The Lawrence K. Roos Government Building is home to a number of St. Louis county offices, including the county 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