Oscar Ave, Alton, IL Property Records

Madison County property records for 75 addresses on Oscar Ave, Alton, IL · Last verified October 2026

Oscar Ave Highlights

Properties 75
Median Sale Price $82,000
Deeds and Mortgages on File 77
Median Price per Sqft $91
Owner Occupied 76%
Median Annual Tax Bill $2,143
Median Year Built 1950
Median Ownership Tenure 6 years

Properties on Oscar Ave

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

3500 Oscar Ave

1 bd · 1 ba · 672 sqft · built 1947 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4082025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3501 Oscar Ave

2 bd · 1 ba · 608 sqft · built 1940 · 0.146 acres

Last Sale Tax Bill Prior Sale Owner Records
$78,000Jun 2024 $1,1392025 Amount on Record Sep 2018 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

3502 Oscar Ave

2 bd · 1 ba · 672 sqft · built 1947 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$98,500Apr 2026 $2,0792025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

3503 Oscar Ave

2 bd · 1 ba · 642 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000Oct 2019 $1,5702025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3504 Oscar Ave

3 bd · 1 ba · 870 sqft · built 1946 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8582025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

3505 Oscar Ave

3 bd · 1 ba · 1,128 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,4992025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3506 Oscar Ave

2 bd · 1 ba · 689 sqft · built 1947 · 0.127 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Apr 2010 $2,1342025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3507 Oscar Ave

1 bd · 1 ba · 992 sqft · built 1947 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6732025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3508 Oscar Ave

1 bd · 1 ba · 731 sqft · built 1934 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,000Dec 2023 $1,2212025 Amount on Record Aug 2023 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

3509 Oscar Ave

2 bd · 1 ba · 744 sqft · built 1947 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,000May 2016 $4092025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3510 Oscar Ave

1 bd · 2 ba · 980 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$38,000Jun 2026 $2,1432025 —Apr 2019 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

3513 Oscar Ave

1 bd · 1 ba · 746 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,2522025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

3514 Oscar Ave

2 bd · 1 ba · 728 sqft · built 1947 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8982025 Owner on Record AssessorUpdated Jul 2026

3515 Oscar Ave

1,516 sqft · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$4242025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

3516 Oscar Ave

1,291 sqft · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3152025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3517 Oscar Ave

3 bd · 1 ba · 966 sqft · built 1947 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9572025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3518 Oscar Ave

1 ba · 672 sqft · built 1947 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,000Aug 2026 $2,1722025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

3519 Oscar Ave

1 bd · 1 ba · 757 sqft · built 1947 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0602025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3520 Oscar Ave

1 bd · 1 ba · 858 sqft · built 1947 · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Dec 2020 $1,9622025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

3521 Oscar Ave

2 bd · 1 ba · 666 sqft · built 1944 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4622025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3522 Oscar Ave

3 bd · 1 ba · 903 sqft · built 1919 · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
$71,000Jul 2006 $2,6442025 Amount on Record Jun 2006 Owner on Record AssessorUpdated Oct 2026

3523 Oscar Ave

1 bd · 1 ba · 720 sqft · built 1947 · 0.147 acres

Last Sale Tax Bill Prior Sale Owner Records
$2522025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3524 Oscar Ave

2 bd · 1 ba · 722 sqft · built 1931 · 0.178 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,000Aug 2005 $2,2032025 Amount on Record — Owner on Record Owner Occupied AssessorUpdated Oct 2026

3525 Oscar Ave

2 bd · 1 ba · 672 sqft · built 1947 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,000Aug 2017 $1,2672025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3526 Oscar Ave

1 bd · 1 ba · 944 sqft · built 1947 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$74,000May 2010 $2,2242025 Amount on Record May 2006 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3527 Oscar Ave

1 bd · 1 ba · 873 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Nov 2022 $1,8992025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3528 Oscar Ave

3 bd · 2 ba · 1,190 sqft · built 1950 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,500Apr 2026 $2,9522025 Amount on Record Apr 2010 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

3529 Oscar Ave

2 bd · 1 ba · 690 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,000Sep 2016 $1,9782025 Owner on Record AssessorUpdated Jul 2026

3531 Oscar Ave

2 bd · 2 ba · 862 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Sep 2021 $2,5072025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

3532 Oscar Ave

1 bd · 1 ba · 964 sqft · built 1947 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6202025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3533 Oscar Ave

420 sqft · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$22,000Aug 2007 $9572025 Amount on Record Jul 2003 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

3535 Oscar Ave

2 bd · 1 ba · 768 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$44,000May 2017 $1,3202025 Amount on Record Apr 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3536 Oscar Ave

1 bd · 1 ba · 888 sqft · built 1962 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6692025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3537 Oscar Ave

2 bd · 2 ba · 1,112 sqft · built 1950 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$68,000Aug 2019 $1,8212025 —Jun 2015 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

3538 Oscar Ave

2 bd · 1 ba · 958 sqft · built 1965 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$9282025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3539 Oscar Ave

3 bd · 1 ba · 480 sqft · built 1946 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,500Feb 2023 $1,1712025 Amount on Record Nov 2010 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

3541 Oscar Ave

1 bd · 1 ba · 658 sqft · built 1947 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000May 2025 $2,0132025 Amount on Record Mar 2012 Owner on Record AssessorUpdated Oct 2026

3542 Oscar Ave

2 bd · 1 ba · 900 sqft · built 1947 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8862025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3543 Oscar Ave

2 bd · 1 ba · 660 sqft · built 1921 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,000Jun 2005 $1,9872025 Amount on Record Feb 2005 2 Owners on Record AssessorUpdated Oct 2026

3544 Oscar Ave

3 bd · 1 ba · 1,520 sqft · built 1945 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2019 $2,7642025 Amount on Record — Owner on Record Assessor + 2 DocumentsUpdated Sep 2026

3545 Oscar Ave

2 bd · 1 ba · 817 sqft · built 1947 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Aug 2021 $7962025 Amount on Record Sep 2014 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

3546 Oscar Ave

2 bd · 1 ba · 884 sqft · built 1954 · 0.167 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 $1,9462025 —Jan 2026 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

3548 Oscar Ave

2 bd · 1 ba · 912 sqft · built 1947 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$73,000Jun 2025 $2,1602025 Amount on Record Apr 2023 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

3800 Oscar Ave

4 bd · 5 ba · 1,675 sqft · built 1960 · 0.393 acres

Last Sale Tax Bill Prior Sale Owner Records
$113,000Mar 2022 $3,8922025 Amount on Record Jan 2016 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3804 Oscar Ave

1 bd · 1 ba · 988 sqft · built 1958 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$2972025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3805 Oscar Ave

3 bd · 1 ba · 1,170 sqft · built 1954 · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3152025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3806 Oscar Ave

1 bd · 1 ba · 1,178 sqft · built 1954 · 0.295 acres

Last Sale Tax Bill Prior Sale Owner Records
$68,000Apr 2016 $2,6202025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3807 Oscar Ave

918 sqft · built 1958 · 0.177 acres

Last Sale Tax Bill Prior Sale Owner Records
$2462025 Owner on Record AssessorUpdated Jul 2026

3808 Oscar Ave

1 bd · 2 ba · 1,593 sqft · built 1957 · 0.295 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2024 $3,6992025 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

3809 Oscar Ave

4 bd · 1 ba · 1,040 sqft · built 1958 · 0.174 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3312025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3812 Oscar Ave

4 bd · 2 ba · 864 sqft · built 1960 · 0.393 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6902025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3813 Oscar Ave

2 bd · 1 ba · 960 sqft · built 1957 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,000Sep 2005 $9372025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3815 Oscar Ave

2 bd · 1 ba · 912 sqft · built 1958 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$56,500Mar 2020 $2,3832025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

3817 Oscar Ave

2 bd · 1 ba · 832 sqft · built 1960 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$136,000Apr 2025 $2,5092025 Amount on Record Aug 2007 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3818 Oscar Ave

4 bd · 4 ba · 679 sqft · built 1973 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000Dec 2009 $3,3932025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3819 Oscar Ave

1 bd · 1 ba · 792 sqft · built 1957 · 0.152 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3242025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3820 Oscar Ave

1 bd · 1 ba · 768 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Dec 2025 $2,8112025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3821 Oscar Ave

3 bd · 1 ba · 960 sqft · built 1958 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2026 $1,7612025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

3822 Oscar Ave

4 bd · 2 ba · 884 sqft · built 1958 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2023 $2,9692025 Amount on Record Oct 2010 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

3823 Oscar Ave

2 bd · 1 ba · 918 sqft · built 1958 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,1592025 2 Owners on Record Assessor + 2 DocumentsUpdated Oct 2026

3824 Oscar Ave

3 bd · 1 ba · 1,188 sqft · built 1954 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Mar 2009 $1,8562025 —Dec 2008 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

3825 Oscar Ave

3 bd · 1 ba · 1,096 sqft · built 1958 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5652025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

3826 Oscar Ave

3 bd · 1 ba · 1,230 sqft · built 1958 · 0.404 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Oct 2019 $3,0732025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3827 Oscar Ave

3 bd · 2 ba · 1,088 sqft · built 1958 · 0.188 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Feb 2024 $3,2822025 Amount on Record May 2021 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

3831 Oscar Ave

2 ba · 1,700 sqft · built 1972 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jan 2025 $5,2122025 Amount on Record Sep 2024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

3835 Oscar Ave

3 bd · 1 ba · 1,092 sqft · built 1957 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,000Apr 2022 $2,5742025 Amount on Record Jul 2016 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

3836 Oscar Ave

3 bd · 1 ba · 1,300 sqft · built 1959 · 0.607 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6282025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3837 Oscar Ave

2 bd · 2 ba · 960 sqft · built 1959 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8012025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

3838 Oscar Ave

3 bd · 1 ba · 884 sqft · built 1958 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Sep 2020 $2,7082025 Amount on Record Jul 2007 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3839 Oscar Ave

1 bd · 2 ba · 1,176 sqft · built 1960 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6012025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

3840 Oscar Ave

3 bd · 1 ba · 1,040 sqft · built 1963 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2022 $2,6262025 Amount on Record Jun 2019 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

3841 Oscar Ave

1 bd · 1 ba · 762 sqft · built 1980 · 0.197 acres

Last Sale Tax Bill Prior Sale Owner Records
$49,000Aug 2019 $2,2452025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3842 Oscar Ave

3 bd · 2 ba · 1,300 sqft · built 1958 · 0.292 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Mar 2014 $2,3002025 Amount on Record Dec 2006 Owner on Record Owner Occupied AssessorUpdated Oct 2026

3885 Oscar Ave

3 bd · 1 ba · 816 sqft · built 1957 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Mar 2025 $2,4652025 Amount on Record Dec 2017 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

3891 Oscar Ave

2 bd · 2 ba · 1,092 sqft · built 1965 · 0.382 acres

Last Sale Tax Bill Prior Sale Owner Records
$114,000May 2017 $3,9062025 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2026

Property Records in Nearby Streets