E Union St, Seneca, IL Property Records

LaSalle County property records for 65 addresses on E Union St, Seneca, IL · Last verified August 2026

E Union St Highlights

Properties 65
Median Sale Price $180,000
Deeds and Mortgages on File 74
Median Price per Sqft $116
Owner Occupied 77%
Median Annual Tax Bill $3,194
Median Year Built 1961
Median Ownership Tenure 8 years

Properties on E Union St

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

120 E Union St

1.5 ba · 1,109 sqft · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5622025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

121 E Union St

2 ba · 1,286 sqft · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9352025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

122 E Union St

1 ba · 1,550 sqft · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3122025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

126 E Union St

2 ba · 1,624 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000Jan 2026 $1,6952025 Sale Amount Oct 2013 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

129 E Union St

1.5 ba · 1,256 sqft · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Apr 2008 $1,6112025 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

132 E Union St

1 ba · 1,799 sqft · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jun 2018 $2,7552025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

133 E Union St

2.5 ba · 2,112 sqft · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Oct 2018 $5,0482025 Sale Amount Feb 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

138 E Union St

1 ba · 1,249 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$158,000Dec 2022 $2,1012025 —Sep 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

139 E Union St

1 ba · 1,104 sqft · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5972025 2 Names on Record AssessorUpdated Jul 2026

145 E Union St

2 ba · 1,650 sqft · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2023 $3,8852025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

151 E Union St

2 ba · 1,357 sqft · 0.435 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,9752025 2 Names on Record AssessorUpdated Jul 2026

152 E Union St

1 ba · 1,155 sqft · 0.29 acres

Last Sale Tax Bill Prior Sale Owner Records
$167,000Jul 2019 $1,0612025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

163 E Union St

1 ba · 1,040 sqft · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000May 2018 $1,8222025 Sale Amount Mar 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

168 E Union St

2 ba · 1,680 sqft · 0.815 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7132025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

169 E Union St

2 ba · 2,395 sqft · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Oct 2021 $3,8892025 Sale Amount May 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

175 E Union St

1 ba · 1,636 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$68,000Dec 2025 $2,5642025 Sale Amount Sep 2024 1 Name on Record Assessor + 7 DocumentsUpdated Jul 2026

180 E Union St

2 ba · 1,631 sqft · 0.361 acres

Last Sale Tax Bill Prior Sale Owner Records
$66,500Jun 2010 $2,7292025 Sale Amount Jun 2009 1 Name on Record AssessorUpdated Jul 2026

204 E Union St

1 ba · 824 sqft · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Apr 2005 $1,4072025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

207 E Union St

1 ba · 1,075 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Oct 2025 $2,4912025 —Feb 2024 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

214 E Union St

1.5 ba · 2,284 sqft · 1.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Dec 2016 $2,3532024 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

215 E Union St

1.5 ba · 1,394 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$229,000Aug 2022 $4,9962025 Sale Amount Jun 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

217 E Union St

3 ba · 1,740 sqft · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$233,000Jun 2012 $6,1742025 Sale Amount Jan 2008 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

221 E Union St

2 ba · 1,499 sqft · 0.245 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jun 2018 $2,2092025 Sale Amount Jun 2015 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

225 E Union St

1.5 ba · 1,740 sqft · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,000May 2006 $4,2002025 1 Name on Record AssessorUpdated Jul 2026

227 E Union St

1.5 ba · 1,196 sqft · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,500Oct 2021 $2,4832025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

238 E Union St

1.5 ba · 1,421 sqft · 0.489 acres

Last Sale Tax Bill Prior Sale Owner Records
$93,000Oct 2015 $2,6972025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

246 E Union St

2 ba · 1,584 sqft · 0.252 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4302025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

252 E Union St

2 ba · 1,760 sqft · 0.253 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2282025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

260 E Union St

2 ba · 1,564 sqft · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,7502025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

261 E Union St

1 ba · 1,276 sqft · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$126,000Jul 2018 $2,3462025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

262 E Union St

1.5 ba · 2,109 sqft · 0.567 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Dec 2021 $5,1652025 Sale Amount Nov 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

265 E Union St

1 ba · 836 sqft · 0.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1262025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

282 E Union St

2 ba · 1,540 sqft · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jan 2025 $3,7372025 Sale Amount Jul 2020 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

283 E Union St

1.5 ba · 2,377 sqft · 0.356 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9262025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

293 E Union St

1 ba · 1,614 sqft · 0.221 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Aug 2020 $3,1572025 Sale Amount Jul 2015 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

301 E Union St

2.5 ba · 2,275 sqft · 0.539 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Jul 2014 $6,9962025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

309 E Union St

1 ba · 1,428 sqft · 0.295 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0842025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

317 E Union St

2 ba · 1,344 sqft · 0.307 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,000Mar 2026 $3,8252025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

327 E Union St

2 ba · 1,697 sqft · 0.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jan 2022 $6,2522025 Sale Amount Oct 2010 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

342 E Union St

2 ba · 1,864 sqft · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9492025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

343 E Union St

1.5 ba · 1,350 sqft · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,500Sep 2009 $2,6082025 2 Names on Record AssessorUpdated Jul 2026

349 E Union St

1.5 ba · 1,092 sqft · 0.283 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Sep 2016 $2,2922025 Sale Amount Dec 2009 1 Name on Record AssessorUpdated Jul 2026

350 E Union St

2 ba · 1,344 sqft · 0.242 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5242025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

357 E Union St

2 ba · 1,408 sqft · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Aug 2021 $4,5252025 Sale Amount Feb 2006 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

367 E Union St

2 ba · 1,278 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,2542025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

373 E Union St

2 ba · 1,652 sqft · 0.461 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2132025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

378 E Union St

1 ba · 1,150 sqft · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$252,000Aug 2025 $2,9062025 Sale Amount Jul 2005 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

413 E Union St

2 ba · 1,828 sqft · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$147,000Sep 2016 $3,5942025 —Sep 2015 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

417 E Union St

2 ba · 1,296 sqft · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2024 $3,7102025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

425 E Union St

2.5 ba · 1,940 sqft · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,1132025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

435 E Union St

2 ba · 1,552 sqft · 0.307 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5782025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

441 E Union St

1 ba · 1,680 sqft · 0.309 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,1942025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

445 E Union St

2 ba · 2,027 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jun 2018 $5,0062025 Sale Amount Jan 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

451 E Union St

2 ba · 2,092 sqft · 0.311 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9242025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

457 E Union St

2 ba · 1,792 sqft · 0.313 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1442025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

463 E Union St

2 ba · 2,892 sqft · 0.314 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8882025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

483 E Union St

2.5 ba · 1,452 sqft · 0.316 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6052025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

485 E Union St

2 ba · 1,380 sqft · 0.317 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000Oct 2021 $3,2682025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

486 E Union St

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$1712025 1 Name on Record AssessorUpdated Jul 2026

487 E Union St

2 ba · 1,976 sqft · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$157,500Mar 2005 $4,1552025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

489 E Union St

1.5 ba · 1,740 sqft · 0.32 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Oct 2006 $4,2402025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

493 E Union St

2 ba · 1,346 sqft · 0.327 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5592025 1 Name on Record AssessorUpdated Jul 2026

495 E Union St

2 ba · 1,290 sqft · 0.318 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8172025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

497 E Union St

1.5 ba · 1,148 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,2592025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

524 E Union St

1,560 sqft · 8.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,1882025 1 Name on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets