The chambers of the House of Representatives and Senate face each other on opposite ends of the third floor.
There is a partially buried basement level with mostly offices for clerks and maintenance personnel. It also contains a small gift shop and an underground tunnel to the neighboring Capitol Annex building.
The second floor contains the courtroom of the state Supreme Court, as well as the chambers of the justices.
The first floor contains the offices of the governor, secretary of state, and attorney general.