Reviewed August 2026
Child Custody in Washington
Washington law does not use the word custody as its controlling legal term. Instead, every Washington case involving minor children produces a permanent parenting plan, governed by RCW 26.09.187. The plan addresses three things: how the parents will resolve disputes, how decision-making authority is allocated, and what the child's residential schedule will look like. Washington custody, or parenting plan, cases are filed in Superior Court, the state's general-jurisdiction trial court. RCW 26.09.187 breaks the parenting plan into three distinct pieces. First, the plan addresses whether and how the parents will use a dispute resolution process, such as mediation, before going back to court over disagreements. Second, it allocates decision-making authority, either to both parents jointly or to one parent solely, based on specific criteria. Third, it sets the residential schedule, weighing factors like the strength and stability of the child's relationship with each parent and each parent's history of performing parenting functions. A separate statute, RCW 26.09.191, sets out mandatory and discretionary limitations on a parent's residential time or decision-making authority. These limitations apply in situations involving abuse, neglect, or other serious risk factors. When they apply, they take priority over the general factors in RCW 26.09.187.
Virdix's document-preparation product currently prepares divorce paperwork for California and Florida cases. This page explains how child custody works under Washington law for people researching before they file. It is not legal advice, and Virdix does not prepare or file Washington paperwork. See how Virdix works for California divorces.
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Dispute resolution process
Under RCW 26.09.187(1), a Washington court cannot order a dispute resolution process other than court action if a limiting factor under RCW 26.09.191 or 26.09.192 applies. It also cannot order one if either parent cannot afford the proposed process. Where a dispute resolution process is not precluded, the court considers several factors. These include differences between the parents that would substantially inhibit effective participation, and the parents' own wishes or agreements. Also included are differences in the parents' financial circumstances that might affect their ability to participate fully.
Allocating decision-making authority
RCW 26.09.187(2) governs how a Washington court allocates decision-making authority. The court approves the parents' own agreement on decision-making, or on specific rules for certain areas. This happens when the agreement is consistent with any RCW 26.09.191 or 26.09.192 limitations and was made knowingly and voluntarily. The court orders sole decision-making to one parent in three situations. This happens when a limitation on the other parent is mandated by statute, when both parents oppose mutual decision-making, or when one parent reasonably opposes it. Otherwise, the court weighs five factors: any applicable limitation, each parent's history of participating in decisions, and each parent's demonstrated ability and desire to cooperate. The court also looks at the parents' geographic proximity, to the extent it affects their ability to make timely joint decisions.
The residential schedule
RCW 26.09.187(3) directs the court to make residential provisions that encourage each parent to maintain a loving, stable, and nurturing relationship with the child. These provisions must be consistent with the child's developmental level and the family's circumstances, and with any RCW 26.09.191 or 26.09.192 limitations. Where those limitations do not dictate the schedule, the court weighs several factors. These include the relative strength, nature, and stability of the child's relationship with each parent, and the parents' own knowing and voluntary agreements. The court also looks at each parent's past and potential future performance of parenting functions, including who has taken greater responsibility for the child's daily needs. Two more factors matter: the child's emotional needs and developmental level, and the child's relationships with siblings and other significant adults.
Limitations for abuse, neglect, and other risk factors
RCW 26.09.191 sets out situations where Washington law requires or allows the court to limit a parent's residential time or decision-making authority. These situations generally involve a history of abuse, neglect, abandonment, domestic violence, or a similar serious risk to the child. When any of these limiting factors apply, they take priority over the general residential-schedule and decision-making factors in RCW 26.09.187. This means the court addresses the safety-related limitation first, before weighing the broader best-interest-style factors.
Where a Washington custody case is filed and getting help
Washington parenting plan cases are filed in Washington Superior Court for the appropriate county. This applies whether the case is connected to a divorce, a legal separation, or a parentage action between unmarried parents. The Washington Courts website publishes statewide self-help resources for family law matters, including information relevant to parenting plans. A parent should confirm current local forms with the Superior Court clerk handling the case. The clerk can also confirm any county-specific mediation or parenting seminar requirements.
Sources: RCW 26.09.187, criteria for establishing permanent parenting plan, Washington Courts: self-help resources
Not independently confirmed
- The full text and specific mandatory/discretionary categories of RCW 26.09.191 were described in general terms and not independently re-extracted in full in this session; confirm exact current statutory language before relying on a specific limitation category.
- Whether a parenting seminar or mediation is mandatory statewide, or varies by county, was not confirmed.
Child Custody in Washington: frequently asked questions
Does Washington use the word custody?+
Not as the controlling legal term. Washington law, under RCW 26.09.187, uses parenting plan to describe the document that covers dispute resolution, decision-making authority, and the residential schedule for a child. Washington Superior Court issues and enforces the parenting plan rather than a separate custody order.
How does a Washington court allocate decision-making authority?+
Under RCW 26.09.187(2), the court approves the parents' own knowing and voluntary agreement when it is consistent with any safety limitations. It orders sole decision-making to one parent when a limitation applies, both parents oppose joint decision-making, or one parent reasonably opposes it. Otherwise the court weighs each parent's history and ability to cooperate, along with geographic proximity.
What factors set the residential schedule in Washington?+
RCW 26.09.187(3) directs the court to weigh five factors, subject to RCW 26.09.191 safety limitations. These are the strength and stability of the child's relationship with each parent, the parents' own agreements, and each parent's past and potential future performance of parenting functions. Two more factors: the child's emotional needs and developmental level, and relationships with siblings and other significant adults.
What is RCW 26.09.191 in Washington custody law?+
It is the statute setting out mandatory and discretionary limitations on a parent's residential time or decision-making authority. These limitations apply in situations involving abuse, neglect, abandonment, domestic violence, or similar serious risk factors. When it applies, it takes priority over the general parenting plan factors in RCW 26.09.187.
Where do I file a parenting plan case in Washington?+
In Washington Superior Court for the appropriate county, whether the case is part of a divorce, a legal separation, or a parentage action between unmarried parents. The Washington Courts website publishes statewide self-help resources, and the Superior Court clerk can confirm local forms and requirements.
Can Washington parents be required to use mediation for their parenting plan?+
The court can order a dispute resolution process, such as mediation, unless a safety limitation under RCW 26.09.191 or 26.09.192 applies, or unless a parent cannot afford it. When ordering a process, the court weighs the parents' ability to participate effectively and their financial circumstances.
This page is general information about child custody in Washington, not legal advice for your situation. Laws, fees, and procedures change over time; confirm current details with Washington's own courts before relying on anything here. Virdix is not a law firm and is not licensed to practice law in Washington. Virdix does not prepare or file Washington divorce paperwork. It is not a substitute for an attorney licensed in Washington.
More Washington divorce guides
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