St Louis County Public Works 74 Clarkson Wilson Ctr Chesterfield, MO 63017 Phone : (314) 615-0902 Business Category Highway & street construction Grading Contractors Road Maintenance St Louis County Of--public Works Dept Of, Permits & Inspections, Satellite Offices, West 74 Clarkson Wilson Saint Louis, MO 63107 Phone : (314) 615-0902 Business Category Government Offices-County Government Offices & Public Schools