Create a Website Account - Manage notification subscriptions, save form progress and more.
Businesses obtaining business licenses in the unincorporated County must first obtain Zoning Confirmation by issuance of a commercial occupancy permit (for commercial and industrial properties) or a home occupation permit (for home businesses).
In addition, please contact the St. Charles County Finance Department regarding their requirements for a business license.
For business licensing and registration by the State of Missouri, contact the Missouri Department of Revenue.
Please Visit the Land Development & Zoning Applications section of our Citizenserve Citizen Access Portal.
If you would like to check the zoning of a property, click here. Search the address, then select "Planning and Zoning" from the Layers menu on the right.