$0 Illinois — Parenting Plan Starter Checklist

Grandparent Visitation Rights Illinois: How to Petition for Time

When Grandparents Can Petition for Visitation in Illinois

Illinois grandparent visitation rights are governed by 750 ILCS 5/602.9, which allows grandparents (and great-grandparents) to petition for reasonable visitation — but only under specific circumstances. The law balances a grandparent's desire for a relationship with the child against a parent's constitutional right to make decisions about their child's upbringing.

A grandparent (or great-grandparent, step-parent, or sibling) may petition for a child who is at least one year old only when a parent has unreasonably denied visitation and that denial has caused the child undue mental, physical, or emotional harm, and at least one of these conditions exists:

  • The child's other parent is deceased or has been missing for at least 90 days; a missing parent must have been reported to a law-enforcement agency
  • A parent is incompetent as a matter of law
  • A parent has been incarcerated in jail or prison for more than 90 days immediately before the petition is filed
  • The parents have been granted a dissolution of marriage or legal separation, or a qualifying proceeding is pending, and at least one parent does not object; the visitation cannot diminish the unrelated parent's parenting time
  • The child was born to parents who are not married to each other, the parents are not living together, the petitioner is an eligible non-parent, and the parent-child relationship has been legally established

The child's residence with the grandparent for at least six consecutive months, frequent and regular contact for at least 12 consecutive months, and service as a primary caretaker for at least six consecutive months within the preceding 24 months are additional factors the court should consider, not standalone grounds for filing.

If the parents are married, living together, and agree that grandparent visitation should be denied, a grandparent generally cannot override that decision. The U.S. Supreme Court's decision in Troxel v. Granville (2000) established that fit parents have a fundamental right to determine who has access to their children, and Illinois law reflects this principle.

What the Court Considers

Even when a grandparent has standing to petition, the court must find that visitation is in the child's best interests. The court considers:

  • The child's wishes, considering their maturity and ability to express an independent preference
  • The mental and physical health of the child and the grandparent
  • The length and quality of the prior relationship between the grandparent and the child
  • The good faith of both the person filing and the person denying visitation
  • The quantity of visitation requested and its potential adverse impact on the child's customary activities
  • Any other fact showing that loss of the relationship is likely to cause undue harm
  • Whether visitation can be structured to minimize the child's exposure to conflict between the adults

The petitioning grandparent bears the burden of proving that denying visitation would cause harm to the child. This is a higher bar than simply showing that visitation would benefit the child — there must be evidence that cutting off the relationship would actually cause emotional or developmental damage.

The Practical Reality

Most grandparent visitation disputes arise in two contexts: after the death of the grandparent's adult child (the child's parent), or during a high-conflict divorce where one parent uses the child to punish the in-laws.

In the first scenario, courts are generally sympathetic. The surviving grandparent often had a close relationship with the child, and the court recognizes that maintaining that bond serves the child's interest in continuity and grief processing.

In the second scenario, the outcome depends heavily on documentation. If the grandparent can show years of regular involvement — babysitting, school pickups, holidays, overnight stays — and a sudden, unjustified cutoff, the petition is much stronger than if the relationship was already sporadic.

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How to Approach This as a Divorcing Parent

If you're going through a divorce and your child has a meaningful relationship with their grandparents, consider including grandparent visitation provisions in your parenting plan. Addressing it proactively in the agreement avoids a separate court action and gives everyone clarity.

Common approaches include building grandparent time into the parenting schedule (for example, one weekend per month during a parent's time falls to the grandparent) or specifying that grandparents have access during holidays and school breaks.

The Illinois Child Custody & Parenting Plan Guide covers how to draft provisions that address extended family time within the 15 mandatory elements of an Illinois parenting plan.

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