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Courtesy Ln, Des Plaines, IL Property Records

Cook County property records for 27 addresses on Courtesy Ln, Des Plaines, IL · Last verified August 2026

Courtesy Ln Highlights

Properties 27
Median Sale Price $350,000
Deeds and Mortgages on File 29
Median Price per Sqft $253
Owner Occupied 89%
Median Annual Tax Bill $7,354
Median Year Built 1968
Median Ownership Tenure 11 years

Properties on Courtesy Ln

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

410 Courtesy Ln

3 bd · 1.5 ba · 1,068 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000Jun 1999 $3,1862023 Amount on Record Apr 1997 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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411 Courtesy Ln

3 bd · 1.5 ba · 1,040 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$240,000Apr 2014 $7,2682023 —Feb 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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420 Courtesy Ln

3 bd · 1.5 ba · 1,040 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$290,000Dec 2018 $7,2682023 Amount on Record Sep 2014 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

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421 Courtesy Ln

3 bd · 1.5 ba · 1,459 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$345,000Oct 2023 $1,7982023 —Aug 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

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430 Courtesy Ln

3 bd · 1.5 ba · 1,040 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Mar 2010 $6,4022023 —Dec 2003 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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431 Courtesy Ln

4 bd · 2.5 ba · 1,459 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$212,500Nov 2011 $7,6092023 —Nov 2010 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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440 Courtesy Ln

4 bd · 2.5 ba · 1,595 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $7,8622023 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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441 Courtesy Ln

3 bd · 1.5 ba · 1,161 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$240,000Jul 2012 $8,3612023 Amount on Record Jan 2012 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

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442 Courtesy Ln

4 bd · 2.5 ba · 1,848 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$375,000Apr 2018 $7,6912023 Amount on Record Apr 2010 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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443 Courtesy Ln

3 bd · 1.5 ba · 1,378 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Sep 2021 $8,4132023 Amount on Record Jul 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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445 Courtesy Ln

4 bd · 2.5 ba · 1,470 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$385,000Jan 2021 $8,2562023 —Feb 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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446 Courtesy Ln

4 bd · 2.5 ba · 1,470 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$245,000Feb 2010 $8,0812023 Amount on Record Mar 2006 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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455 Courtesy Ln

3 bd · 1.5 ba · 1,391 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Sep 2004 $7,7742023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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456 Courtesy Ln

3 bd · 1.5 ba · 1,391 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$266,000Jul 2015 $7,3542023 Amount on Record Apr 2000 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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465 Courtesy Ln

3 bd · 1.5 ba · 1,386 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$337,500Apr 2015 $7,7742023 —Aug 2011 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

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466 Courtesy Ln

3 bd · 2 ba · 1,632 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jul 2015 $7,7952023 Amount on Record Apr 2015 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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475 Courtesy Ln

3 bd · 1.5 ba · 1,346 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$405,000Aug 2025 $3,5242023 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

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476 Courtesy Ln

4 bd · 1.5 ba · 1,386 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,6092023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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485 Courtesy Ln

3 bd · 1.5 ba · 1,350 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Oct 2017 $7,2692023 Amount on Record Apr 2006 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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486 Courtesy Ln

3 bd · 1 ba · 1,008 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,7102023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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495 Courtesy Ln

3 bd · 1.5 ba · 1,594 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,1022023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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496 Courtesy Ln

3 bd · 1.5 ba · 1,699 sqft · 0.167 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$317,500Mar 2003 $7,8622023 Amount on Record Aug 2000 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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505 Courtesy Ln

3 bd · 1.5 ba · 1,346 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$25,000Oct 2000 $6,7462023 —Oct 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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506 Courtesy Ln

3 bd · 1.5 ba · 1,454 sqft · 0.17 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,0872023 —Jul 2005 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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515 Courtesy Ln

4 bd · 2.5 ba · 1,586 sqft · 0.186 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Sep 2018 $8,2182023 —Dec 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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516 Courtesy Ln

3 bd · 1 ba · 1,346 sqft · 0.17 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,8482023 —May 2022 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

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526 Courtesy Ln

4 bd · 1.5 ba · 1,454 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1999 $7,1032023 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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Wildfire Risk on Courtesy Ln

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 of burnable land

Property Records in Nearby Streets