Grandparents can play a huge role in their grandchildren’s lives. In some families, they’re occasional babysitters and the people the kids visit on holidays. In others, grandparents are much more involved—sometimes becoming the people who provide most of a child’s day-to-day care.
According to the 2024 American Community Survey, about 6.55 million grandparents in the United States lived in the same household as their grandchildren. Of those, approximately 2.01 million grandparents were responsible for meeting their grandchildren’s primary needs.
So what happens when a child can no longer safely or practically live with their parents? In some situations, a grandparent may seek custody of the child, as Ricky’s grandparents do in the juvenile novel The Fort.
But grandparents don’t automatically have the same custody rights as parents. The laws surrounding grandparents’ rights vary considerably from state to state, and simply being a child’s grandparent isn’t enough to guarantee custody or even visitation.
For example, custody considerations for Louisiana grandparents can include proving that remaining with the parent would substantially harm the child. The grandparent also needs to show that they can provide a stable and healthy home.
Ultimately, courts are focused on the child’s best interests, including the child’s existing relationship with the grandparent.
So when can a grandparent actually ask a court for custody or visitation? And what does a judge look at when making that decision? Let’s take a closer look.
Visitation and Custody Are Not the Same Thing
When grandparents talk about their “rights,” they may actually be talking about two very different things: visitation and custody.
Visitation means asking for regular or scheduled time with a grandchild. The parents generally continue to make the major decisions about the child’s life.
Custody is a much bigger request. A grandparent seeking child custody is asking the court to give them some or all of the responsibility for the child’s care and important decisions, such as where the child lives, where they go to school, and what medical care they receive.
Because custody interferes much more directly with a parent’s rights, a grandparent usually faces a higher legal hurdle when asking for custody.
In many states, a grandparent seeking custody may need to show that remaining with the parent would be harmful to the child or that there are other circumstances serious enough to justify giving custody to someone other than a parent.
The Supreme Court Set an Important Boundary in 2000
Grandparents’ visitation rights also have to be considered alongside a major U.S. Supreme Court decision: Troxel v. Granville. In that 2000 case, the Supreme Court considered a Washington law that allowed virtually anyone to petition for visitation. The Court found the law unconstitutional as applied because it did not give enough weight to a fit parent’s decision about who should have access to their child.
The decision established an important principle: courts generally have to give significant weight to a fit parent’s decision about what is in their child’s best interests. States have responded to that decision in different ways, which is one reason grandparents’ rights can look very different depending on where you live.
Before Anything Else, You Have to Have the Right to Ask
Even before a judge considers whether custody or visitation would be good for the child, there can be another hurdle: does the grandparent have legal standing to bring the case in the first place?
The answer varies considerably from state to state. For example, the rules can depend on whether the child’s parents are married, whether the parents are going through a divorce, whether one parent has died, or whether the grandparent has already been acting in a parental role.
In other words, being Grandma or Grandpa doesn’t automatically give someone the right to walk into court and request custody or visitation. The circumstances surrounding the family—and the laws of that particular state—matter.
Arizona Shows How High the Custody Bar Can Be
Arizona provides a good example of just how much a third party may have to prove before getting custody. Under Arizona law, a third party seeking legal decision-making or parenting time generally has to meet several requirements. For example, they may need to show that they have acted in loco parentis—essentially, that they have established a parent-like relationship with the child.
There are also restrictions related to existing court orders, along with a requirement that the person seeking custody establish that remaining with a legal parent would be “significantly detrimental to the child.”
There’s another important hurdle: Arizona law creates a presumption in favor of a legal parent, and a third party may have to overcome that presumption with clear and convincing evidence. That’s a much higher bar than simply showing that the grandparent could provide a nice home.
For grandparents seeking visitation, the requirements are different. Arizona law provides several circumstances in which grandparents may petition for visitation, including situations involving the parents’ marriage and its breakdown.
According to the legal firm website Ellsworth Family Law, PC, grandparents who are trying to pursue visitation may benefit from having a grandparents’ rights lawyer represent them throughout the case.
What Actually Makes a Difference to a Judge?
Having the legal right to ask for custody is only the beginning. What really matters is the evidence a grandparent can bring to court. And sometimes, the most useful evidence is surprisingly ordinary.
School forms showing the grandparent as an emergency contact. Pediatrician records. Proof that the child has lived with the grandparent for years. Messages showing the grandparent regularly arranging appointments or activities. Testimony from teachers, coaches, neighbors, or other people who have seen the grandparent caring for the child.
These details can help show what the grandparent’s relationship with the child actually looks like—not just what each side claims it looks like.
Courts may also consider why the grandparent is seeking custody or visitation and what is happening within the family. A request that appears to be part of an ongoing family conflict may look very different from a request coming from a grandparent who has been providing consistent, hands-on care for the child.
At the same time, it’s important to remember that parental rights carry significant constitutional protection in the United States. A grandparent may have a close, loving and important relationship with a child, but that relationship doesn’t automatically give them the same legal standing as a parent.
That’s the starting point in many grandparents’ rights cases—and it’s why the specific circumstances and evidence matter so much.
What About Grandparents’ Rights in Canada?
If you’re reading this from Canada, keep in mind that the rules are different here. Canadian grandparents don’t automatically have custody or visitation rights simply because they’re the child’s grandparents, and the laws can vary depending on the province or territory and the circumstances of the family. Canadian courts generally focus on the child’s best interests when making parenting and contact decisions.
So while the examples above explain how grandparents’ rights work in the United States, Canadian grandparents will need to look at the laws that apply in their own province or territory. Because every family’s circumstances are different, anyone considering custody or visitation should seek legal advice about their own situation.
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