12 May What Is a Guardian Ad Litem in WA Custody Cases?
When you are going through a custody dispute in Washington State, the legal process can feel overwhelming, especially because your child is at the center of it. You are trying to do right by your kid while also navigating court procedures you have probably never dealt with before. One term that comes up often is “guardian ad litem” (GAL), and many parents don’t know what it means. Understanding what a guardian ad litem is and does in WA custody cases can help you feel more prepared, whether you choose to enlist one or the judge does so for you. We explore what you need to know below.
What a Guardian Ad Litem Is
A guardian ad litem is a person the court appoints to represent the best interests of someone who cannot reasonably advocate for themselves, including children or incapacitated people, during a legal case. They are frequently involved in child custody cases to advocate for the child, not either of the parents.
That distinction matters. Your attorney advocates for your position. The other parent’s attorney advocates for theirs. The GAL steps in to give the court an independent perspective focused entirely on what is best for your child.
In Washington State, a GAL is appointed under RCW 26.12.175, which governs family court proceedings involving children. The court can appoint one at any point during a custody case when a judge determines that the child’s interests need independent representation. Do not confuse a GAL with a Child Advocate or a CASA volunteer, though those roles can overlap in some jurisdictions.
How a Guardian Ad Litem Gets Appointed
A GAL does not just show up on their own, and they don’t get involved with every single custody case. Either one of the parents requests one, or the judge decides one is necessary. In contested custody cases where the parents cannot agree and the child’s well-being is in question, judges frequently appoint a GAL to help gather information the court would not otherwise have easy access to.
Once appointed, the court issues an order that defines the scope of the GAL’s investigation. That scope can be broad or narrow depending on what the judge wants to know. Some GAL appointments are focused on a specific concern, like allegations of abuse or a parent’s mental health. Others are open-ended investigations into the overall home environment and parenting dynamics.
What a Guardian Ad Litem Does
The GAL’s job is to investigate and report back to the court. A GAL will typically perform the following duties:
- interview both parents
- interview the child (depending on the child’s age and the nature of the case)
- speak with teachers, doctors, counselors, and other people who have regular contact with the child
- review any relevant records
They are looking at the big picture: where the child lives, who is involved in their day-to-day life, how each parent interacts with them, what the child’s needs are, and whether there are any safety concerns. The GAL takes all that information and compiles it into a written report that they submit to the court. That report can heavily influence the judge’s final decision.
What the GAL Report Covers
The report a GAL submits is a detailed document that lays out what they found during their investigation. It includes observations from home visits, statements from interviews, any records reviewed, and the GAL’s ultimate recommendation about custody and parenting time arrangements.
Washington courts take GAL reports seriously because the GAL has spent time with both parents, in both homes, and has spoken directly with people who know the child. The judge does not always have that level of firsthand detail. While a judge is not required to follow the GAL’s recommendation, they rarely dismiss it without good reason. If the GAL says a specific parenting arrangement serves the child’s best interests, a judge takes that very seriously.
How Parents Should Interact With a Guardian Ad Litem
The GAL is not on your side, but they are not against you either. They are neutral, and they are watching. Being cooperative, honest, and focused on your child’s needs during the investigation is the best thing you can do.
Do not try to use the GAL as a way to build your case against the other parent. Do not coach your child on what to say. Do not withhold access to records or refuse to participate in interviews. A GAL will notice and document all of this behavior, and that will work against you. Parents who come across as obstructive or more focused on “winning” than on their child’s welfare tend to get unfavorable write-ups in the report.
The Cost of a Guardian Ad Litem in Washington
GAL services are not free. In Washington State, both parents typically share the cost unless the court orders otherwise based on financial circumstances. According to RCW 13.34.108, the court determines how much a GAL can charge and how much work they can perform before requiring additional court approval. Therefore, rates vary, and fees usually range from a few hundred dollars to several thousand dollars over the course of an investigation.
If you cannot afford GAL fees, you can request that the court consider your financial situation when assigning costs. The court has discretion to allocate costs in a way that reflects each party’s ability to pay.
When a Guardian Ad Litem Is Most Commonly Used
Not every custody case involves a GAL. In cases where both parents can communicate and reach agreements, a GAL is often unnecessary. GALs are most commonly appointed when the following circumstances apply:
- serious disagreements between parents about what is best for the child
- allegations of abuse or neglect
- concerns about a parent’s mental health or substance use
- a child who is older and has expressed strong preferences about where they want to live
- situations where the parents’ conflict is so high that a neutral investigator is necessary to cut through the noise
If your case involves any of those factors, there is a good chance a GAL will be part of the process, whether you request one or not.
What Happens After the GAL Submits Their Report
Once the GAL report is submitted, both parties get a copy. You and your attorney will have the opportunity to review it and respond to it. If you disagree with the findings or the recommendations, you can challenge the report through your attorney. In many cases, you can even call the GAL as a witness during a hearing and cross-examine them on their findings.
The Bottom Line on Guardians Ad Litem
If a guardian ad litem enters your WA custody case, do not treat them as a threat. Instead, treat the development as an opportunity to show the court exactly who you are as a parent. The process is detailed and sometimes uncomfortable, but it exists to protect your child, and that is something both you and the court have in common.
Working with an experienced Washington child custody attorney can help you understand how to navigate the GAL process, respond to the report effectively, and present your case in the strongest possible light. Contact LaCoste Family Law today to discuss your case.

