In most situations, you can file for custody in the "home state" of the child. You will need to domesticate the Ohio custody order, here in Hernando County, and then enforce it through our Court and Sheriff.The law office of Gary J. Gottfried Co. LPA will help you with your Ohio and Florida child custody case. Generally, you must file in the "home state" of the child. In order to modify custody you will need to file in the original Ohio court that granted the mother full custody. The only place where a child custody case can be heard is the child's "home state" usually, the state where they have lived for at least six months. A petition for custody would be filed in the juvenile, family, or domestic relations Court with jurisdiction over the child, at the county level. Related Article: Child Custody Laws: How To Block A Move Out Of State. The court, without adjudication of incapacity, may appoint a parent, sibling, next of kin or another person interested in the minor's welfare as the guardian. Any person with physical custody of the child.