Community Development

Welcome! Before You Visit Our Offices…

  • View a list of online services for our department and others you can access from your home or office.
  • If you need to visit our offices in the County Administration Building in person, please note:
    • You will need to check in at a QLess electronic kiosk in the first floor lobby of the Administration Building to join a virtual queue for our office to receive services. QLess also is accessible on a computer using a web browser or mobile device through the free QLess app. After checking in, you will be directed to a service window or a staff member will meet you in the lobby for services.
    • To access our office on the 4th floor, visitors must check in at the Security Desk to receive a visitor badge, and be accompanied by a staff member.

For further questions, call our department at 636-949-7346. Thank you.

About Us 

The Community Development Department is comprised of three divisions: Building and Code Enforcement, Development Review, and Planning and Zoning. The divisions provide services relating to permitting and inspecting new construction, community planning, zoning, subdivision matters, code enforcement inspections, and review and approval of development improvement plans.

Citizenserve Citizen Access Portal

Apply for permits and contractor licenses, submit plans, file a property maintenance and/or code enforcement complaint, and more through the Citizenserve Online Portal. Enjoy the convenience of handling these tasks online from your home or business.

Master Plan 2030 Cover

Master Plan Goes Digital!

We all know St. Charles County is one of the fastest growing counties in the state, but do you know what’s ahead for our future?

Find out today through St. Charles County’s interactive online Master Plan - Envision 2030.

Combined Notice (FONSI & NOI): Notice of Finding of No Significant Impact and Notice of Intent to Request Release of Funds 
- St. Charles, MO

This is to give notice that on or after May 24, 2023, St. Charles County will submit a request to the Missouri Department of Economic Development for the release of Community Development Block Grant funds under Title I of the Housing and Community Development Act of 1974 (PL 93-383), to undertake the Local Voluntary Buyout Project, and St. Charles County, MO, has concluded that the project will not result in any substantial impact on the human environment. Additional activities and/or sites will be considered during the course of the project or over years and will be environmentally reviewed to determine if the original Finding of No Significant Impact remains valid.

St. Charles County offers all interested citizens the opportunity to give written and/or verbal comments on public matters. The written comments may be mailed to the Department of Community Development, 201 N. Second Street-Suite 410, St. Charles, MO  63301, or sent by email to or call (636) 949-7335.

All comments should be received post marked by May 24, 2023.


Code Enforcement