To adopt a child you have guardianship of, you need to end the biological parents’ legal rights to the child, file an adoption petition in your local family or probate court, complete a home study, and attend a final hearing where a judge signs the adoption decree. Because the child already lives with you, the process tends to move faster than a stranger adoption, but the consent and termination rules are strict and worth understanding before you file.
Why Adoption Is a Bigger Step Than Guardianship
Guardianship gives you authority to care for a child and make day-to-day decisions, but the biological parents remain the child’s legal parents. A court can end the guardianship if their circumstances improve, and parents often keep obligations like child support in the meantime.
Adoption is permanent. Once the decree is signed, the biological parents have no legal rights or obligations toward the child, you assume every right and responsibility of a parent, and the child gains full inheritance rights from you identical to a biological child’s. That permanence is why courts require more legal groundwork here than they do for guardianship.
Ending the Biological Parents’ Rights
No adoption can go forward until the biological parents’ legal relationship with the child is ended. There are two ways to get there, and which one applies depends on whether the parents cooperate.
Voluntary Consent
The simpler route is for both biological parents to sign a formal consent to the adoption. The birth mother and the birth father, if he has established paternity, both hold the primary right to consent. Most states require consent to be signed after the child’s birth, witnessed by an authorized person, and sometimes notarized. Witness and notarization rules vary state to state.
Signed consent is not always final on the spot. Most states allow a revocation window during which a parent can withdraw consent, ranging from as few as 3 days in some states to 30 or even 60 days in others. Many states also let a parent challenge a consent later by showing fraud, duress, or coercion, sometimes for up to a year after signing. Confirm your state’s revocation rules before you rely on a signed consent to move ahead.
Involuntary Termination
If a biological parent refuses to consent or cannot be found, you have to petition the court to terminate their parental rights involuntarily. Courts treat termination as one of the most serious actions in family law and require clear and convincing evidence that the parent is unfit and that ending the relationship serves the child’s best interests. Common grounds include abandonment, severe abuse or neglect, long-term substance abuse, and a demonstrated inability to provide for the child’s basic needs.
When a parent’s location is unknown, most states require a diligent search before the court will consider termination. That usually means checking public records, contacting known relatives, and sometimes searching a state putative father registry. If the search fails, the court may allow notice by publication in a newspaper. Only after those efforts can the case proceed without the parent.
When an Agency Holds Custody
If the child came into your guardianship through the foster care system, a child welfare agency may hold legal custody, and in that case the agency rather than the parents may need to consent. The same is true if a court previously transferred custody to another person or institution. Check who technically holds legal custody before you file, because the required consent or termination paperwork changes with the answer.
Does the Child Have to Consent?
Most states require older children to consent to their own adoption. Roughly 24 states set the threshold at age 14, about 20 states set it at age 12, and a handful require consent from children as young as 10. A court can often waive the requirement if the child lacks the mental capacity to consent or if the judge finds a waiver serves the child’s best interests.
Filing the Adoption Petition
The adoption petition is your formal request asking the court to grant the adoption. You file it in the family or probate court in your county. You will generally need:
- Full legal names and addresses for yourself, the child, and the biological parents
- A certified copy of the child’s birth certificate
- The court order that originally established your guardianship
- Signed consent forms from the biological parents, if applicable
- A certified death certificate if either biological parent is deceased
- Any prior court order terminating parental rights
Filing fees vary widely by jurisdiction, and fee waivers are available in many courts for petitioners who meet income guidelines. Forms come from the local court clerk’s office or the court’s website, and some courts run self-help centers that walk you through the paperwork. An attorney is not legally required in most states, but the process has enough procedural traps that legal help is worth considering, especially if the biological parents contest the adoption or if involuntary termination is involved.
The Home Study
Every state requires families applying to adopt to complete a home study. A licensed social worker or agency conducts the assessment, which includes interviews, background checks, a review of your finances, and a physical inspection of your home. The point is to verify the home is safe and that you are ready to be a permanent parent.
As a guardian you have an advantage: the child already lives with you, and you have a track record of caregiving. The assessment may be somewhat streamlined compared to a stranger adoption, but it still has to happen. A private agency or licensed social worker typically charges $1,000 to $3,000. If the adoption goes through a public child welfare agency, the home study is often provided at no cost.
After the petition is filed and the home study is approved, a caseworker will usually visit you and the child at least once every 30 days during a post-placement period and file written reports with the judge.
Timeline and the Final Hearing
There is no universal timeline. Some cases wrap up in a few months, others take a year or more. The biggest variables are whether parental rights are already terminated, how quickly the home study is done, and your local court’s backlog. Contested cases where a biological parent fights the termination add the most time.
The process ends with a final court hearing. The judge reviews the file, confirms every legal requirement has been met, and signs the adoption decree. Once that decree is signed, you are the child’s legal parent.
After the Decree Is Signed
Get several certified copies of the decree from the court clerk right away, because nearly every step that follows requires one.
Amended Birth Certificate
Use the decree to request an amended birth certificate from the vital records office in the state where the child was born. The amended certificate lists you as the legal parent and includes any new name. It legally replaces the original.
Social Security Card
If the child’s name changed, update the Social Security Administration. You can start by calling 1-800-772-1213 or visiting a local office. Bring the adoption decree and the child’s current Social Security card. A replacement card with the new name usually arrives by mail in 5 to 10 business days.
Health Insurance
Finalizing an adoption is a qualifying life event for health coverage. For marketplace plans, you have 60 days from the adoption date to enroll the child, and coverage can start the day the adoption was finalized even if you sign up weeks later. Employer-sponsored plans must provide at least a 30-day enrollment window. Medicaid and the Children’s Health Insurance Program accept applications year-round with no enrollment window.
The Guardianship Ends
The adoption decree supersedes the guardianship. Once the adoption is final, the guardianship has no further legal effect because you are the child’s parent, not their guardian. Some courts formally terminate the guardianship as part of the adoption proceeding; others treat it as automatically dissolved. Either way, the guardianship order’s terms and reporting requirements no longer apply.
If the Child May Be an Indian Child
If the child is a member of, or eligible for membership in, a federally recognized Indian tribe, the Indian Child Welfare Act adds requirements that override standard state adoption procedures. Federal law sets a placement preference order for the adoption of an Indian child: first, a member of the child’s extended family; second, other members of the child’s tribe; and third, other Indian families. A tribe can set a different preference order by resolution, and the court must follow it.
The child’s tribe must be notified of the proceeding and has the right to intervene. Consent rules are stricter as well: in some states, a parent’s consent to the adoption of an Indian child can be withdrawn at any time before the final decree. Raise possible tribal connections with the court early, because ICWA noncompliance can lead to an adoption being overturned after finalization.
Federal Adoption Tax Credit and Assistance
The federal government offers a tax credit for qualified adoption expenses, including court costs, attorney fees, and home study fees. For the 2025 tax year, the maximum credit is $17,280 per child, with up to $5,000 of that amount refundable even if your tax liability is zero. Any unused non-refundable portion can be carried forward for up to five years. The credit amount adjusts annually for inflation.
The credit phases out at higher incomes. For 2026, the phase-out begins at a modified adjusted gross income of $265,080 and eliminates the credit entirely at $305,080. Claim it by filing IRS Form 8839 with your return for the year the adoption becomes final.
If the child was adopted from foster care and has been determined to have special needs, federal adoption assistance payments may also be available through the Title IV-E program. Eligibility depends on the child’s circumstances rather than the adoptive family’s income, and monthly assistance can continue until the child turns 18. Contact your state’s child welfare agency to find out whether the child qualifies.