Prospect St, Thomaston, CT Property Records

Thomaston Town property records for 52 addresses on Prospect St, Thomaston, CT · Last verified August 2026

Prospect St Highlights

Properties 52
Median Sale Price $305,000
Deeds and Mortgages on File 46
Median Price per Sqft $175
Owner Occupied 75%
Median Annual Tax Bill $5,540
Median Year Built 1980
Median Ownership Tenure 13 years

Properties on Prospect St

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

25 Prospect St

5 bd · 2 ba · 1,862 sqft · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,5702025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

51 Prospect St

5 bd · 1.5 ba · 1,527 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$85,000Oct 1995 $5,2212025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

61 Prospect St

3 bd · 2 ba · 1,107 sqft · 0.419 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,9182025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

67 Prospect St

2 bd · 1.5 ba · 1,056 sqft · 0.439 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3122025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

73 Prospect St

3 bd · 1.5 ba · 2,398 sqft · 0.269 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$126,300Dec 1988 $5,5402025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

74 Prospect St

3 bd · 2 ba · 1,444 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$178,600Oct 2011 $5,3692025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

91 Prospect St

4 bd · 2.5 ba · 1,190 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Feb 2025 $3,0832025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

107 Prospect St

3 bd · 1 ba · 1,132 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jan 2023 $4,1562025 Amount on Record Oct 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

127 Prospect St

3 bd · 1 ba · 1,204 sqft · 5.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,9362025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

149 Prospect St

3 bd · 2 ba · 1,640 sqft · 1.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$248,000Nov 2014 $5,6002025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

151 Prospect St

0.78 acres

Last Sale Tax Bill Prior Sale Owner Records
$1752025 2 Names on Record AssessorUpdated Jul 2026

153 Prospect St

3 bd · 2.5 ba · 2,080 sqft · 2.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$6722025 2 Names on Record AssessorUpdated Jul 2026

175 Prospect St

4 bd · 1.5 ba · 1,340 sqft · 1.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$138,900Jul 1999 $5,3272025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

193 Prospect St

3 bd · 2.5 ba · 1,598 sqft · 2.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Oct 2021 $7,1942025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

214 Prospect St

3 bd · 2 ba · 1,340 sqft · 0.789 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,0792025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

215 Prospect St

2 bd · 3.5 ba · 2,370 sqft · 1.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$284,500Aug 2013 $7,3972025 Amount on Record Jun 2010 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

232 Prospect St

2 bd · 1 ba · 1,232 sqft · 0.839 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jan 2021 $4,4172025 Amount on Record Apr 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

248 Prospect St

4 bd · 2 ba · 1,940 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$70,000Aug 1993 $5,8282025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

251 Prospect St

3 bd · 3 ba · 2,268 sqft · 1.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Oct 2004 $7,2292025 Amount on Record Nov 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

258 Prospect St

3 bd · 1 ba · 1,740 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jan 2025 $2,5972025 Amount on Record Jul 2024 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

268 Prospect St

3 bd · 2 ba · 2,302 sqft · 1.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Nov 2021 $5,4352025 Amount on Record Oct 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

273 Prospect St

3 bd · 3 ba · 2,749 sqft · 0.919 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$279,000Nov 2005 1 Name on Record AssessorUpdated Jul 2026

274 Prospect St

2 bd · 1.5 ba · 994 sqft · 0.53 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$179,000May 2018 $4,5402025 Amount on Record Jan 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

280 Prospect St

2 bd · 1 ba · 1,626 sqft · 1 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$4,8302025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

293 Prospect St

2 bd · 1 ba · 1,040 sqft · 1.86 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,500Jun 2009 $5,1592025 Amount on Record May 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

308 Prospect St

3 bd · 2 ba · 1,296 sqft · 2.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jun 2026 $5,3422025 Amount on Record Jan 2025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

311 Prospect St

3 bd · 2.5 ba · 1,820 sqft · 1.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,8862025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

350 Prospect St

2 bd · 1.5 ba · 1,849 sqft · 26.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7152025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

385 Prospect St

4 bd · 3.5 ba · 2,448 sqft · 1.7 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$239,000Nov 2004 $8,5952025 Amount on Record Feb 2002 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

400 Prospect St

3 bd · 2 ba · 1,996 sqft · 40.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Nov 1998 $7,3702025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

401 Prospect St

3 bd · 2.5 ba · 2,300 sqft · 1.6 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$135,000Apr 1990 $7,2372025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

415 Prospect St

4 bd · 2 ba · 1,574 sqft · 1.01 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,6252025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

423 Prospect St

3 bd · 1 ba · 1,144 sqft · 1.38 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$93,950May 1998 $4,7102025 1 Name on Record AssessorUpdated Jul 2026

424 Prospect St

3 bd · 2 ba · 1,470 sqft · 1.38 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$308,000Sep 2022 $5,9062025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

429 Prospect St

3 bd · 2.5 ba · 2,232 sqft · 2.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$219,900Nov 2001 $6,5752025 Amount on Record Mar 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

450 Prospect St

0.869 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,9082025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

451 Prospect St

1.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,000May 2019 $2,0862025 Amount on Record Oct 2000 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

455 Prospect St

3 bd · 2 ba · 1,560 sqft · 2.03 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,5202025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

460 Prospect St

3 bd · 2 ba · 2,236 sqft · 22.7 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$47,000Jun 1994 $9,7412025 1 Name on Record AssessorUpdated Jul 2026

461 Prospect St

10.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,500Mar 2020 $2,4592025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

467 Prospect St

3 bd · 1 ba · 1,781 sqft · 1.91 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,9812025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

480 Prospect St

3 bd · 2 ba · 2,067 sqft · 6.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,9212025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

481 Prospect St

3 bd · 3 ba · 2,625 sqft · 1.83 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,6502025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

500 Prospect St

3 bd · 1.5 ba · 1,792 sqft · 4.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,4302025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

505 Prospect St

3 bd · 2 ba · 1,712 sqft · 1.46 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Nov 2017 $5,5802024 —Aug 2017 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

505A Prospect St

3,131 sqft · Built 1960 · 1.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 2013 $4,4092024 2 Names on Record AssessorUpdated Jul 2026

525 Prospect St

1 bd · 1 ba · 11,220 sqft · 9.05 acres

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

540 Prospect St

3 bd · 1 ba · 1,705 sqft · 4.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,1642025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

601 Prospect St

3 bd · 3.5 ba · 2,846 sqft · 5.8 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$700,000Feb 2024 $10,5362025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

605 Prospect St

3 bd · 2.5 ba · 2,147 sqft · 4.85 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$10,2172025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

617 Prospect St

7.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Apr 2002 $1,6242025 2 Names on Record AssessorUpdated Jul 2026

625 Prospect St

4.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$9702025 1 Name on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets