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Modifying a child custody order: when is it possible?

On Behalf of | Jun 21, 2026 | FAMILY LAW - Child Custody

When deciding child custody, courts focus on the child’s best interests. Custody arrangements are designed to provide stability for children and outline expectations for parents.

However, life is always in a state of change, such as if a parent needs to relocate, receives a new job opportunity or experiences health issues. If something happens in your life that affects your ability to care for a child, can you change the custody arrangements?

What qualifies as a significant change?

Stability is essential to a child’s well-being, so courts generally don’t modify custody orders simply because a parent isn’t happy with the current arrangement. The parent requesting the change must demonstrate that there has been a substantial change in circumstances since the original order was issued.

There is no single event that automatically justifies a custody modification. Instead, courts evaluate each case. 

Reasons that may warrant a review of the current custody order include:

  • A parent relocating a significant distance away
  • A parent has left the military and is now working a civilian job
  • Concerns about a child’s physical or emotional well-being
  • Evidence of substance abuse or domestic violence
  • Significant changes in a child’s medical, developmental or educational needs
  • A parent’s serious illness

If the court finds that a significant change has occurred, it will then determine whether modifying the custody arrangement would better serve the child’s best interests.

A parent seeking a custody modification must submit a formal request to the court, along with evidence that demonstrates:

  1. A substantial change in circumstances has occurred
  2. A modification is in the child’s best interests

Documentation can help strengthen your case and may include:

  • School and medical records
  • Communication records between parents
  • Police reports or court records
  • Parenting time logs

Depending on the circumstances, the court may order mediation, request a custody evaluation or hold a hearing.

Child custody modification cases can be emotionally challenging and legally complex. Your best chance for a positive outcome requires the help of someone who can evaluate your situation, explain your options and help you present evidence that supports your request and your child’s best interests.