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When families go through divorce, separation, addiction, incarceration, or other difficult circumstances, grandparents often step in to provide the love, stability, and support children need. But many grandparents are surprised to learn that Pennsylvania does not automatically grant grandparents custody or visitation rights. Instead, the law requires grandparents to first establish legal standing before a court will even consider whether custody or visitation is appropriate. Here’s what you need to know.
Yes—but only in specific situations.
Pennsylvania law allows grandparents (and in some cases great-grandparents) to seek custody or visitation under certain circumstances. However, obtaining custody is a two-step process:
Having standing does not guarantee that custody will be awarded.
Pennsylvania refers to visitation as partial physical custody. A grandparent may have standing to request partial physical custody in several situations, including:
If one of the child’s parents is deceased, the grandparents of that parent may petition the court for visitation or partial physical custody. Even in these cases, the court must still determine whether the requested arrangement serves the child’s best interests.
Grandparents may also seek visitation when:
Simply because parents are separated does not automatically give grandparents standing.
A grandparent may seek custody if:
Because this deadline is short, prompt legal action is important.
In more serious circumstances, grandparents may pursue primary or legal custody.
Generally, the grandparent must show:
Examples include:
These cases often arise when parents struggle with addiction, incarceration, domestic violence, untreated mental illness, or other issues affecting the child’s safety.
Some grandparents may qualify under the legal doctrine of in loco parentis, meaning they have acted as the child’s parent. Courts look beyond occasional babysitting or financial help. Instead, they consider whether the grandparent has truly taken on parental responsibilities, such as:
Even after a grandparent establishes standing, the court must determine whether the requested custody arrangement is in the child’s best interests.
The court may consider factors such as:
Every case is unique, and courts examine the totality of the circumstances.
Pennsylvania law strongly protects a parent’s constitutional right to raise their child. When a custody dispute is between a parent and a grandparent, courts generally presume that custody should remain with the parent unless the grandparent presents clear and convincing evidence that custody with the grandparent is necessary to protect the child’s welfare. Simply believing you can provide a better home or greater financial resources is usually not enough.
If you are considering filing for custody or visitation, begin collecting documentation that demonstrates your relationship with the child, including:
Well-organized evidence can significantly strengthen your case.
Grandparent custody cases are highly fact-specific, and some claims involve strict filing deadlines. Waiting too long may affect your ability to seek custody or visitation. If you believe a child is at risk—or if you have played a significant role in raising your grandchild—consulting an experienced Pennsylvania family law attorney as soon as possible can help you understand your legal options.
At the Greenberg Legal Group LLC, we help grandparents navigate Pennsylvania custody laws and advocate for arrangements that protect children’s safety, stability, and best interests.
If you have questions about your rights as a grandparent, contact our office to schedule a consultation and discuss your situation. Call (610) 460-0135.

Attorney James T. Mulligan, Esq. is an accomplished, caring family law attorney serving Pennsylvania. Since 1988, he's helped families just like yours navigate divorce, grandparents' visitation and custody rights, and the best interests of children amid family law disputes.
Have questions, or in need of legal guidance as a concerned grandparent? Reach out to the Greenberg Legal Group LLC for an initial consultation today.