Mouse Island, Groton, CT Property Records

Groton Town property records for 3 addresses on Mouse Island, Groton, CT · Last verified July 2026

Mouse Island Highlights

Properties 3
Median Sale Price $396,000
Deeds and Mortgages on File 3
Median Price per Sqft $557
Median Annual Tax Bill $8,954
Median Year Built 1940
Median Ownership Tenure 5 years

Properties on Mouse Island

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

1 Mouse Island

4 bd · 1.5 ba · 1,531 sqft · built 1939 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$854,000Jul 2023 $10,4792025 Amount on Record Apr 2004 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

2 Mouse Island

3 bd · 1.5 ba · 720 sqft · built 1940 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000Nov 2021 $8,9542025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

3 Mouse Island

2 bd · 1.5 ba · 545 sqft · built 1948 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$396,000Jul 2005 $6,7982025 Owner on Record AssessorUpdated Jul 2026