The Court of Common Pleas is located at 1 East Jackson Street in downtown Millersburg, the county seat of Holmes County. Parking is available on the street and parking is available in public lots on Jackson Street and Monroe Street on the east and south sides of the courthouse.

Common Pleas Court is comprised of the General and Domestic Relations Divisions. The General Division has jurisdiction over adult criminal felony cases, civil actions, and is responsible for the Adult Probation Department. The Domestic Relations Division has jurisdiction over cases involving divorce, dissolution, annulments, legal separations, spousal support, and the allocation of parental rights and responsibilities.