The entrance to the District Court Building is across from the flag poles in the main parking lot.
The arraignment courtroom, for all new arrests, is in room D-11 on the first (ground) floor.
The Clerks' Offices are located on the 2nd floor. The trial parts are located on the 3rd, 4th, 5th, and 6th floors. The courtroom number will tell you what floor it is on, for example D-31 is located on the 3rd floor, while Courtroom D-65 is located on the 6th floor.