The TCA's office oversees all administrative responsibilities of the First Judicial District, including Court Assistance Services, Court Reporting, Court Security, Drug Court, DUI Court, Family Court Services, Interpreter Services, Jury Services, Mental Health Court , Small Claims Mediation, and Transcripts within Kootenai County. The TCA is also responsible for personnel administration, facilities management, technology planning and implementation. It is the administrator's role to facilitate administrative functions within the district and to develop and carry out policies that enhance court system performance.

The TCA also ensures that the multitude of court departments function effectively as a team, despite their having separate and distinct responsibilities within the court. In addition, the TCA must effectively balance any need arising out of non-court-related departments within the courthouse, including efforts with county staff relating to contractors and vendors working on any courthouse project, in order to ensure that projects remain on schedule and consistent with the court's needs.

Finally, the Trial Court Administrator serves as liaison with city, state, and federal agencies as well as the media and general public.