S Mason Ave, Alsip, IL Property Records

Cook County property records for 22 addresses on S Mason Ave, Alsip, IL · Last verified June 2026

S Mason Ave Highlights

Properties 22
Median Sale Price $279,000
Deeds and Mortgages on File 33
Median Price per Sqft $209
Owner Occupied 91%
Median Annual Tax Bill $6,823
Median Year Built 1976
Median Ownership Tenure 9 years

Properties on S Mason Ave

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

12530 S Mason Ave

4 bd · 2.5 ba · 2,758 sqft · built 1974 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,1862023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12540 S Mason Ave

3 bd · 1.5 ba · 1,156 sqft · built 1976 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$298,000Feb 2024 $6,3262023 —May 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12546 S Mason Ave

4 bd · 3 ba · 1,712 sqft · built 1975 · 0.176 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,6282023 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

12550 S Mason Ave

3 bd · 1.5 ba · 1,411 sqft · built 1985 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$228,000May 2004 $4,3982023 —Jul 2003 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12551 S Mason Ave

5 bd · 3.5 ba · 3,103 sqft · built 1976 · 0.277 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,666Apr 1994 $10,2612023 —Apr 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12557 S Mason Ave

6 bd · 3.5 ba · 3,701 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Feb 2026 $10,8382023 —Nov 2019 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12558 S Mason Ave

3 bd · 1.5 ba · 1,196 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Jun 2012 $6,3562023 —Sep 2011 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12563 S Mason Ave

3 bd · 2.5 ba · 2,433 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,3272023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12564 S Mason Ave

3 bd · 1.5 ba · 1,233 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,3192023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12604 S Mason Ave

3 bd · 3 ba · 1,552 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000May 2024 $7,0292023 Amount on Record Oct 2017 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12605 S Mason Ave

4 bd · 2.5 ba · 2,600 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$237,000Oct 2002 $8,6282023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12609 S Mason Ave

3 bd · 1 ba · 1,272 sqft · built 1977 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$179,000Jan 2001 $6,0492023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12610 S Mason Ave

3 bd · 1.5 ba · 1,196 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$279,000Jul 2018 $6,8232023 Amount on Record Aug 2004 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12616 S Mason Ave

3 bd · 1.5 ba · 1,196 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2017 $5,8702023 —Sep 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12617 S Mason Ave

3 bd · 1.5 ba · 1,822 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Sep 2021 $8,0262023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12622 S Mason Ave

3 bd · 2 ba · 1,196 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Sep 2003 $6,8232023 —May 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12628 S Mason Ave

3 bd · 1.5 ba · 1,196 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Mar 2022 $7,8202023 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12634 S Mason Ave

3 bd · 1 ba · 1,196 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2017 $6,2222023 Amount on Record Dec 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12640 S Mason Ave

4 bd · 2 ba · 2,056 sqft · built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000May 2006 $8,3272023 —May 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12646 S Mason Ave

3 bd · 1.5 ba · 1,550 sqft · built 1976 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$264,500Jul 2020 $6,6272023 Amount on Record Oct 2004 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12656 S Mason Ave

4 bd · 2 ba · 2,344 sqft · built 1976 · 0.268 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,1312023 1 Name on Record AssessorUpdated Jun 2026

12657 S Mason Ave

4 bd · 2.5 ba · 2,556 sqft · built 1976 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9432023 —Jun 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Wildfire Risk on S Mason Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets