St. Louis County Department of Planning

The Department of Planning provides both countywide services as well as municipal-type services to the unincorporated areas of St. Louis County. Our primary duties include:

- Administer the Zoning Ordinance and Subdivision Ordinance
- Staff the St. Louis County Planning Commission and St. Louis County Board of Zoning Adjustment
- Administer federal community planning, housing, and lead grants
- Review site plans and subdivision plats
- Promote citizen engagement
- Assess boundary issues before the Boundary Commission