Tax credits are not deductions. A deduction reduces the income you're taxed on; a credit reduces the tax you owe, dollar-for-dollar. Some credits are even refundable, meaning if the credit is larger than your tax bill, the IRS sends you the difference as a refund. That's actual money in the mail, not a reduction in what you write a check for.
Families leave these credits on the table every year — the Earned Income Tax Credit, the Child and Dependent Care Credit, the education credits, and the marketplace health insurance subsidy each have a qualification quirk that hides them from the people they're built for.
Here are the five most-commonly missed family credits in 2026, with a quick self-check on each.
1. Child Tax Credit — and the refundable piece
What it is: Up to $2,200 per qualifying child under 17 — the 2025 reconciliation law raised the amount, and it is indexed going forward. Of that, up to $1,700 is refundable for 2026 as the Additional Child Tax Credit (ACTC) — meaning even if you have no federal tax liability, you can get this portion back as cash.
Who qualifies: Each child must have a valid Social Security number, be your dependent, lived with you more than half the year, and be a U.S. citizen / national / resident. The credit phases out for joint filers above $400K MAGI and single filers above $200K MAGI. The 2025 law also added a taxpayer SSN requirement — on a joint return, at least one spouse needs a valid Social Security number.
Why it's missed: Low-income families who don't think they need to file often don't — and a return that never gets filed can't claim the refundable ACTC.
Self-check:
- ✅ Do you have a child under 17 with a Social Security number?
- ✅ Did the child live with you more than half of 2026?
- ✅ Is your income below the phase-out thresholds?
If yes to all three, you likely qualify for some portion of the credit — confirm the dependency and citizenship/residency requirements above. File a return even if you have no tax owed.
2. Child and Dependent Care Credit
What it is: A credit for expenses you paid to care for a qualifying child under 13 (or a disabled dependent) so you could work or look for work. Worth 20% to 50% of up to $3,000 in expenses for one qualifying individual, or up to $6,000 for two or more. For 2026 the top rate rose from 35% to 50% for lower-income families — another 2025-law change — phasing down with AGI to a 20% floor at higher incomes.
Who qualifies: You (and your spouse, if married filing jointly) must both have earned income. Expenses must be for care while you're working — daycare, after-school programs, summer day camp (overnight camp doesn't count), babysitters, and registered nannies all qualify. School tuition for kindergarten and up does NOT count.
Why it's missed: Parents systematically forget about summer camp (one of the most commonly missed expenses), after-school care (because the school sends a separate invoice and parents don't think of it as "childcare"), and care paid in cash to relatives who aren't immediate family (this can qualify if you have the care provider's TIN and report properly).
Self-check:
- ✅ Did both parents (or single parent) have earned income in 2026?
- ✅ Did you pay anyone to care for your under-13 child so you could work?
- ✅ Summer day camp counts. After-school care counts. Day care counts. Babysitter for a date night does NOT count.
If yes, you owe yourself a few hours pulling together the documentation.
3. Earned Income Tax Credit
What it is: A refundable credit for working families with low-to-moderate income. For 2026 the maximum is $8,231 for a family with three or more qualifying children. The credit is structured so it grows with earned income up to a peak, then phases out as income rises further.
Who qualifies: Earned income (wages, salary, self-employment) within the EITC band — for 2026 the credit phases out completely around $63K (single) to $70K (married filing jointly) for families with three or more kids, with lower ceilings for smaller families. Investment income must be under $12,200. Both you and your kids need valid Social Security numbers.
Why it's missed:
- The eligibility math is non-intuitive and parents often assume they make too much (or too little) when they don't
- People with one good year and one bad year can swing in and out of eligibility without noticing
- Self-employed parents whose income drops below a certain threshold suddenly become eligible and don't realize it
- The federal EITC requires valid Social Security numbers, but several states now extend their own state EITC to ITIN filers — worth checking your state's rules
Self-check:
- ✅ Did you have earned income (W-2 or self-employment) in 2026?
- ✅ Was your total AGI below ~$70K for a married couple with three kids (thresholds are lower for smaller families)?
- ✅ Do you and your kids have Social Security numbers?
If yes, use the IRS EITC Assistant tool to confirm — or just ask us to run the math. Worth the 30 minutes.
4. American Opportunity Tax Credit (and Lifetime Learning Credit)
What it is:
- AOTC: Up to $2,500 per student for the first four years of post-secondary education. 40% of it is refundable — meaning even if you owe no tax, you can get up to $1,000 back as a refund. Phases out at $180K MAGI joint / $90K MAGI single.
- Lifetime Learning Credit: Up to $2,000 per tax return (not per student) for any post-secondary education — undergrad, grad school, professional courses, even one-off enrichment courses at qualifying institutions. Phases out at $180K / $90K. Not refundable.
Who qualifies: Tuition and required fees at an eligible institution. The student can be you, your spouse, or your dependent. Books and required supplies count for the AOTC even if not purchased from the school.
Why it's missed:
- Parents who pay for a kid in graduate school often don't realize AOTC was already used for undergrad and now LLC is the relevant credit — they file claiming AOTC, get the return rejected, and don't refile claiming LLC
- Parents who pay tuition for an adult kid (over 24 or otherwise non-dependent) often forget the adult kid can claim it on their own return
- You yourself can claim LLC for continuing education courses you're taking — most parents don't think to apply this to themselves
- The 40% refundable portion of AOTC is often missed when families have no tax liability
Self-check:
- ✅ Is anyone in your family in post-secondary education in 2026?
- ✅ Did you pay tuition + required fees + books for that student?
- ✅ Is the institution Title IV-eligible (most accredited colleges are; check the school's website)?
If yes to all three and your income is under the phase-out thresholds above, one of the two credits likely applies. The choice between AOTC and LLC depends on the student's year of study and whether the AOTC has been used in prior years.
5. Premium Tax Credit
What it is: A refundable credit for households that bought health insurance through the federal marketplace (Healthcare.gov) or a state exchange. It can be taken in advance (as a monthly subsidy that reduces your premium) or claimed on your tax return at year-end. The credit is calculated based on household income relative to the federal poverty level.
Who qualifies: The credit requires that you bought a plan through the marketplace; you cannot have been eligible for employer-provided coverage that's considered "affordable" by ACA standards; your household income must generally fall between 100% and 400% of the federal poverty level — and for 2026 that 400% cap is a hard cutoff again, after the enhanced subsidies that temporarily extended eligibility above it expired at the end of 2025. Even one dollar over the line can mean repaying the entire advance subsidy at tax time.
Why it's missed:
- Families who took the advance subsidy (most do) sometimes underestimate their income and end up owing excess subsidy repayment at tax time — and miss that they may be due additional subsidy if their actual income came in lower
- Self-employed parents whose income varies a lot year-to-year often guess wrong on the application and don't reconcile correctly
- Families who switch from marketplace to employer coverage mid-year often miss the partial-year credit reconciliation
Self-check:
- ✅ Did you buy health insurance through the marketplace at any point in 2026?
- ✅ Did you receive Form 1095-A from the marketplace at tax time?
- ✅ Did your actual income differ from what you estimated when you applied?
If yes to any of those, the reconciliation matters. The credit can swing several thousand dollars in either direction.
What to do with this list
Read it twice, then act on it once. The credits above represent — for an eligible middle-income family with two kids — somewhere between $3,000 and $12,000 of potential tax benefit, depending on which combination applies to your situation. Most families capture some of this without intentional effort; almost no family captures all of what they're entitled to without specifically going through the list.
The Family Tax Planning + Preparation engagement we offer ($150 consultation, credited toward the engagement — $750 all-in for the full 1040 + Schedules) explicitly runs through each of these credits against your actual situation. The credits flow through Schedule 8812, Schedule EIC, and Forms 2441, 8863, and 8962 — they don't auto-populate on simpler DIY tax software for households with any complexity beyond a single W-2.
This content is educational only. Personalized tax planning + preparation requires a separate engagement, including the consent required under IRC §7216. That consent is part of the engagement paperwork, sent before any return work begins. Insurance is offered by Ifeanyi Onubogu, a licensed insurance producer (NPN 20352929). Premium Tax Credit eligibility is determined by the Marketplace, not by us.
Want us to run your situation through all five credits (plus the rest of the federal benefits we've been writing about)? Start a Family Tax Planning + Preparation engagement at waltoria.io/get-started — $150 consultation, credited toward the $750 all-in engagement for the full 1040 + Schedules, designed to run every one of these credits against your actual situation.
