Keswick Ln, Naperville, IL Property Records

DuPage County property records for 34 addresses on Keswick Ln, Naperville, IL · Last verified August 2026

Keswick Ln Highlights

Properties 34
Median Sale Price $255,000
Deeds and Mortgages on File 44
Median Price per Sqft $177
Owner Occupied 82%
Median Annual Tax Bill $5,383
Median Year Built 1974
Median Ownership Tenure 8 years

Properties on Keswick Ln

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

25W007 Keswick Ln

3 bd · 1.5 ba · 1,452 sqft · built 1975 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$216,666Apr 2017 $5,1562025 —Jan 2015 2 Owners on Record Assessor + 3 DocumentsUpdated Aug 2026

25W008 Keswick Ln

3 bd · 1.5 ba · 1,464 sqft · built 1974 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Dec 2021 $4,7752025 Amount on Record Dec 2013 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W009 Keswick Ln

3 bd · 1.5 ba · 1,452 sqft · built 1975 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,000Nov 2021 $5,3362025 Amount on Record May 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W010 Keswick Ln

1.5 ba · 1,464 sqft · built 1974 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Sep 2003 $5,1762025 Amount on Record Apr 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W011 Keswick Ln

1.5 ba · 1,480 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$243,013Jun 2018 $5,4792025 Amount on Record Mar 2004 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W012 Keswick Ln

1.5 ba · 1,444 sqft · built 1974 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Feb 2019 $5,3122025 Amount on Record Jun 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W013 Keswick Ln

1.5 ba · 1,480 sqft · built 1986 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$192,000Apr 2010 $5,4792025 Amount on Record Oct 2009 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W014 Keswick Ln

1.5 ba · 1,444 sqft · built 1974 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$132,000Oct 1998 $4,8682025 Amount on Record Dec 1994 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W015 Keswick Ln

1.5 ba · 1,422 sqft · built 1986 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,000Jun 2005 $5,2652025 Amount on Record Sep 1995 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W016 Keswick Ln

1.5 ba · 1,464 sqft · built 1974 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,000May 2026 $5,4202025 Amount on Record Jun 2008 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W017 Keswick Ln

1.5 ba · 1,422 sqft · built 1975 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$138,000Sep 2000 $3,4282025 Amount on Record Dec 1994 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W018 Keswick Ln

1.5 ba · 1,464 sqft · built 1974 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$311,000May 2022 $5,3832025 Amount on Record Dec 2019 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

25W025 Keswick Ln

1.5 ba · 1,346 sqft · built 1975 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$246,500May 2022 $5,2332025 Amount on Record Aug 2020 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

25W027 Keswick Ln

1.5 ba · 1,968 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 2015 $5,5562025 Amount on Record Apr 1994 2 Owners on Record AssessorUpdated Aug 2026

25W028 Keswick Ln

1.5 ba · 2,056 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Oct 2021 $5,7512025 Amount on Record Apr 1999 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

25W029 Keswick Ln

3 bd · 1.5 ba · 1,696 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,000Feb 2017 $5,7942025 Amount on Record Jun 2007 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

25W030 Keswick Ln

1.5 ba · 1,420 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000Apr 2019 $5,3362025 Amount on Record Oct 1994 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W031 Keswick Ln

1.5 ba · 1,804 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000May 2025 $5,4232025 Amount on Record Feb 2016 2 Owners on Record AssessorUpdated Aug 2026

25W032 Keswick Ln

3 bd · 1.5 ba · 1,352 sqft · built 1973 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Aug 2018 $5,1062025 Amount on Record Oct 2008 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W033 Keswick Ln

1.5 ba · 1,404 sqft · built 1986 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8782025 —Mar 2003 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W034 Keswick Ln

1.5 ba · 1,352 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,000Dec 2007 $5,1072025 Amount on Record Mar 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W035 Keswick Ln

2.5 ba · 1,962 sqft · built 1975 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$207,000Jul 2007 $5,7322025 Amount on Record Feb 1995 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W036 Keswick Ln

1.5 ba · 1,420 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,500Mar 2014 $5,7812025 Amount on Record Aug 2012 Owner on Record AssessorUpdated Aug 2026

25W037 Keswick Ln

3 bd · 1.5 ba · 1,352 sqft · built 1975 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$227,000Jan 2021 $5,1012025 Amount on Record Aug 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W038 Keswick Ln

1.5 ba · 2,056 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1996 $5,7412025 Amount on Record Nov 1994 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

25W039 Keswick Ln

1.5 ba · 1,352 sqft · built 1975 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Jun 2022 $5,2332025 Amount on Record Jul 2005 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W040 Keswick Ln

1.5 ba · 1,404 sqft · built 1973 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,000Nov 2002 $5,4082025 Amount on Record Nov 2001 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W041 Keswick Ln

1.5 ba · 1,420 sqft · built 1973 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,500Aug 2019 $5,3882025 Amount on Record Mar 2019 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

25W042 Keswick Ln

3 bd · 1.5 ba · 1,404 sqft · built 1973 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Sep 2023 $5,3892025 Amount on Record Feb 2019 2 Owners on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

25W043 Keswick Ln

1.5 ba · 2,056 sqft · built 1973 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Aug 2006 $5,7812025 Amount on Record Jul 2003 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

25W045 Keswick Ln

3 bd · 1.5 ba · 1,404 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Mar 2021 $5,1022025 Amount on Record May 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

25W047 Keswick Ln

1.5 ba · 1,404 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Sep 2021 $5,4082025 Amount on Record Apr 2014 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

25W049 Keswick Ln

3 bd · 1.5 ba · 1,404 sqft · built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$217,000Aug 2013 $5,4082025 Amount on Record Jan 2010 Owner on Record Owner Occupied AssessorUpdated Aug 2026

25W051 Keswick Ln

1.5 ba · 1,260 sqft · built 1973 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,500Jul 1999 $5,0362025 —Jul 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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