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St. Louis County Courts Building
7900 Carondelet Ave, Clayton, MO 63105

The St. Louis County Courts Building handles civil, criminal, family court, probate and traffic issues.

TheMore following is a list of floors and the offices present on each. Visitors may call ahead to get the hours of operation for a specific location. The line is staffed 40 hours a week, and callers are always put in touch with a real person who can help answer questions.

  • Street level: Associate central filing room, municipal court, circuit civil filings/cashier
  • Plaza level: Adult abuse, domestic relations, prosecuting attorney (bad check and civil divisions), resource center, Victim Service Council
  • 2nd Floor: Criminal/traffic department, small claims/associate civil
  • 3rd Floor: Judicial administration
  • 4th Floor: Human resources office for circuit clerk
  • 5th Floor: Circuit clerk, law library, probate court, public administrator, sherifff's office
  • 6th Floor: Jury assembly room
Lawrence K. Roos Government Building
41 S Central Ave, Clayton, MO 63105

The Lawrence K. Roos Government Building is home to a number of St. Louis county offices, including the countyMore executive. It is located next to the county Courts Building.

The following is a list of floors and the offices on each. Offices work on different schedules, so visitors should call ahead using the phone number in this listing to get the hours of operation for a specific location. The line is staffed 40 hours a week, and callers are always put in touch with a person who can help answer questions.

  • Street level: Collector of revenue, customer service
  • 1st Floor: County clerk, County Council
  • 2nd Floor: Board of Equalization, merchants and manufacturers' licenses, business personal property
  • 3rd Floor: Assessor's office, land information services
  • 4th Floor: Director of revenue, license division, recorder of deeds
  • 5th Floor: Highways and traffic (civil plan review), GIS Enterprise service (mapping), planning
  • 6th Floor: Public works
  • 7th Floor: Parks, personnel
  • 8th Floor: Administration, purchasing
  • 9th Floor: County counselor, county executive