Duke William Ct, O Fallon, MO Property Records

St. Charles County property records for 22 addresses on Duke William Ct, O Fallon, MO · Last verified August 2026

Duke William Ct Highlights

Properties 22
Median Sale Price $262,400
Deeds and Mortgages on File 34
Median Price per Sqft $112
Owner Occupied 95%
Median Annual Tax Bill $3,957
Median Year Built 2002
Median Ownership Tenure 12 years

Properties on Duke William Ct

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

502 Duke William Ct

5 bd · 2.5 ba · 2,636 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$257,500Nov 2020 $4,2162024 Amount on Record — 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

505 Duke William Ct

4 bd · 3 ba · 2,365 sqft · 0.389 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Sep 2006 —May 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2023

506 Duke William Ct

4 bd · 2.5 ba · 2,061 sqft · 0.3 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$155,100Jul 2002 $4,3302025 Amount on Record — 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

509 Duke William Ct

3 bd · 2 ba · 1,566 sqft · 0.38 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$277,000Mar 2021 $3,7982025 —Aug 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Mar 2026

510 Duke William Ct

4 bd · 2.5 ba · 2,548 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$464,436Jul 2025 $3,4612024 Amount on Record Oct 2024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

514 Duke William Ct

3 bd · 2 ba · 1,690 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jun 2016 $3,7632024 —Jan 2015 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

518 Duke William Ct

4 bd · 2.5 ba · 3,170 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$190,000Aug 2007 $4,0032024 Amount on Record Apr 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

522 Duke William Ct

3 bd · 3 ba · 1,651 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Feb 2013 $3,5922025 —Aug 2008 2 Names on Record Owner Occupied AssessorUpdated Mar 2026

526 Duke William Ct

3 bd · 2 ba · 1,546 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$182,500Jan 2014 —Nov 2002 2 Names on Record Owner Occupied AssessorUpdated Oct 2023

530 Duke William Ct

4 bd · 2.5 ba · 1,902 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Dec 2015 $3,7092024 —Aug 2015 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

534 Duke William Ct

4 bd · 2.5 ba · 4,000 sqft · 0.35 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$315,000Dec 2015 $4,6272025 Amount on Record Sep 2009 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

535 Duke William Ct

3 bd · 3 ba · 2,604 sqft · 0.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$201,700May 2019 $3,7532024 Amount on Record Jun 2015 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

538 Duke William Ct

4 bd · 2.5 ba · 2,139 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,900May 2003 $4,0922025 Amount on Record — 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

542 Duke William Ct

3 bd · 3 ba · 2,343 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,900Nov 2002 $3,7092025 Amount on Record — 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

546 Duke William Ct

5 bd · 2.5 ba · 2,330 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$262,400Apr 2020 $3,9572024 Amount on Record Jul 2019 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

547 Duke William Ct

3 bd · 2 ba · 1,481 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,300Aug 2005 Amount on Record Oct 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

550 Duke William Ct

3 bd · 2 ba · 1,462 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2023 $3,4182025 Amount on Record Aug 2014 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

551 Duke William Ct

3 bd · 2 ba · 2,712 sqft · 0.269 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Oct 2000 $4,0572024 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

554 Duke William Ct

4 bd · 2.5 ba · 2,316 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$205,000Jul 2023 $3,9702024 Amount on Record May 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

555 Duke William Ct

3 bd · 2 ba · 1,548 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000May 2014 $3,8062025 —Aug 2007 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Mar 2026

558 Duke William Ct

4 bd · 2.5 ba · 2,980 sqft · 0.28 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$32,500Mar 2003 Amount on Record — 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

559 Duke William Ct

4 bd · 3 ba · 1,883 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2002 $4,0382025 1 Name on Record Owner Occupied AssessorUpdated Mar 2026

Property Records in Nearby Streets