Who to Contact

If you have questions / concerns regarding the assessment of real estate and/or personal property, please contact the County Assessor Office.

If you have questions / concerns regarding the payment of real estate and/or personal property taxes, please contact the County Collector of Revenue Office.

If you have questions / concerns relating to a municipality or other political subdivision (i.e. fire district, school district), visit our cities and neighborhoods page for contact information.

If you have concerns regarding businesses and their practices, contact the Attorney General's Office.

If you have concerns about a Missouri non-St. Charles County governmental (i.e. City, School, etc.) department, office, and/or contract, please contact the Missouri State Auditor.

If you have concerns about a Missouri Federal Government department, office, and/or contract; please contact the U.S. Government Accountability Office.