Prospect St, Naugatuck, CT Property Records

Naugatuck Borough property records for 74 addresses on Prospect St, Naugatuck, CT · Last verified August 2026

Prospect St Highlights

Properties 74
Median Sale Price $265,000
Deeds and Mortgages on File 76
Median Price per Sqft $150
Owner Occupied 47%
Median Annual Tax Bill $6,002
Median Year Built 1949
Median Ownership Tenure 8 years

Properties on Prospect St

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

42 Prospect St

4 bd · 2 ba · 4,025 sqft · 0.71 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Feb 2020 $61,0512025 Amount on Record May 2013 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

47 Prospect St

0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Oct 2022 $1002025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

48 Prospect St

0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Nov 1999 $7022025 Amount on Record May 1994 1 Name on Record AssessorUpdated Jul 2026

51 Prospect St

0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Aug 2017 $7,4012025 Amount on Record Jun 2015 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

56 Prospect St

5 bd · 3 ba · 2,764 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$60,000Aug 2017 $7,2142025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

57 Prospect St

3 bd · 1.5 ba · 791 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$317,000Nov 2019 $3,3982025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

63 Prospect St

4 bd · 2 ba · 1,033 sqft · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$178,900Oct 2005 $4,7212025 Amount on Record Oct 2003 1 Name on Record AssessorUpdated Jul 2026

66 Prospect St

9 bd · 6 ba · 4,800 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Jun 2006 $12,4092025 Amount on Record Aug 2005 1 Name on Record AssessorUpdated Jul 2026

71 Prospect St

3 bd · 2 ba · 1,561 sqft · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Jun 2002 $4,8022025 Amount on Record Jun 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

72 Prospect St

3 bd · 1.5 ba · 1,640 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,0252025 1 Name on Record AssessorUpdated Jul 2026

73 Prospect St

0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Apr 1998 $12,9072025 2 Names on Record AssessorUpdated Jul 2026

83 Prospect St

14,136 sqft · Built 1960 · 1 acres

Last Sale Tax Bill Prior Sale Owner Records
$394,529Jun 2011 $48,1132025 Amount on Record Nov 1998 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

100 Prospect St

25,400 sqft · Built 1955 · 1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Oct 2016 $84,9432025 Amount on Record Oct 2004 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

101 Prospect St

1,488 sqft · Built 1900 · 0.21 acres

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

111 Prospect St

2 bd · 1 ba · 1,246 sqft · 5.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,0022025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

115 Prospect St

7 bd · 4 ba · 2,996 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Jul 2020 $5,9302025 Amount on Record Jun 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

118 Prospect St

0.88 acres

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

119 Prospect St

3 bd · 2 ba · 1,378 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jul 2026 $5,8602025 Amount on Record Oct 2025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

130 Prospect St

0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Jul 2023

150 Prospect St

5 bd · 1.5 ba · 1,662 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$41,500Jan 2013 $4,3312025 —Dec 2012 1 Name on Record AssessorUpdated Jul 2026

154 Prospect St

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jan 2007 $10,2362025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

166 Prospect St

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Nov 2006 $10,0662025 1 Name on Record AssessorUpdated Jul 2026

174 Prospect St

3 bd · 4 ba · 3,620 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Aug 2012 $10,6292025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

182 Prospect St

5 bd · 2 ba · 1,901 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,900Jun 2020 $5,5232025 Amount on Record Aug 2012 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

218 Prospect St

1,800 sqft · Built 1995 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Nov 1994 $10,3252025 1 Name on Record AssessorUpdated Jul 2026

224 Prospect St

6 bd · 4 ba · 2,664 sqft · 0.369 acres

Last Sale Tax Bill Prior Sale Owner Records
$319,900Jun 2021 $7,7542025 Amount on Record Jul 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

228 Prospect St

2 bd · 1 ba · 987 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Oct 2006 $4,6382025 1 Name on Record AssessorUpdated Jul 2026

236 Prospect St

2 bd · 1 ba · 1,282 sqft · 0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Oct 2002 $3,9382025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

244 Prospect St

3 bd · 2 ba · 1,041 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$66,000Sep 2022 $2,5712025 Amount on Record May 2014 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

253 Prospect St

2,870 sqft · Built 1956 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Dec 2018 $7,9522025 Amount on Record Dec 1988 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

255 Prospect St

3 bd · 1 ba · 1,426 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,2672025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

300 Prospect St

4 bd · 1.5 ba · 1,996 sqft · 0.36 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$165,000Apr 2020 $7,0502025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

308 Prospect St

5 bd · 3 ba · 3,020 sqft · 0.6 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$147,500Jun 2014 $9,2812025 Amount on Record Sep 1999 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

345 Prospect St

4 bd · 2 ba · 1,368 sqft · 0.1 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$347,000Oct 2024 $6,9862025 Amount on Record Jan 1992 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

360 Prospect St

4 ba · 15,720 sqft · 12.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$575,000Dec 1997 $25,5552025 1 Name on Record AssessorUpdated Jul 2026

369 Prospect St

3 bd · 1 ba · 1,080 sqft · 0.63 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$103,000Oct 2018 $6,1892025 Amount on Record Apr 2004 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

373 Prospect St

3 bd · 2 ba · 2,523 sqft · 0.519 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$160,000Dec 2020 $9,7012025 Amount on Record May 1990 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

377 Prospect St

3 bd · 1 ba · 1,379 sqft · 0.15 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$124,200Jul 2000 $5,4792025 Amount on Record Aug 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

387 Prospect St

3 bd · 1 ba · 1,957 sqft · 1.58 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$179,900Dec 2018 $7,6602025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

397 Prospect St

3 bd · 2 ba · 1,800 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jul 2024 $5,8662025 2 Names on Record Owner Occupied Assessor + 10 DocumentsUpdated Jul 2026

413 Prospect St

3 bd · 1 ba · 1,980 sqft · 1.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,9552025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

419 Prospect St

2 bd · 1 ba · 1,203 sqft · 0.35 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$114,000Jul 2000 $4,9222025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

439 Prospect St

3 bd · 1 ba · 1,348 sqft · 3 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,500Aug 2021 $5,7962025 Amount on Record Nov 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

442 Prospect St

2 bd · 1 ba · 1,306 sqft · 0.35 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$69,100Jan 2018 $4,7942025 —Jan 2015 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

444 Prospect St

3 bd · 1 ba · 1,194 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,2142025 2 Names on Record AssessorUpdated Jul 2026

450 Prospect St

0.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$265,000Sep 2022 $5,5152025 Amount on Record Apr 2002 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

452 Prospect St

3 bd · 1 ba · 1,176 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$63,000Aug 2015 $5,3952025 —Feb 2015 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

464 Prospect St

3 bd · 1.5 ba · 1,618 sqft · 0.45 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$345,000Apr 2025 $5,5982025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

474 Prospect St

1.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Jan 2024 $14,2112025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

496 Prospect St

2 bd · 1.5 ba · 1,034 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$187,425Apr 2025 $4,8322025 Amount on Record Oct 2007 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

504 Prospect St

5 bd · 2.5 ba · 2,028 sqft · 0.38 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$312,500Oct 2022 $8,3032025 Amount on Record Jun 1992 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

510 Prospect St

2 bd · 1 ba · 1,024 sqft · 0.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$55,000Aug 1994 $4,0832025 Amount on Record Aug 1990 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

514 Prospect St

2 bd · 1 ba · 1,010 sqft · 0.51 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$114,900Oct 2014 $5,3422025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

518 Prospect St

3 bd · 1 ba · 1,760 sqft · 1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$283,250Jul 2026 $5,2172025 Amount on Record Mar 2006 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

524 Prospect St

2 bd · 1.5 ba · 1,242 sqft · 1.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Nov 2018 $4,7822025 —Oct 2018 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

530 Prospect St

3 bd · 2 ba · 1,152 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,000Jan 2024 $5482023 Amount on Record Dec 2015 2 Names on Record Assessor + 1 DocumentUpdated Apr 2024

538 Prospect St

2 bd · 1 ba · 840 sqft · 1.29 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,2562025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

576 Prospect St

5,700 sqft · Built 1960 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,1552025 1 Name on Record AssessorUpdated Jul 2026

592 Prospect St

2,390 sqft · Built 1950 · 0.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Jul 2019 $6,8992025 Amount on Record Nov 2002 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

600 Prospect St

1.5 ba · 8,320 sqft · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Nov 2025 $14,5032025 Amount on Record Feb 2004 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

608 Prospect St

2,240 sqft · Built 1980 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Oct 2003 $6,5822025 1 Name on Record AssessorUpdated Jul 2026

628 Prospect St

1 ba · 5,000 sqft · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Feb 2009 $13,2502025 Amount on Record Jan 2006 1 Name on Record AssessorUpdated Jul 2026

772 Prospect St

2 ba · 6,037 sqft · 1.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Mar 1999 $32,1922025 1 Name on Record AssessorUpdated Jul 2026

783 Prospect St

3 bd · 1 ba · 1,012 sqft · 4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000May 2023 $4,8912025 Amount on Record Apr 2005 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

784 Prospect St

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,000Mar 2022 $6602025 Amount on Record Dec 1988 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

800 Prospect St

2 bd · 1 ba · 1,176 sqft · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Feb 1989 $5,1082025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

900 Prospect St

3 bd · 2 ba · 2,091 sqft · 1.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jun 2016 $9,1192025 Amount on Record Nov 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

909 Prospect St

8 ba · 6,864 sqft · 1.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,030,000Apr 2026 $28,9922025 Amount on Record Sep 2022 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

912 Prospect St

3 bd · 2.5 ba · 1,822 sqft · 0.65 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$8,0832025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

936 Prospect St

3 bd · 1 ba · 1,301 sqft · 0.48 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,5792025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

944 Prospect St

2 bd · 1 ba · 960 sqft · 0.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$40,000Oct 2018 $4,5402025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

946 Prospect St

2 bd · 1 ba · 1,848 sqft · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9992025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

966 Prospect St

2 bd · 1 ba · 1,309 sqft · 0.58 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$154,100Jul 2004 $6,2082025 Amount on Record Apr 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

974 Prospect St

2 bd · 1 ba · 984 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$160,000Jan 2017 $5,3732025 Amount on Record Mar 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

Property Records in Nearby Streets