Renew a Business License

You will need to know your previous Lake Saint Louis business license number during this process. This number is located in the upper right corner of your expired license.  Please be aware that processing of your online entries only takes place during City Hall business hours.    

To renew your City of Lake Saint Louis business license through our new online portal please follow the steps below:

Step 1 Register & create a user account by going to and click on “Business Licenses”. Register with your email address, create a password, enter your name & phone # as a new user. You should receive an email from with a link for you to activate your account registration.  Please make sure to remember your login and password as this will be used again in this process and for future renewals as well. 

Step 2 - Then you will need to click on “Manage Associations”, and complete the rest of the fields, enter your expired license number to associate with. Click on “Associate New Licensee”. This step will connect your registered user account with our business license program.

Step 3 Once processed you will receive an email from the City Clerk when your membership association is approved, then you will be able to log back in to Renew your License.  

Step 4 - Once processed you will receive an email from the City Clerk informing you when you can pay the license fee online and if any additional documentation is required.

If you have any questions please contact us or call the City Clerk's office 636-625-1200.