When Can You Claim an Adopted Child on Your Taxes?

You can claim an adopted child on your taxes as a dependent as soon as the child is lawfully placed in your home by an authorized agency, even before the adoption is final. When you can start claiming adoption expenses is a separate question, and the answer depends on whether the adoption is domestic or international. Domestic adoptions let you claim qualified expenses a year after you pay them even if the adoption is still pending; international adoptions make you wait until the adoption is final and then claim every prior year’s expenses at once.

When the Child Becomes Your Dependent

For dependency purposes, an adopted child, or a child lawfully placed with you for adoption, counts the same as a biological child. Placement by an authorized adoption agency satisfies the relationship test on its own.¹

Three other tests still have to be met in the year you claim the child:

Residency. The child has to live with you for more than half the tax year. Temporary absences for school, medical care, or vacation still count as time in your home.²
Support. The child cannot have provided more than half of their own support during the year.
Age. The child must be under 18 at the time of adoption, unless they are physically or mentally unable to care for themselves.³

One boundary matters up front: adopting your spouse’s child does not qualify for the adoption tax credit. Stepparent adoptions are legally real, but the IRS excludes their expenses from the credit entirely.⁴

Claiming Expenses for a Domestic Adoption

For a domestic adoption of a U.S. child, you don’t have to wait for the final decree to claim qualified expenses. If you pay expenses in a year before the adoption is finalized, you claim them on the following year’s return. If the adoption becomes final during the year you paid the expenses, you claim everything that same year. Expenses paid after finalization are claimed in the year you pay them.³

Here’s how that plays out. A family that pays $8,000 in attorney fees in 2026 on an adoption still in progress would claim those expenses on the 2027 return. If the adoption finalizes in 2027, any additional expenses paid that year go on the 2027 return as well.⁵ Domestic adopters see the money sooner because of this year-after-payment rule.

Claiming Expenses for an International Adoption

International adoptions follow stricter timing. You cannot claim any credit until the adoption is final. Once it’s final, all qualified expenses from every prior year get consolidated onto the return for the year of finalization.³ There is no year-after-payment option; you wait for the decree.

If your state requires a re-adoption after a foreign adoption, and the case is not under the Hague Convention, you can treat either the foreign finalization year or the U.S. re-adoption year as the year of finality, as long as the re-adoption happens within two years of the foreign proceeding.⁵

Getting an ID Number for the Child

Your return needs a taxpayer identification number for the child, and during an active adoption a Social Security Number often isn’t available yet. The IRS issues an Adoption Taxpayer Identification Number (ATIN) as a temporary stand-in. It’s a nine-digit number that lets you claim the child as a dependent and pursue the adoption credit while the legal process continues.⁶

Apply on Form W-7A. The application requires the child’s name and date of birth and documentation showing the child was placed in your home by an authorized agency: a placement agreement, a letter from the adoption attorney, a hospital release, or a court order approving placement all work. Apply well before your filing deadline.⁶

An ATIN has limits. The Earned Income Tax Credit requires a valid SSN for each qualifying child, and the Child Tax Credit has a similar SSN requirement, so a child with only an ATIN will not qualify for either.⁷ Apply for the child’s SSN as soon as the adoption is final, and use that number on every return going forward.

What the Credit Is Worth in 2026

For tax year 2026, the adoption credit covers up to $17,670 per child in qualified adoption expenses.⁸ The cap is per child, not per year, so a family adopting siblings can claim the full amount for each of them.

Beginning in 2025, part of the credit became refundable. For 2026, up to $5,120 can be paid to you as a refund even if you owe no federal income tax.⁹ The rest of the credit is nonrefundable: it reduces your tax bill dollar-for-dollar but won’t generate a refund on its own. Any nonrefundable amount you can’t use in the current year carries forward for up to five years, after which it’s lost.¹⁰

The credit starts phasing out once your modified adjusted gross income tops $265,080 for 2026, and it’s gone entirely at $305,080.⁸ The reduction is gradual across that range, so a family earning $285,000 still gets a partial credit. These thresholds adjust for inflation each year.

Special Needs Adoptions Skip the Expense Requirement

If a state or Indian tribal government determines that a child cannot or should not return to their parents’ home and is unlikely to be adopted without financial assistance, the child qualifies as having special needs under federal tax law. The child must also be a U.S. citizen or resident.³

For a special needs adoption, you can claim the full $17,670 credit in the year the adoption is finalized even if you paid nothing out of pocket.⁵ Documentation of the special needs determination can come from an adoption assistance agreement with the state or tribal government, or a letter from the relevant welfare agency confirming the designation.

If Your Employer Helps Pay

If your employer runs an adoption assistance program, you can exclude up to $17,670 in reimbursements from your gross income for 2026. The exclusion is separate from the credit, but the same income phase-out applies.¹¹

You can’t use both benefits for the same dollar of expenses. If your employer reimburses $6,000 of your $15,000 in qualified costs, you exclude the $6,000 from income and claim the remaining $9,000 as a credit. Calculate the exclusion first, then the credit; on Form 8839, that means finishing Part III before Part II.³

How You File

The credit and the employer exclusion are both claimed on Form 8839. The form asks for each child’s name, year of birth, identification number, and whether the child has special needs or is a foreign child, along with an itemized breakdown of qualified expenses paid in the current and prior years.⁵ Keep the final adoption decree or placement agreement, itemized receipts, and any state or tribal adoption assistance agreement in your records; the IRS can ask for them later.

Married couples generally have to file jointly to claim the credit. A narrow exception lets you file separately and still claim it if you lived apart from your spouse for the last six months of the tax year, the child lived in your home for more than half the year, and you paid more than half the cost of maintaining the household. If you’re carrying forward unused credit from a prior joint return, you can claim that carryforward on a separate return in the current year.⁵

1
Internal Revenue Service. Dependents
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Internal Revenue Service. Qualifying Child Rules
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Internal Revenue Service. Adoption Credit
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Internal Revenue Service. Instructions for Form 8839
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Internal Revenue Service. 2025 Instructions for Form 8839
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eCFR. 26 CFR 301.6109-3 – IRS Adoption Taxpayer Identification Numbers
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Internal Revenue Service. Child Tax Credit
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Internal Revenue Service. Revenue Procedure 2025-32
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Internal Revenue Service. One, Big, Beautiful Bill Provisions – Individuals and Workers
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Office of the Law Revision Counsel. 26 U.S.C. 23 – Adoption Expenses
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Office of the Law Revision Counsel. 26 U.S.C. 137 – Adoption Assistance Programs