Can You Modify a Child Custody Agreement?
By Andra DelMonico, J.D. | Reviewed by Canaan Suitt, J.D. | Last updated on February 21, 2025 Featuring practical insights from contributing attorney Suzanne GriffithsChild custody arrangements are meant to serve the child’s best interests, but sometimes life changes demand an update. Whether due to a parent’s relocation, changes in their mental health, or safety concerns, custody agreements can be modified to reflect new circumstances. Knowing when and how to seek a modification can make a significant difference in your child’s life.
While a custody modification changes where a child spends time, it doesn’t have to limit a parent’s relationship with their children. Suzanne Griffiths, a family law attorney at Griffiths Law in Lone Tree, Colorado, explains, “The court can listen to [the modification petition], and there may be good reason to change. Maybe there’s a one-day change or two-day change. But the other parent can still attend a parent-teacher conference. They can still drop by the school and volunteer in the classroom. They can still attend the therapy sessions.”
Is a Modification Necessary?
Parents with an active custody order may find it no longer effective or practical, primarily because the current child custody agreement is no longer in the best interest of their child. Several common reasons can lead to the decision to modify a child custody order. Generally, the court wants to see a substantial change in circumstances that warrants a reevaluation of the existing custody order.
If one of the parents struggles with addiction or substance abuse, it could potentially endanger the child’s safety or emotional well-being. One parent could be involved in a relationship that includes domestic violence. Evidence of domestic violence can prompt a reevaluation of custody arrangements to ensure the child’s safety with the risk of child abuse.
A parent’s mental health deterioration may affect their ability to care for the child, leading to a custody review. Courts will assess the severity of the condition and whether the parent is seeking professional help or taking measures to manage the illness. One parent could move a long distance away, making the logistics of fulfilling visitation impossible. The relationship between the distanced parent becomes compromised. The court will evaluate whether the relocation significantly disrupts the child’s routine or access to the non-relocating parent.
A parent could experience a major change in their financial situation that impacts their ability to provide for the child. If one parent becomes unable to meet the child’s physical, emotional, or financial needs, courts may reconsider custody. If a parent is incarcerated, the other parent may seek full custody of the child. The court will determine whether the incarcerated parent will be able to maintain a relationship or provide care upon release.
A parent’s physical or health condition may impair their ability to provide adequate care for the child. This can include chronic illnesses or disabilities that require adjustments to the custody arrangement. A parent’s failure to engage in the child’s life, through neglect, lack of contact, or refusal to participate in decisions, could lead the other parent to seek a modification. Courts consider whether the abandoning parent has taken steps to reestablish their relationship with the child.
They go to mediation, and one parent concedes a bit, and the other parent wins a little, and they go away in compromise. Reasonable people say this will work. But if they can’t agree, we may go to court. Generally, nobody’s happy then.
Legal Grounds for Modifying a Child Custody Agreement
To be able to bring a child custody case for modification, the parent bringing the case needs to have legal grounds. They must demonstrate that a substantial or significant change in circumstances has occurred since the original order was made. This change needs to be significant enough to justify a reevaluation of the custody arrangement in the child’s best interests. Courts generally look for these substantial changes when considering modifications. The court also considers circumstances that directly impact the child’s welfare. Situations involving substance abuse, domestic violence, and mental health issues can be grounds for the court to reconsider legal custody or physical custody. Situations that directly impact a parent’s ability to care for a child can also be grounds for a custody change.
The court will consider the physical safety and emotional stability of the child. Children thrive in stable, safe, and nurturing environments. A change in circumstances that disrupts these conditions can lead to anxiety, depression, behavioral issues, and academic struggles.
The child’s relationship with both parents is vital. Changes that affect the quality of this relationship, such as neglect or inability to meet the child’s needs, may indicate the need for a modified custody arrangement. The child’s best interests are considered in terms of their immediate safety and the child’s emotional and psychological growth in a healthy and stable family dynamic.
The Legal Process for Modification of Custody
When a parent decides to pursue a modification case, they must follow the required legal steps to present their case in family court. The process may vary slightly by state, but the following general steps outline what parents can expect. Before initiating the modification process, the parent must determine if there has been a substantial change in circumstances since the original custody order was made. If the change is deemed significant enough, the parent can proceed to request a modification.
The parent seeking a change in the custody agreement must file a Motion for Custody Modification in the family court that issued the original custody order. This motion outlines the substantial change in circumstances and requests the court to modify the existing arrangement. The motion should include supporting evidence, such as documentation of the change in circumstances. They may also need to pay a filing fee. Once filed, the parent filing the motion must serve the other parent. This allows the other parent to respond to the request, either agreeing to the modification or opposing it.
In some states, courts may require a pretrial conference or mediation before a judge hears the case. Mediation aims to help both parents reach an agreement regarding custody modifications without going to trial. If successful, mediation can save time and resources. If mediation does not result in an agreement, the custody case will proceed to a formal hearing. Griffiths explains the importance of parents being willing to negotiate and compromise. Otherwise, both parents place the decision-making responsibility in the hands of a judge who must follow the law. The outcome may not be what either parent wants. “They go to mediation, and one parent concedes a bit, and the other parent wins a little, and they go away in compromise. Reasonable people say this will work. But if they can’t agree, we may go to court. Generally, nobody’s happy then.”
Both parents will present their evidence and arguments to the judge at the hearing. This includes any documents, testimony, or expert opinions related to the substantial change in circumstances and why the requested modification is in the best interests of the child. The judge will listen to both sides and may ask questions to clarify points before making a decision.
After reviewing the evidence and hearing from both parents, the judge will issue a ruling. If the court determines that the requested modification is in the best interests of the child, the custody agreement will be modified accordingly. If the court finds insufficient evidence or deems the modification not to be in the child’s best interests, the original custody order will remain in effect. If the judge grants the modification, a new custody order that reflects the changes will be issued. Parents will receive a court order that details the updated custody arrangement if necessary. The modification is legally binding, and both parents are required to follow the terms outlined in the new order.
Parents seeking a modification through a court hearing can benefit from speaking with and hiring an experienced family law attorney. A family law attorney helps evaluate whether the changes in circumstances meet the legal standard for modification and advises on how best to present the case. They assist with collecting relevant evidence and preparing documentation to support the family law case. They can ensure that all necessary paperwork is filed correctly, including the Motion for Custody Modification, supporting evidence, and any other required documents. An attorney represents the parent during hearings and court appearances. They advocate on the parent’s behalf, making legal arguments and cross-examining witnesses if necessary. Child custody lawyers are also skilled at negotiating with the other parent or their lawyer to reach an amicable settlement.
Practical Tips for Modifying a Child Custody Arrangement
When seeking a modification to a child custody agreement, parents should be mindful of several practical factors that can affect the success of the process. These considerations can help strengthen the case for a modification, minimize conflicts, and improve the chances of a favorable outcome for both parents and the child.
Keep a detailed log of any changes in circumstances that may impact the child’s well-being. This could include incidents of substance abuse, domestic violence, health issues, or changes in living arrangements. Document any witness testimony, police reports, medical records, school reports, or any other evidence of the substantial change. Record any observations or changes related to the child’s emotional health, behavior, and well-being. Continuously document changes over time to show a pattern of behavior, not just isolated events. The court will look for consistent evidence that the modification is necessary for the child’s best interests. Keep a record of any communication with the other parent, particularly if it concerns the child’s well-being or safety. If issues such as missed visitations or conflicts may impact the child’s safety, these communications can support the need for modification.
Before filing for a modification, seeking legal advice ensures that the necessary documentation is in order and the legal requirements are met. An attorney can help clarify the legal process, guide you through paperwork, and give you an understanding of how to present your case effectively. Attorneys can help you understand what legal avenues are available to address issues like non-compliance with existing orders or situations where the other parent is not acting in the child’s best interests. If the other parent is likely to oppose the modification or if the situation has become adversarial, consulting with a family law attorney ensures you have a strategy for presenting your case in court and defending against any objections.
Potential Challenges and Resolutions
When seeking to modify a child custody agreement, parents may face several challenges, including objections from the other parent, legal hurdles, and disputes over visitation or custody. Understanding how to address these challenges can improve the chances of a successful outcome.
The other parent may oppose the modification of the original order, claiming that there is no material change in circumstances or that the modification is not in the child’s best interests. To address this, gather evidence, enlist expert testimony, and focus on the child’s needs. A legal obstacle may be proving that the requested modification meets the legal standard, such as a “substantial change in circumstances.” Working with a child custody attorney can help guide you in making effective legal arguments to meet the legal standard.
There are several resolution options available for parents that allow them to avoid pursuing a new court order. Non-custodial parents should be open to co-parenting and demonstrating their willingness to work collaboratively with the custodial parent. If proposing a change in custody, non-custodial parents should consider offering practical solutions such as a co-parenting plan that outlines how both parents will manage the child’s needs moving forward. Another option is to attend mediation or professional support. Parents can use these services for child custody modification, child support order changes, or a new visitation schedule.
Find Legal Help
Visit the Super Lawyers directory to begin your search for an experienced family law attorney.
What do I do next?
Enter your location below to get connected with a qualified attorney today.Additional Custody & Visitation articles
- What Is Custody and Visitation Law?
- How To Get Child Custody
- How to Get a CPS Case Closed
- Child Custody Tax Issues: Who Claims a Child on Taxes?
- Do I Need a Lawyer for Child Custody Issues?
- How To Get Custody of the Dog
- How Do You Enforce a Child Custody Order?
- Can You Relocate Under a Child Custody Order?
State Custody & Visitation articles
Related topics
At Super Lawyers, we know legal issues can be stressful and confusing. We are committed to providing you with reliable legal information in a way that is easy to understand. Our legal resources pages are created by experienced attorney writers and writers that specialize in legal content in consultation with the top attorneys that make our Super Lawyers lists. We strive to present information in a neutral and unbiased way, so that you can make informed decisions based on your legal circumstances.
Attorney directory searches
Helpful links
Find top lawyers with confidence
The Super Lawyers patented selection process is peer influenced and research driven, selecting the top 5% of attorneys to the Super Lawyers lists each year. We know lawyers and make it easy to connect with them.
Find a lawyer near you