What are the requirements for stepparent adoption in Illinois?

In Illinois, a stepparent adoption is filed in the Circuit Court in your county, and the main requirements are the other parent's consent or a finding of abandonment, your child's consent if they are 14 or older, and a court process that usually waives the home study. Illinois has no residency period for a stepparent adoption, so you don't have to live in the state for a set time first (750 ILCS 50/2).

Here is how each requirement works:

• Residency: There is no minimum residency period for a stepparent adoption. The 6-month rule does not apply to a related child (750 ILCS 50/2).
• The other parent: Consent from the child's other legal parent is the usual route. If that parent is absent, Illinois sets a 12-month abandonment period (750 ILCS 50/1). Illinois also has procedures for cases where the other parent cannot be located, and termination of that parent's rights is handled within the adoption proceeding rather than as a separate case (the data says "terminationSeparate false" - restated plainly).
• Your child's consent: A child who is 14 or older must consent to the adoption (750 ILCS 50/12).
• Home study: Illinois does not require a home study for most stepparent adoptions, and it is waived in these cases (750 ILCS 50/6).
• Where you file: The petition goes to the Circuit Court in your county. Illinois has 102 counties, and each clerk's office can tell you about local filing procedures, such as how to schedule the hearing.

Cost and timeline: Court filing fees typically fall in the range of $200-$500, depending on the county. A stepparent adoption in Illinois commonly takes about 3-6 months. The typical total cost is under $565, compared with $3,000-$5,000+ when hiring an attorney. If you are adopting an adult, Illinois allows it with the adult's consent, and that process typically takes about 4-8 weeks.

Situations that depend on your facts: Some points are not spelled out here, such as background check requirements or what happens if the other parent objects. The Circuit Court clerk in your county can confirm the current local requirements. If the other parent contests the adoption or you are unsure how abandonment applies to your situation, an Illinois attorney can advise you on that specific issue.

Why it matters: Adoption by a stepparent establishes inheritance rights, gives you medical decision-making authority, supports eligibility for Social Security and insurance benefits, and recognizes your family in the eyes of the law.

How we help: StepParent Adoption 360 is a document preparation service, not a law firm. You answer questions online, and we prepare the complete court document package for your county. Court-ready documents are delivered within 24-48 hours after you finish the questions, and you file them yourself without an attorney. The price is $349 for the first child (or for one adult adoptee) and $99 for each additional child, backed by our 100% court acceptance guarantee. We have helped 1101 Illinois families, and 34,000+ families nationally since 2001.