Hillside Ave, Naugatuck, CT Property Records

Naugatuck Borough property records for 75 addresses on Hillside Ave, Naugatuck, CT · Last verified August 2026

Hillside Ave Highlights

Properties 75
Median Sale Price $310,000
Deeds and Mortgages on File 90
Median Price per Sqft $138
Owner Occupied 72%
Median Annual Tax Bill $7,676
Median Year Built 1910
Median Ownership Tenure 7 years

Properties on Hillside Ave

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

16 Hillside Ave

5 bd · 3.5 ba · 4,649 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Mar 2006 $16,4112025 Amount on Record Nov 1996 1 Name on Record AssessorUpdated Jul 2026

18 Hillside Ave

5 bd · 3 ba · 3,173 sqft · 0.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$162,500Aug 2019 $8,6402025 Amount on Record Feb 1999 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

19 Hillside Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,4022025 1 Name on Record AssessorUpdated Jul 2026

29 Hillside Ave

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jun 2023 $2,9722025 Amount on Record Oct 2007 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

51 Hillside Ave

55,294 sqft · Built 1960 · 1.46 acres

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

100 Hillside Ave

8,600 sqft · Built 1890 · 0.86 acres

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

142 Hillside Ave

3 bd · 2 ba · 1,000 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$170,000Jan 2018 $6,4232025 Amount on Record Jul 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

148 Hillside Ave

3 bd · 1.5 ba · 1,758 sqft · 0.48 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$219,000Jan 2021 $6,1672025 Amount on Record Sep 2007 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

158 Hillside Ave

6 bd · 4 ba · 2,881 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,6152025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

165 Hillside Ave

4 bd · 4 ba · 2,324 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$223,000Apr 2011 $8,4092025 Amount on Record May 2006 2 Names on Record AssessorUpdated Jul 2026

166 Hillside Ave

2 bd · 1.5 ba · 1,092 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,000Nov 2009 $5,5712025 Amount on Record Oct 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

177 Hillside Ave

3 bd · 1.5 ba · 1,699 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,0132025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

180 Hillside Ave

4 bd · 2 ba · 2,394 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$310,000Dec 2022 $7,8022025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

189 Hillside Ave

2 bd · 1 ba · 1,240 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$212,500Sep 2005 $5,6602025 Amount on Record Feb 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

190 Hillside Ave

3 bd · 2.5 ba · 2,422 sqft · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$284,000Dec 2009 $7,4312025 Amount on Record Jul 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

195 Hillside Ave

3 bd · 2 ba · 1,592 sqft · 0.28 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$239,900Jun 2005 $7,7512025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

202 Hillside Ave

3 bd · 1.5 ba · 1,986 sqft · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Sep 2024 $7,4062025 Amount on Record Jan 2024 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

202A Hillside Ave

1,294 sqft · Built 1988 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2532025 1 Name on Record AssessorUpdated Jul 2026

216 Hillside Ave

3 bd · 1 ba · 1,628 sqft · 0.15 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,900Dec 2021 $7,0412025 Amount on Record Jul 2021 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

219 Hillside Ave

6 bd · 3.5 ba · 3,930 sqft · 0.619 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000Oct 2024 $12,2782025 Amount on Record Nov 2016 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

220 Hillside Ave

3 bd · 1 ba · 1,650 sqft · 0.16 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$6,0912025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

229 Hillside Ave

3 bd · 1.5 ba · 1,351 sqft · 0.15 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$109,000Feb 1998 $7,1692025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

230 Hillside Ave

4 bd · 1.5 ba · 2,522 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$310,000Nov 2022 $7,7292025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

239 Hillside Ave

3 bd · 1.5 ba · 1,353 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$130,500Sep 1997 $6,4122025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

240 Hillside Ave

4 bd · 1.5 ba · 2,009 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7242025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

248 Hillside Ave

6 bd · 3 ba · 4,575 sqft · 0.519 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$461,000Oct 2007 $14,4842025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

249 Hillside Ave

3 bd · 1.5 ba · 1,386 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jul 2021 $6,5322025 Amount on Record Jul 2017 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

256 Hillside Ave

5 bd · 2.5 ba · 2,335 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$165,900Jun 1988 $9,8292025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

259 Hillside Ave

4 bd · 2 ba · 2,350 sqft · 0.28 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$267,000Mar 2015 $9,2222025 Amount on Record Jun 2013 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

260 Hillside Ave

5 bd · 3 ba · 2,978 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$332,500Sep 2006 $7,8822025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

266 Hillside Ave

4 bd · 2 ba · 1,996 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$215,000Jan 2022 $6,0892025 Amount on Record Dec 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

272 Hillside Ave

2 bd · 2 ba · 1,327 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$182,000Apr 2018 $7,8072025 Amount on Record Sep 1999 1 Name on Record Owner Occupied Assessor + 7 DocumentsUpdated Jul 2026

284 Hillside Ave

3 bd · 2.5 ba · 1,920 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000Apr 2011 $8,8912025 Amount on Record Mar 2006 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

285 Hillside Ave

3 bd · 2 ba · 2,042 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$267,000Feb 2025 $5,7682025 Amount on Record May 2018 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

289 Hillside Ave

3 bd · 1.5 ba · 1,651 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$122,000Jul 2000 $6,0552025 Amount on Record Aug 1996 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

298 Hillside Ave

9 bd · 5 ba · 4,795 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Aug 2020 $11,8102025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

301 Hillside Ave

4 bd · 1 ba · 2,392 sqft · 0.589 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$151,000Aug 1997 $7,3452025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

304 Hillside Ave

6 bd · 2 ba · 2,175 sqft · 0.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$94,500Sep 2015 $6,1282025 —Feb 2015 2 Names on Record AssessorUpdated Jul 2026

310 Hillside Ave

0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000Dec 2025 $9,1412025 —Jun 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

311 Hillside Ave

4 bd · 1.5 ba · 2,160 sqft · 0.519 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,2922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

318 Hillside Ave

7 bd · 3 ba · 3,497 sqft · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$188,000Jun 2010 $7,8852025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

319 Hillside Ave

3 bd · 2 ba · 2,056 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Sep 2025 $6,7402025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

321 Hillside Ave

3 bd · 1.5 ba · 1,293 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,000Aug 2010 $6,1862025 Amount on Record Jan 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

324 Hillside Ave

4 bd · 2 ba · 2,298 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,000Apr 2021 $7,8572025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

325 Hillside Ave

6 bd · 3 ba · 2,758 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$174,000Apr 2020 $7,9162025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

330 Hillside Ave

4 bd · 2 ba · 2,345 sqft · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2172025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

331 Hillside Ave

4 bd · 1.5 ba · 2,057 sqft · 0.369 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$245,000Feb 2026 $6,3892025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

337 Hillside Ave

4 bd · 2 ba · 1,898 sqft · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7042025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

338 Hillside Ave

4 bd · 2 ba · 2,341 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Jul 2022 $8,3142025 Amount on Record Apr 1989 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

343 Hillside Ave

3 bd · 1 ba · 1,415 sqft · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9272025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

344 Hillside Ave

4 bd · 2 ba · 1,932 sqft · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,000Jan 2018 $5,7632025 —Apr 2017 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

348 Hillside Ave

3 bd · 1 ba · 1,064 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,7102025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

360 Hillside Ave

3 bd · 2 ba · 1,893 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$394,000Jan 2025 $5,2862025 Amount on Record Oct 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

362 Hillside Ave

2 bd · 2 ba · 1,718 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Aug 2022 $6,3142025 Amount on Record — 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

365 Hillside Ave

4 bd · 2.5 ba · 1,774 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 2019 $6,0722025 Amount on Record Jan 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

369 Hillside Ave

3 bd · 2 ba · 1,481 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$301,000Mar 2024 $6,3482025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

374 Hillside Ave

3 bd · 1 ba · 1,582 sqft · 0.319 acres · Garage

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

375 Hillside Ave

3 bd · 1.5 ba · 1,315 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$38,000Feb 1998 $5,1612025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

386 Hillside Ave

3 bd · 2 ba · 1,713 sqft · 0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
$281,000Feb 2007 $7,2562025 Amount on Record Nov 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

397 Hillside Ave

3 bd · 2 ba · 1,664 sqft · 0.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,0302025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

402 Hillside Ave

3 bd · 2 ba · 1,724 sqft · 1.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Apr 2020 $11,8292025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

405 Hillside Ave

3 bd · 2 ba · 1,662 sqft · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,3952025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

422 Hillside Ave

4 bd · 4 ba · 3,630 sqft · 1.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$249,010Oct 2012 $12,9662025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

435 Hillside Ave

3 bd · 3 ba · 3,188 sqft · 1.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,1272025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

444 Hillside Ave

4 bd · 2.5 ba · 3,589 sqft · 1.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,9742025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

464 Hillside Ave

3 bd · 2 ba · 2,010 sqft · 1.53 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Jan 1996 $8,6932025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

485 Hillside Ave

7 bd · 5 ba · 5,369 sqft · 1.26 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$162,000Nov 2019 $18,6032025 Amount on Record Nov 2001 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

500 Hillside Ave

4 bd · 4 ba · 3,504 sqft · 1.36 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jun 2024 $12,3502025 Amount on Record Jul 1998 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

524 Hillside Ave

6 bd · 5 ba · 3,112 sqft · 1.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Dec 2019 $10,7482025 Amount on Record Jul 2002 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

536 Hillside Ave

5 bd · 3.5 ba · 2,689 sqft · 1.36 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,7852025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

552 Hillside Ave

4 bd · 1.5 ba · 2,016 sqft · 0.98 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Apr 2024 $8,9272025 Amount on Record Feb 2022 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

561 Hillside Ave

5 bd · 3.5 ba · 3,829 sqft · 0.91 acres

Last Sale Tax Bill Prior Sale Owner Records
$387,500Dec 2021 $11,2502025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

577 Hillside Ave

3 bd · 1.5 ba · 1,730 sqft · 0.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$262,500May 2003 $7,6762025 Amount on Record Nov 1999 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

580 Hillside Ave

3 bd · 1 ba · 1,248 sqft · 0.41 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jun 2004 $5,6602025 Amount on Record Mar 1998 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

590 Hillside Ave

3 bd · 2 ba · 1,534 sqft · 0.28 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$216,500Aug 2004 $7,8462025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

Property Records in Nearby Streets