1. Airport - Smartt Field

    Smartt Field is located less than 15 minutes from the attractions, shops and businesses of downtown St. Charles and is less than 30 minutes from St. Louis.

  2. Bad Checks Assistance

    The St. Charles County Prosecuting Attorney's Office Bad Check Unit assists citizens in the collection and prosecution of bad checks given to them in St. Charles County.

  3. Chambers of Commerce

    Access area chambers of commerce websites.

  4. Economic Development Center

    As a public-private initiative established in 1990 to serve as the lead economic development organization for all of St. Charles County, the Economic Development Center (EDC) has earned a reputation for being "the business growth experts" working in partnership with local government, community and business leaders, and other regional organizations.

  5. Employer Services

    We offer customized recruiting, posting of job openings, applicant referrals, initial candidate screening, job fairs, training opportunities, and other services to meet your human resources needs.

  6. Land Disturbance

    To help reduce the impacts of land disturbance and site grading, St. Charles County created an ordinance in 1992 to deal with the effects of sediment runoff and erosion due to land development.

  7. Licenses & Permits

    Access business related licenses and permits.

  8. Notary Public

    The County Finance Department issues notary commissions for bonded, qualified applicants who have been approved to act as a Notary Public by the Missouri Secretary of State’s Office.

  9. Starting a Business

    Obtain information and resources on how to start a business in St. Charles County.

  10. Subdivision Development

    For the purpose of present and future development of the County of St. Charles and for the promotion of public health, safety, and welfare of persons living within the territory governed, the provisions and regulations hereinafter contained shall govern subdividers and the subdividing and platting of lands lying within the area of jurisdiction of the County of St. Charles.

  11. Taxes

    View business related tax information.

  12. Trash & Recycling

    Find commercial trash and recycling information.

  13. Working With the County

    Browse information about the county and how to work with the county.