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County Planning and Zoning staff can provide you with the minimum setback requirements for improvements to your property. The specific development standards are contained within the Unified Development Ordinance. St. Charles County’s Zoning Illustrated can be very useful for understanding these regulations. The County also provides online guidance about installing fences and swimming pools.
To request that the County change the zoning classification for any property, a property owner (or agent for the property owner) can submit an application and copy of their deed to rezone their property along with the application fee. Using the County Master Plan as a guide, County staff will refer the application to the Planning and Zoning Commission with a staff recommendation. After holding a public hearing and taking public comments, the Planning & Zoning Commission will forward the application and its recommendation to the County Council. The County Council will either approve or deny the application. Rezoning a property is typically a three-month process. Visit the Rezoning webpage for more information on the steps to rezone properties.
To determine whether any project or improvements you plan to undertake on your property would require a Floodplain Development Permit, please contact the County Planning & Zoning Division (201 N. Second St., Suite 412, St. Charles, MO 63301, 636-949-7345, (fax) 636-949-7336, Planning@sccmo.org).
Before purchasing or leasing a property from which to operate a business, contact the County Planning & Zoning Division at Planning@sccmo.org or 636-949-7335 to verify that the zoning classification for the property allows your specific type of business. Following initial verification, you should apply for a Business Occupancy Permit by submitting the application to the County Building Division (201 N. Second St., Suite 412, St. Charles, MO 63301, 636-949-7345, (fax) 636-949-7336, firstname.lastname@example.org). If you plan to modify the building or site, you will need to discuss those changes with Building Division staff to determine if a building permit will be required. You should also contact the appropriate fire district to see if they will require an inspection. If your business will prepare or serve food you must contact the County’s Public Health Department (1650 Boone's Lick, St. Charles, MO 63301, 636-949-1800, email@example.com) regarding any additional license requirements.
If you wish to operate a business from your home, you should submit a Home Occupation Permit application to the County Planning and Zoning Division (201 N. Second St., Suite 420, St. Charles, MO 63301, 636-949-7335, (fax) 636-949-7336, Planning@sccmo.org).
St. Charles County ordinances do not require subdivision plats to be created for new parcels or tracts of land when:
• The property to be subdivided is located outside of recorded subdivisions and its legal description was recorded prior to Aug. 23, 1999; and
• No more than two parcels or tracts less than 10 acres in size will be created, or all parcels or tracts created will be equal to or greater than 10 acres in size; and
• All lots or parcels will abut a street (either public or private), or adjoin a newly recorded access easement serving no more than two parcels; and
• The new lot(s) will comply with the minimum lot size and other zoning requirements.