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To determine how much you owe, visit the Calculating Estimated Property Tax page.
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A Certificate of Personal Property Non-Assessment may be obtained if you did not own a vehicle in St. Charles County on January 1 of the required tax year.
You may submit your documentation in person, via fax to 636-949-7434 or by email to firstname.lastname@example.org. When submitting via fax or email, please include your mailing address, physical address (if different), and address on January 1 of the prior two years if you were a Missouri resident.
Contact the Assessor’s Office, send self-addressed stamped envelope or access the verification online.
Year, make, model and VIN number, mileage and signature. This form must be completed each year.