4th Ave, Ottawa, IL Property Records

LaSalle County property records for 46 addresses on 4th Ave, Ottawa, IL · Last verified August 2026

4th Ave Highlights

Properties 46
Median Sale Price $135,000
Deeds and Mortgages on File 56
Median Price per Sqft $121
Owner Occupied 83%
Median Annual Tax Bill $4,955
Median Year Built 1928
Median Ownership Tenure 5 years

Properties on 4th Ave

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

401 4th Ave

2,223 sqft · Built 1920 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$77,000May 2014 $5,1952025 —May 2013 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

407 4th Ave

1,996 sqft · Built 1928 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$229,000Dec 2025 $8,1472025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

412 4th Ave

2,217 sqft · Built 1935 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000Oct 2018 $5,9472025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

414 4th Ave

1,152 sqft · Built 1905 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2026 $5,5042025 Sale Amount May 2018 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

415 4th Ave

1,461 sqft · Built 1904 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,000Aug 2016 $5,2162025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

416 4th Ave

1,292 sqft · Built 1917 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Mar 2020 $3,9822025 Sale Amount Aug 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

417 4th Ave

1,248 sqft · Built 1956 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2024 $5,6212025 Sale Amount Apr 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

420 4th Ave

1,616 sqft · Built 1924 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4432025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

425 4th Ave

1,189 sqft · Built 1922 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,7952025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

427 4th Ave

1,302 sqft · Built 1924 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$157,000Apr 2019 $5,1402025 Sale Amount Oct 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

428 4th Ave

1,989 sqft · Built 1926 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$157,000Aug 2007 $6,6972025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

429 4th Ave

1,606 sqft · Built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,000May 2011 $6,8232025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

430 4th Ave

1,127 sqft · Built 1952 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Oct 2023 $4,9552025 Sale Amount Apr 2023 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

431 4th Ave

1,458 sqft · Built 1926 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,000Dec 2019 $5,8022025 Sale Amount Nov 2018 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

432 4th Ave

1.5 ba · 1,570 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$132,000Sep 2013 $5,9562025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

433 4th Ave

1,101 sqft · Built 1904 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$96,000Jan 2017 $4,1272025 Sale Amount Jun 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

434 4th Ave

1,596 sqft · Built 1953 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4422025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

435 4th Ave

1,188 sqft · Built 1940 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,2142025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

436 4th Ave

1,174 sqft · Built 1935 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Mar 2022 $4,7172025 Sale Amount Dec 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

439 4th Ave

1 ba · 1,162 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,4052025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

440 4th Ave

1,032 sqft · Built 1928 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$97,500Mar 2016 $4,2492025 Sale Amount Feb 2010 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

444 4th Ave

1,456 sqft · Built 1900 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,500Feb 2022 $2,8262025 Sale Amount Feb 2006 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

501 4th Ave

980 sqft · Built 1956 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,500Oct 2018 $2,6622025 Sale Amount Sep 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

504 4th Ave

1 ba · 1,194 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6262025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

506 4th Ave

936 sqft · Built 1929 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000May 2024 $2,0762025 Sale Amount Jun 2021 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

511 4th Ave

832 sqft · Built 1925 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0162025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

513 4th Ave

1,344 sqft · Built 1905 · 0.169 acres

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

515 4th Ave

1,744 sqft · Built 1890 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1042025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

517 4th Ave, #519

1,728 sqft · Built 1979 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Jul 2021 $5,7622025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

520 4th Ave

928 sqft · Built 1949 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,0432025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

522 4th Ave

985 sqft · Built 1950 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$161,000Dec 2024 $4,3882025 Sale Amount Aug 2014 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

523 4th Ave

1,380 sqft · Built 1950 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,9522025 2 Names on Record AssessorUpdated Aug 2026

526 4th Ave

1,021 sqft · Built 1865 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$7662025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

528 4th Ave

1,330 sqft · Built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$84,000Mar 2018 $3,4602025 Sale Amount Mar 2007 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

529 4th Ave

1,080 sqft · Built 1980 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,8352025 1 Name on Record AssessorUpdated Jul 2026

530 4th Ave

632 sqft · Built 1890 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Jun 2026 $2,8462025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

537 4th Ave

1,233 sqft · Built 1950 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,8952025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

538 4th Ave

1,206 sqft · Built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$146,500Feb 2021 $4,1062025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

606 4th Ave

1,008 sqft · Built 1920 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3052025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

609 4th Ave

864 sqft · Built 1979 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jul 2021 $4,1802025 Sale Amount May 2015 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

613 4th Ave

1,890 sqft · Built 2004 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,5722025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

616 4th Ave

878 sqft · Built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8182025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

617 4th Ave

0.169 acres

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

618 4th Ave

1,642 sqft · Built 1915 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$111,500Nov 2024 $2,5302025 Sale Amount Nov 2024 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

702 4th Ave

1,360 sqft · Built 1920 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,6622025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

706 4th Ave

1,033 sqft · Built 1950 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1282025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

Property Records in Nearby Streets