Business Licenses

Chapter 605 of the Lake Saint Louis Municipal Code regulates licenses for businesses within the City of Lake Saint Louis.  

The business licensing period is from July 1st through June 30th annually.  

All individuals or companies offering their services for hire and/or engaging in construction activities within the City limits of Lake Saint Louis are required to have a City business license prior to engaging in construction activities and to maintain a business license throughout the time in which they engage in construction activities. 

All new businesses physically located within the City limits of Lake Saint Louis need to to contact the Community Development Dept. at 636-625-7936 to verify their use is permitted in the zoning district where they intend to do business. Once verified, complete the steps listed under "Apply for a Business License"  to obtain a Lake Saint Louis business license. 

 Click here for the license fee schedule. 

If you previously had a Lake Saint Louis business license but it has expired and you need to renew it, please follow the steps under "Renew a Business License".  (note: you must be a registered user on the online license portal to renew a license)

If you have any questions email the City Clerk or call 636-625-1200 (ask to speak with business licensing in the Admin. Dept.) 

Business Emergency Contact Form - If you have a new business that is physically located within the City limits of Lake Saint Louis you will need to fill out the Emergency Contact form and email or mail it to the Police Dept. as noted on the bottom of the form.