

1 bd · 1 ba · 616 sqft · built 1974

Last Sale Tax Bill Prior Sale Owner Records
$1,5162025 1 Name on Record AssessorUpdated Jul 2026

Wildfire Risk on Allen St

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

Wildfire RiskLow
this street's cells rank above 11% of the US · above 30% of Connecticut
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
6 of 13 cells directly exposed · 10 adjoin burnable vegetation

Property Records in Nearby Streets