California custody law rests on two distinct concepts that are easy to blur together: legal custody and physical custody. Each can be held by one parent alone (“sole”) or shared (“joint”), and the combination the court orders shapes daily life for years. This guide explains what each term actually means so you know what you are agreeing to.
Legal custody versus physical custody
Legal custody is decision-making authority — the right and responsibility to make decisions about the child’s health, education, and welfare (Family Code section 3003 defines joint legal custody; section 3006 defines sole legal). Physical custody is about where the child lives and the day-to-day care (section 3004 defines joint physical; section 3007 defines sole physical). A parent can share one and not the other. In fact the most common California arrangement is joint legal custody with one parent having primary physical custody.
What sole and joint custody mean
When people ask about sole vs joint custody, they are usually asking about both layers at once. Sole legal custody means one parent makes the major decisions without needing the other’s agreement; joint legal custody meaning is that both parents must confer and share those decisions. Sole legal and physical custody in one parent — sometimes loosely called “full custody” — means that parent both makes the decisions and provides the primary home, though the other parent typically still has visitation. Courts favor arrangements that keep both parents involved unless the evidence shows shared decision-making would harm the child.
What does primary custody mean?
Parents frequently ask “what does primary custody mean” and “what is primary physical custody.” Primary custody is not a separate statutory category; it is shorthand for the parent with whom the child lives most of the time — the primary physical custodian — while the other parent has secondary parenting time. A parent can be the primary physical custodian while the parents still share joint legal custody. And when people ask how a 50/50 arrangement works, the answer is that joint physical custody divides time so that each parent has significant, though not necessarily exactly equal, periods of physical custody.
Does sole legal custody terminate parental rights?
No. This is a critical misunderstanding. Even sole legal and physical custody in one parent does not end the other parent’s parental rights. The non-custodial parent generally retains the right to visitation, the right to access school and medical records absent a specific order otherwise, and the obligation to pay child support. Terminating parental rights is a separate and far more serious proceeding — handled through adoption, juvenile dependency, or probate guardianship, not through an ordinary custody order. Losing custody is not the same as losing your status as a parent.
Talk to Furubotten Law
Every page on this site ends the same way it began: with a real lawyer. If you are navigating any of the issues discussed above, Denise Furubotten, Esq. brings 30 years of California family law experience to your matter. Call Furubotten Law, APC at (714) 795-3862 to schedule a confidential evaluation.