Montana Adoption Guide (2026)

Adoption in the Treasure State is defined by its vast landscapes and equally large hearts. Montana offers a supportive legal environment for families and birth parents alike. This guide provides the necessary information to understand Montana’s laws and connect with the agencies and professionals who can help you on your journey.

Montana Adoption Laws at a Glance

Who Can Adopt?	Any adult who is at least 18 years old and a resident of Montana.
Residency Requirements	The petitioner must have lived in Montana for at least 90 days prior to the adoption placement.
Marital Status	Single adults and married couples may adopt. If married, both spouses must join the petition.
Birth Mother Consent	Consent can be signed 72 hours after the child’s birth.
Revocation Period	Consent is generally irrevocable upon signing, unless it was obtained through fraud or duress.
Birth Father Rights	Montana law requires notice to be given to a putative father if his identity is known or if he has established a relationship with the child.

Adoption laws are complex. This is a summary for informational purposes only. Please consult with a qualified Montana adoption attorney for legal advice.

Paths to Adopting a Child in Montana

Private Infant Adoption

This process involves adopting a newborn through a private agency or attorney. In Montana, birth parents play a central role in selecting the family and deciding how much contact they wish to have in the future.

Adopting from Foster Care

Montana’s foster care system seeks permanent homes for children who cannot return to their biological parents. This path is often chosen by families who wish to adopt older children or keep sibling groups together.

Stepparent or Relative Adoption

This allows a stepparent or a relative to legally become the parent of a child they are already raising. Montana law provides a clear path for these families to formalize their bonds.

A Deeper Look at Montana Adoption Laws

Who is Eligible to Adopt in Montana?

Montana law is straightforward, focusing on the petitioner’s ability to provide a safe and nurturing home. The 90-day residency requirement is relatively short, making the process accessible for those who have recently moved to the state.

Birth Parent Consent in Montana

The 72-hour waiting period after birth is standard, giving the mother time to recover before making a legal decision. Because consent is generally final once signed, Montana agencies place a heavy emphasis on pre-placement counseling to ensure the birth parents are fully prepared.

The Home Study Process in Montana

A Montana home study includes a review of your criminal history, child abuse registry checks, and financial records. A social worker will conduct multiple interviews and a home inspection to ensure your environment is safe and that you are prepared for the lifelong commitment of adoption.

Find Montana Adoption Agencies and Professionals

Statewide and National Agencies Serving Montana

• A New Hope Adoption Agency: A Montana-based agency providing full domestic adoption services.
• The Gladney Center for Adoption: Offers national expertise and supportive services to Montana families.

Billings and Missoula Area Agencies

• Catholic Charities of Montana: Offers domestic adoption services and support for expectant parents in major cities like Billings and Missoula.
• Youth Dynamics: Focuses on foster care and adoption support for children with behavioral and emotional needs.

Montana Adoption Attorneys

To find an adoption attorney, visit the American Academy of Adoption & Assisted Reproduction Attorneys (AAAA) directory for Montana.

Adopting from Foster Care in Montana

The Montana Department of Public Health and Human Services (DPHHS) manages the foster care system. There are thousands of children in Montana foster care, and the state works diligently to find adoptive families for those who are eligible. Montana provides subsidies and medical assistance for many children adopted through this path.

Resources for Expectant Parents in Montana

If you are facing an unplanned pregnancy in Montana, you have the right to choose adoption and select the family for your child. You must wait 72 hours after birth before you can sign legal documents. You are entitled to counseling and assistance with pregnancy-related medical and legal costs.