Frequently Asked Questions: Stepparent Adoption Cost Breakdown by State (2026 Guide)

The short answer: a stepparent adoption is one of the least expensive legal cases a family can file. Your costs come in three parts: preparing the paperwork, the court's own fees, and a few third-party costs such as service, newspaper publication or certified copies. Our complete document package is $349 for the first child, plus $99 for each additional child. Court fees depend on your state and county; for example, California's courts list a $20 filing fee, while Manatee County, Florida lists $400 for a joint stepparent adoption petition. And the other parent's consent rarely adds cost: in our experience, about 80% of the stepparent adoptions we've completed went forward without the other biological parent's consent.

What Does a Stepparent Adoption Cost in Total?

There isn't one national price, because each state and county sets its own court fees. What every family pays for falls into the same categories:

Cost item	What to expect
Document preparation (StepParent Adoption 360)	$349 for the first child, plus $99 for each additional child
Court filing fee	Set by your state or county; see the examples below
Investigation or background check	Many states require a criminal background check; some charge an investigation fee
Serving the other parent	Sheriff or process server fee where he can be found
Newspaper publication	Only if the other parent can't be found; set by the newspaper
Certified copies of the decree	Charged by the court clerk
New birth certificate	Charged by the vital records office in the child's birth state
Attorney	Optional for most families; mainly worth it if the other parent actively contests

For most uncontested adoptions, preparing the papers yourself with a document package keeps the total far below what full attorney representation costs.

Court Filing Fees: Real Examples by State

Rather than guess at a national average, here are fees we checked directly against official court and clerk sources. Fees change, so always confirm with your clerk before filing.

Where	What the court lists	Source
California (statewide)	$20 filing fee; a stepparent adoption investigator's fee of up to $700 may be charged at filing, and a fee waiver can be requested	California Courts Self-Help Guide
Manatee County, Florida	$400 for a Joint Petition for Stepparent Adoption	Manatee County Clerk fee listing
Wood County, Ohio	$338 deposit for a stepparent adoption; publication estimated at $100	Wood County Probate Court

These numbers show how widely fees vary: other counties in the same state can charge differently. For deeper state breakdowns, see our cost guides for Florida, Illinois, Ohio and North Carolina, or find your state in our state guides.

Does Not Having the Other Parent's Consent Cost More?

Usually not. Families often expect this to be the expensive part, and it rarely is. In our experience, about 80% of the stepparent adoptions we've completed went forward without the other biological parent's consent. That's the real world in courtrooms every day: the father never signs a consent, and the judge approves the adoption anyway, typically because he stopped visiting and supporting the child for the period the state sets, can't be found, or has passed away.

The added cost is usually just notice. If you know where he is, he's served by a sheriff or process server. If you don't, the court allows notice by publication in a newspaper, and you pay the newspaper's charge. Wood County, Ohio, for example, estimates publication at $100. If he doesn't respond by the deadline, the adoption moves forward.

Each state sets its own period. New York, for example, doesn't require consent from a parent who for six months failed to visit and communicate with the child although able to (DRL § 111(2)(a)); Pennsylvania uses conduct lasting at least six months before the petition is filed (23 Pa.C.S. § 2511(a)(1)). An occasional text or one visit over many months generally isn't the regular involvement courts look for.

Is a Home Study Required, and What Does It Cost?

For many families, no full home study is needed. Many states don't require a full home study for stepparent adoptions, though many still require a criminal background check (Child Welfare Information Gateway). Florida, for example, doesn't require a preliminary home study when the petitioner is a stepparent unless the court orders one for good cause (Fla. Stat. § 63.092(3)).

Some states use a shorter investigation instead. California's courts describe a stepparent investigation with a fee of up to $700, which can be waived for families who qualify. Your state guide explains what your state requires.

Can I Save Money by Not Hiring a Lawyer?

Yes, for most families. The Child Welfare Information Gateway notes that most states make the process easier for stepparents and that your family may not need to be represented by a lawyer. In an uncontested case, including the common case where the other parent has simply been absent, the work is mostly paperwork: a correct petition, the right attachments, proper notice and a short hearing.

There are exceptions. Indiana, for example, requires a petition to adopt a minor to be filed by an attorney of record (Ind. Code § 31-19-2-2(a)). And if the other parent actively fights the adoption, that's a good time to talk to a local attorney. StepParent Adoption 360 is a document-preparation service, not a law firm.

Are There Costs After the Adoption Is Final?

A few small ones. Plan for:

One cost that doesn't apply: the federal adoption tax credit. The IRS states that you can't claim the credit for expenses related to adopting your spouse's child.

Can an Unmarried Partner Adopt, and Does It Cost More?

Stepparent adoption is built for a parent's spouse. In California, for example, the stepparent process is for the child of your spouse or registered domestic partner. Some states allow an unmarried partner to adopt through a "second-parent" adoption, in which the child's parent keeps all of their rights. Availability depends on the state, so check your state guide. Where it's available, the cost categories are the same.

Does a Longer Case Cost More?

Not by much. Most of your costs are paid once: preparation, the filing fee and notice. Many uncontested adoptions finish within a few months; the county court calendar and any publication period set the pace. Extra costs come mainly from repeating a step, such as re-serving a parent or re-publishing a notice that wasn't done correctly, which is why getting the paperwork right the first time matters.

Frequently Asked Questions

How much does a stepparent adoption cost?

Our complete document package is $349 for the first child, plus $99 for each additional child. Court fees are separate and set by your state and county: California lists a $20 filing fee plus an investigator fee of up to $700, while Manatee County, Florida lists $400 for a joint stepparent petition.

Does it cost more if the father won't sign or can't be found?

Usually only the cost of notice: a process server, or a newspaper publication if he can't be found. In our experience, about 80% of the stepparent adoptions we've completed went forward without the other parent's consent.

Do I have to pay for a home study?

Many states don't require a full home study for stepparent adoptions, though many require a criminal background check. Some states, such as California, charge an investigation fee instead.

Can I claim the adoption tax credit for adopting my stepchild?

No. The IRS says you can't claim the adoption credit for expenses related to adopting your spouse's child.

Is the $349 package the same as the court filing fee?

No. The $349 covers preparing your documents. Court filing fees, service or publication and certified copies are paid separately. See the stepparent adoption cost guide.

About the Author

Doug Brown, Founder. Doug Brown has helped families prepare stepparent and adult adoption paperwork since 2001: more than 34,000 families in all 50 states. StepParent Adoption 360 is a document-preparation service, not a law firm, and doesn't give legal advice.

Sources: California Courts Self-Help Guide, "Stepparent adoption" and "File your stepparent adoption request"; Manatee County Clerk of the Circuit Court fee listing; Wood County (Ohio) Probate Court filing fees and deposits; Fla. Stat. § 63.092(3); N.Y. Domestic Relations Law § 111; 23 Pa.C.S. § 2511(a)(1); Ind. Code § 31-19-2-2; IRS, "Adoption credit"; Child Welfare Information Gateway, "Stepparent Adoption" factsheet. County fees were checked October 2026 and can change. Company figures (34,000+ families since 2001; about 80% of completed stepparent adoptions without the other parent's consent) are from our own records.