Iroquois County property records for 58 addresses on W Seminary Ave, Onarga, IL · Last verified September 2026
| Properties | 58 |
|---|---|
| Median Sale Price | $87,500 |
| Deeds and Mortgages on File | 39 |
| Owner Occupied | 64% |
| Median Annual Tax Bill | $1,824 |
| Median Ownership Tenure | 9 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
103 W Seminary Ave |
0.126 acres | $102,000 Sep 2021 | $2,670 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
105 W Seminary Ave |
0.08 acres | $140 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
107 1/2 W Seminary Ave |
0.083 acres | $61,000 Sep 2007 | $1,853 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
109 W Seminary Ave |
0.056 acres | $87,500 Jan 2025 | $325 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
111 W Seminary Ave |
0.072 acres | $87,500 Jan 2025 | $235 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
115 W Seminary Ave |
0.151 acres | $1,014 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
119 W Seminary Ave |
0.083 acres | $44,000 Jun 2015 | $1,239 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
120 W Seminary Ave |
0.15 acres | $2,303 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
121 W Seminary Ave |
0.083 acres | $35,000 May 2010 | $791 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
125 W Seminary Ave |
0.085 acres | $1,452 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
207 W Seminary Ave |
0.115 acres | $41,000 Aug 2013 | $392 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
301 W Seminary Ave |
0.232 acres | $2,135 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
302 W Seminary Ave |
0.474 acres | — Jun 2009 | $2,718 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
305 W Seminary Ave |
0.132 acres | $2,940 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
307 W Seminary Ave |
0.157 acres | $918 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
308 W Seminary Ave |
0.839 acres | $8,745 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
309 W Seminary Ave |
0.589 acres | — Aug 2017 | $18 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
400 W Seminary Ave |
0.423 acres | $111,800 May 2016 | $1,286 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
401 W Seminary Ave |
0.121 acres | $20,000 Jan 2009 | $969 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
403 W Seminary Ave |
$2,544 2022 | Assessor Updated Aug 2023 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
404 W Seminary Ave |
0.412 acres | $58,000 Nov 2020 | $1,795 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
406 W Seminary Ave |
0.41 acres | $65,000 Mar 2015 | $2,643 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
407 W Seminary Ave |
0.343 acres | $1,824 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
410 W Seminary Ave |
0.28 acres | $411,000 Apr 2021 | $3,081 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
411 W Seminary Ave |
0.34 acres | $60,000 Nov 2017 | $2,053 2025 | Assessor + 5 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
500 W Seminary Ave |
0.321 acres | $3,750 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
501 W Seminary Ave |
0.814 acres | $14 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
504 W Seminary Ave |
0.167 acres | $20,000 May 2010 | $1,650 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
507 W Seminary Ave |
0.185 acres | $9,000 Aug 2019 | $755 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
508 W Seminary Ave |
0.485 acres | $115,000 Aug 2024 | $3,629 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
509 W Seminary Ave |
0.407 acres | $2,735 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
541 W Seminary Ave |
69.3 acres | $714,000 Jan 2026 | $3,384 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
600 W Seminary Ave |
0.243 acres | $11,000 Jul 2021 | $5 2025 | Assessor + 4 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
601 W Seminary Ave |
0.352 acres | — Jul 2010 | $4,468 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
604 W Seminary Ave |
0.803 acres | $5 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
610 W Seminary Ave |
0.571 acres | $77,000 Apr 2023 | $2,296 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
611 W Seminary Ave |
0.703 acres | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
701 W Seminary Ave |
2.66 acres | $49,000 Oct 2014 | $2,758 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
706 W Seminary Ave |
0.509 acres | $1,050 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
708 W Seminary Ave |
0.273 acres | $37,500 Aug 2007 | $2,044 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
709 W Seminary Ave |
0.439 acres | $50,000 Dec 2021 | $1,755 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
711 W Seminary Ave |
0.5 acres | $2,932 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
712 W Seminary Ave |
0.438 acres | $497 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
714 W Seminary Ave |
0.293 acres | $229 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
715 W Seminary Ave |
0.489 acres | $47,500 Apr 2016 | $1,806 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
716 W Seminary Ave |
0.592 acres | $22,500 May 2013 | $1,087 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
717 W Seminary Ave |
0.36 acres | $107,000 Aug 2025 | $2,026 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
722 W Seminary Ave |
1.08 acres | $1,074 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
723 W Seminary Ave |
0.43 acres | $40,000 Feb 2009 | $1,306 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
814 W Seminary Ave |
0.446 acres | $2,579 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
816 W Seminary Ave |
0.459 acres | $630 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
819 W Seminary Ave |
5.5 acres | $82,500 Aug 2019 | $2,967 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
820 W Seminary Ave |
0.183 acres | $30,000 Jul 2021 | $351 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
900 W Seminary Ave |
0.75 acres | $2,746 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
904 W Seminary Ave |
0.75 acres | $74,900 Feb 2017 | $4,118 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
907 W Seminary Ave |
5 acres | $3,700 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
937 W Seminary Ave |
3.85 acres | $5,739 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1103 W Seminary Ave |
2.01 acres | $350,000 Jul 2015 | $9,482 2025 | Assessor Updated Aug 2026 | Owner on File |