How Do I Adopt My Stepchild?

If you have been raising your spouse's child as your own, adoption can turn that everyday reality into a permanent legal bond. Stepparent adoption is one of the more streamlined paths under Washington law, but it still has clear requirements you need to meet.

What a Stepparent Adoption Actually Does

A stepparent adoption makes you the legal parent of your spouse's child, with all the rights and responsibilities that come with parenthood. Once the court enters the decree, you are the child's parent in every legal sense, and that status does not disappear if circumstances change later. Because the outcome is permanent, Washington handles stepparent adoption through the same adoption chapter as any other adoption, chapter 26.33 RCW, but with a few features that make the process more manageable for families who are already together.

For families across Snohomish County, this is one of the most common adoptions we see, precisely because so many blended families want to give a child the security of a formal legal relationship with the parent who has been there all along.

The Central Hurdle: The Other Parent

The most important issue in almost every stepparent adoption is the child's other legal parent. A child generally has two legal parents, and Washington law will not simply add a third or quietly erase one. Before you can step into that role, the other parent's legal relationship to the child must be resolved.

There are two ways this typically happens. The first is consent. Under RCW 26.33.160, a parent's consent to adoption is generally required, so if the other legal parent agrees, he or she can sign a written consent that clears the way for your adoption. That consent is a formal document signed under penalty of perjury, and the statute requires that it not be presented to the court until at least forty-eight hours after it is signed or forty-eight hours after the child's birth, whichever comes later.

The second path applies when the other parent will not or cannot consent. In that case, the other parent's rights must be terminated before your adoption can be finalized. RCW 26.33.120 allows a court to terminate a parent-child relationship on a showing, by clear, cogent, and convincing evidence, that termination is in the child's best interest and that the parent has failed to perform parental duties under circumstances showing a substantial lack of regard for parental obligations while withholding consent contrary to the child's best interest. This is a demanding standard, and it exists to protect a parent's fundamental rights. In some situations, RCW 26.33.170 also allows the court to dispense with a parent's consent under specific circumstances involving serious criminal conduct, provided the adoption is in the child's best interest.

Filing the Petition

Like every adoption, a stepparent adoption begins with a petition. Under RCW 26.33.150, the prospective adoptive parent files a petition for adoption containing identifying information about the adopting parent and the child, a statement about whether the child is an Indian child under the Indian Child Welfare Act, and information about who has custody. The petition is signed under penalty of perjury, and because you are married to the child's parent, your spouse's participation is naturally part of the picture.

If the other parent is going to consent, that written consent is filed in the case. If instead their rights need to be terminated, RCW 26.33.100 allows a prospective adoptive parent who seeks to adopt the child of his or her spouse to file a petition for termination of the parent-child relationship of a parent who has not signed a consent. That provision is written specifically with stepparents in mind.

The Streamlined Home Study

Here is where stepparent adoption stands apart. In most adoptions, a preplacement report, or home study, is required to evaluate the prospective parents. Under RCW 26.33.220, however, unless the court orders otherwise, the preplacement report required by RCW 26.33.190 is not required when the petitioner seeks to adopt the child of the petitioner's spouse. That single exemption removes one of the more time-consuming steps in a typical adoption.

This does not mean there is no oversight. The court still reviews the case and can order additional information if it sees a reason to, and the general protections of chapter 26.33 RCW still apply. But for a stable family already living together, the process is meaningfully lighter than it would be for an agency or private placement.

The Hearing and Final Decree

Once the paperwork and any required consents or terminations are in order, the case moves toward a hearing. RCW 26.33.240 provides that the court schedules a hearing on the petition at the petitioner's request, reviews the petition and any reports, and, if it finds that all necessary consents are valid or have been properly dispensed with and that the adoption is in the child's best interest, enters a decree of adoption. The final decree, governed by RCW 26.33.250, formally establishes you as the child's legal parent and can include a name change if the family wishes.

Taking the Next Step in Snohomish County

Stepparent adoptions in Everett, Marysville, Lynnwood, and throughout Snohomish County follow this same framework, and the outcome, permanent legal parenthood, is worth the care the process requires. The trickiest part is almost always resolving the other parent's rights, whether through consent or termination, and getting that step right protects your family for the long run.

If you are ready to adopt your stepchild, the Law Office of Chad Foster can help you understand your options and guide the process from petition to decree. Reach out to talk through your family's situation.