Frederick Ct, Oconomowoc, WI Property Records

Waukesha County property records for 18 addresses on Frederick Ct, Oconomowoc, WI · Last verified September 2026

Frederick Ct Highlights

Properties 18
Median Sale Price $299,000
Deeds and Mortgages on File 20
Median Price per Sqft $180
Owner Occupied 94%
Median Annual Tax Bill $3,515
Median Ownership Tenure 10 years

Properties on Frederick Ct

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

318 Frederick Ct

6 bd · 3 ba · 2,304 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Oct 2025 $6,5922025 Amount on Record Nov 2020 2 Owners on Record Assessor + 5 DocumentsUpdated Jul 2026

502 Frederick Ct

2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Nov 2018 $3,2552025 Amount on Record Dec 2005 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

504 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$285,000Oct 2023 $3,2552025 Amount on Record Jul 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

508 Frederick Ct

3 bd · 2.5 ba · 1,784 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,900Aug 1999 $3,4872025 Amount on Record Mar 1997 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

510 Frederick Ct

3 bd · 2.5 ba · 1,784 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$299,000Jan 2026 $3,4472025 Amount on Record Sep 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

511 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Apr 2017 $3,2552025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

512 Frederick Ct

2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$371,000Jul 2026 $3,6752025 Amount on Record Dec 2016 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

513 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,900Apr 2016 $3,2552025 Amount on Record Jul 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

514 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$211,000Oct 2016 $3,2552025 Amount on Record Apr 2014 Owner on Record Owner Occupied AssessorUpdated Sep 2026

517 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Nov 2009 $3,2552025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

518 Frederick Ct

3 bd · 2 ba · 1,824 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$192,000Sep 2016 $3,5152025 Amount on Record Sep 2003 Owner on Record Owner Occupied AssessorUpdated Jul 2026

519 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$198,000Jan 2020 $3,2552025 —Mar 2018 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

520 Frederick Ct

3 bd · 2 ba · 1,824 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$182,000Jan 2005 $3,5152025 Amount on Record Dec 2004 Owner on Record Owner Occupied AssessorUpdated Jul 2026

521 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$347,800Aug 2025 $3,5152025 Amount on Record Aug 2017 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

522 Frederick Ct

3 bd · 2 ba · 1,824 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jun 2002 $3,5152025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

523 Frederick Ct

3 bd · 2.5 ba · 1,582 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,000Jun 2011 $3,7262025 Amount on Record Jun 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

524 Frederick Ct

3 bd · 2 ba · 1,824 sqft · 2.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$182,000Apr 2016 $3,5152025 Amount on Record Aug 1999 Owner on Record Owner Occupied AssessorUpdated Jul 2026

525 Frederick Ct

5 bd · 2 ba · 2,204 sqft · 0.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,000Dec 2009 $4,5922025 Amount on Record May 2004 Owner on Record Owner Occupied AssessorUpdated Jul 2026

Property Records in Nearby Streets