Harmony Ln, O Fallon, MO Property Records

St. Charles County property records for 10 addresses on Harmony Ln, O Fallon, MO · Last verified August 2026

Harmony Ln Highlights

Properties 10
Median Sale Price $178,300
Deeds and Mortgages on File 19
Median Price per Sqft $109
Owner Occupied 70%
Median Annual Tax Bill $2,324
Median Year Built 1960
Median Ownership Tenure 10 years

Properties on Harmony Ln

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

501 Harmony Ln

6 bd · 2 ba · 3,036 sqft · 0.323 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Dec 2004 $3,0822025 —Jan 2004 2 Names on Record Assessor + 1 DocumentUpdated Mar 2026

507 Harmony Ln

3 bd · 1 ba · 960 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$105,000Feb 2012 $2,0392025 Amount on Record Oct 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

509 Harmony Ln

2 bd · 2 ba · 2,036 sqft · 0.258 acres

Last Sale Tax Bill Prior Sale Owner Records
$334,827Apr 2024 $3,0192024 Amount on Record Jun 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

510 Harmony Ln

3 bd · 1.5 ba · 1,373 sqft · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$187,500Nov 2019 $2,3702024 —Apr 2019 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Apr 2026

513 Harmony Ln

4 bd · 2 ba · 1,392 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$62,500Apr 1994 $1,5922025 1 Name on Record AssessorUpdated Aug 2026

514 Harmony Ln

3 bd · 1.5 ba · 1,451 sqft · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jun 1997 $2,3242025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

517 Harmony Ln

4 bd · 2 ba · 1,414 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2022 $2,1062025 Amount on Record Aug 2021 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

518 Harmony Ln

4 bd · 2 ba · 1,680 sqft · 0.344 acres

Last Sale Tax Bill Prior Sale Owner Records
$178,300Feb 2004 $2,3182024 —Feb 2003 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

523 Harmony Ln

3 bd · 3 ba · 1,416 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$153,700Jul 2016 $2,8202024 Amount on Record Nov 2005 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

525 Harmony Ln

3 bd · 1 ba · 936 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$165,000May 2022 $1,9792025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

Property Records in Nearby Streets