The county building department in Saint Charles County administers construction permits and enforces building codes for unincorporated areas and municipalities that contract county services rather than maintaining their own building divisions. There are 2 Building Departments locations in Saint Charles County, Missouri.

Property owners in unincorporated Saint Charles County should verify with the county building department whether their parcel falls under county or municipal jurisdiction before submitting permit applications, as this affects which office handles the review and which codes apply.

List of Saint Charles County, Missouri Building Departments

St Charles County Building Department

View Details Call Now (636) 949-7345

St Charles County Building Department

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St Charles County Planning And Zoning Department

View Details Call Now (636) 949-7335

St Charles County Planning And Zoning Department

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Hours

Contractors and property owners in Saint Charles County should keep copies of all issued permits, approved plans, and inspection sign-off cards at the job site for the duration of construction. Final inspection requests must be scheduled in advance, and the certificate of occupancy is issued only after all required inspections pass.

You may also find Building Departments locations in neighboring counties including St. Louis, Saint Charles.