Tax Shop
Tax Shop
Charles Trautman, EA · Since 1969

Head of Household

It’s the most valuable filing status most people don’t know they qualify for.

It’s also the one the IRS checks most.

Both of those are true for the same reason.

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Head of household sits between single and married filing jointly. For 2026 it carries a $24,150 standard deduction against $16,100 for single, and its tax brackets are wider, so the same income is taxed less. For a single parent earning $70,000, the difference against filing single is usually $1,000 to $1,500 a year, before any credits. That is why it matters, and it is why the IRS requires paid preparers to document every one.

The rules are short. The disputes come from people applying them loosely: a boyfriend who lives in the house, a child who is away at college, a parent who lives across town, a spouse who moved out in August. Below are the three tests, what counts and what doesn’t, and the places people get it wrong.

On this page

  1. Three Tests, All Required Unmarried, paid more than half, a qualifying person
  2. Unmarried on December 31 Including “considered unmarried”
  3. More Than Half the Cost of the Home What counts as keeping up a home
  4. The Qualifying Person Children, relatives, and the parent exception
  5. What It’s Worth 2026 numbers, single vs. head of household
  6. Where It Goes Wrong The claims that bring letters
  7. A Worked Example Maria, two kids, $68,000
  8. Colorado Follows federal, with one credit worth knowing
  9. Questions we get
  10. What to bring
  11. Preparer’s notes

Three Tests, All Required

The IRS calls it: head of household, Section 2(b)

You can file as head of household for 2026 if all three are true:

  • You were unmarried, or considered unmarried, on December 31, 2026.
  • You paid more than half the cost of keeping up a home for the year.
  • A qualifying person lived with you in that home for more than half the year, with one exception for a dependent parent.

Miss any one and you file single (or married filing separately). There is no partial credit and no “close enough.” Each test has its own definitions, and they are below.

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Unmarried on December 31

The IRS calls it: marital status at year end, and “considered unmarried”

Divorced, legally separated under a court decree, widowed before 2026, or never married: you pass. Married on December 31, even if separated and living apart since February: you are married, and you file jointly or separately, unless you meet the considered-unmarried test. That test has four parts: you file a separate return, you paid more than half the cost of your home, your spouse did not live in the home during the last six months of the year, and the home was the main home of your child, stepchild or foster child for more than half the year, and you can claim that child (or could, but let the other parent claim the child with Form 8332).

Two points that trip people. A separation agreement between the two of you is not a legal separation; only a court decree is. And “did not live in the home” means did not live there at all; a spouse who stays a few nights in November fails the test for the whole year.

If your spouse is a nonresident alien, you can treat yourself as unmarried for head-of-household purposes even while married, provided a qualifying person other than the spouse lives with you.

Widows and widowers: for the two years after the year your spouse died, you may be able to use the qualifying surviving spouse status instead, which uses the joint rates and is better than head of household. It requires a dependent child living with you. Our page on the widow’s penalty covers what happens after that.

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More Than Half the Cost of the Home

The IRS calls it: maintaining a household

Add up what it cost to run the home for the year and you must have paid more than half of it from your own money. Counts: rent or mortgage interest, property taxes, homeowner’s or renter’s insurance, repairs, utilities, and food eaten in the home. Does not count: clothing, school tuition, medical care, vacations, life insurance, car payments, or the value of your own housework.

Money matters by source. Child support you receive and spend on the home counts as your payment. Public assistance, including SNAP, counts as paid by someone else. If a parent or boyfriend pays the rent, that is their payment, not yours. A roommate who pays half the rent means you paid half, not more than half, and you fail; the test is strictly more than 50%.

Keep this simple at the desk: list the home costs, list who paid them, and the answer falls out. Most people pass this test comfortably. The ones who don’t are usually sharing a home with another adult who contributes, and that is the situation the IRS asks about.

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The Qualifying Person

The IRS calls it: a qualifying child or a qualifying relative, with a relationship to you

The person who lived with you more than half the year has to be one of these:

  • Your qualifying child: your child, stepchild, foster child, sibling, step-sibling, half-sibling, or a descendant of any of them, under 19 (or under 24 and a full-time student, or any age if permanently disabled), who lived with you more than half the year and did not provide more than half of their own support. The child does not have to be your dependent: a child you let the other parent claim with Form 8332 still qualifies you for head of household.
  • Your qualifying relative who is your dependent and is actually related to you: a parent, grandparent, sibling, aunt, uncle, niece, nephew, or in-law. A dependent who qualifies only because they lived with you all year, such as a partner or a partner’s child, does not make you head of household, even though you can claim the $500 credit for them.

The parent exception. Your mother or father does not have to live with you. If you can claim your parent as a dependent and you pay more than half the cost of keeping up their home, including a room in an assisted-living facility or nursing home, you qualify. This is the exception most often missed by adult children paying for a parent’s care.

Temporary absences count as time at home: college, a hospital stay, summer camp, military service, a few months with the other parent under a custody schedule that still leaves you with more nights. A child away at college for nine months whose home is still your home lived with you all year for this test.

Only one person can claim a given child for head of household in a year. If both parents live with the child and both are single, the one with more nights wins, and if nights are equal, the higher income. Two parents in the same home cannot both be head of household on the strength of the same child.

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What It’s Worth

2026 figures, single vs. head of household

SingleHead of household
Standard deduction$16,100$24,150
Top of the 10% bracket$12,400$17,700
Top of the 12% bracket$50,400$67,450
Top of the 22% bracket$105,700$105,700
Earned income creditSame table, but head of household is the status single parents use to claim it

The deduction is $8,050 larger and the 12% bracket runs about $17,000 further before the 22% rate starts. For a parent with $60,000 of wages, that is roughly $1,100 less federal tax than filing single. Above about $106,000 the brackets converge and the advantage is mostly the larger deduction.

So the government gives me a bigger deduction for raising a child alone, then asks me to prove it every year. I suppose that’s fair. I’d rather have the help with the laundry.

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Where It Goes Wrong

The claims that bring letters

  • Both parents claim it for the same child. Only the parent with more nights qualifies. The other parent files single, even in a year they claim the child tax credit under Form 8332.
  • The partner’s child. A dependent who is not related to you by blood, marriage or adoption never makes you head of household.
  • The spouse who moved out in August. The last-six-months test runs July 1 to December 31. A spouse in the house on July 10 means married filing separately, or jointly.
  • Half the rent. Splitting a home 50/50 with another adult fails the more-than-half test. One of you can qualify; it has to be the one who paid more.
  • The parent across town whom you help but don’t support more than half. The parent exception requires that you could claim the parent as a dependent, which means more than half of their total support, including their Social Security spent on themselves.
  • An adult child who earns too much. A 20-year-old working full time who pays most of their own way is not a qualifying child, and usually not a qualifying relative either (the 2026 gross-income limit for a qualifying relative is $5,250 (verify)).

Because of the error rate, the IRS requires paid preparers to complete a due-diligence checklist for every head-of-household return and keep the answers for three years. We will ask you the questions above. It is not suspicion; it is the form.

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A Worked Example

Maria, two children, $68,000 of wages

Maria divorced in 2024. Her children, 8 and 14, live with her 250 nights a year and with their father the rest. The decree lets him claim the 14-year-old on his return. Maria’s mother moved into Maria’s house in March.

Unmarried: yes, divorced. More than half the home: Maria pays the whole mortgage, taxes, utilities and groceries; her mother contributes $400 a month toward food. Maria paid well over half. Qualifying person: the 8-year-old, who lives with her more than half the year. The 14-year-old would qualify her too, even in the years the father claims him. Her mother is a third option if Maria provides more than half her support, which depends on the mother’s Social Security.

Result: head of household, $24,150 standard deduction, taxable income $43,850, federal tax about $4,900. Filed single, the tax would be about $6,100. The $1,200 difference is before the child tax credit and the dependent care credit, which she also gets as the custodial parent.

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Colorado

Colorado uses your federal filing status and federal taxable income, so head of household carries straight through at 4.40% on a smaller taxable income. Colorado’s own child tax credit and its child care expenses credit are for families under certain income levels, and both follow the federal claim: the parent who claims the child’s credits federally claims them in Colorado. There is no separate Colorado head-of-household test.

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Questions we get

My boyfriend and his daughter live with me and I support them both. Can I file head of household?

You can claim them as dependents if they lived with you all year and you provided more than half their support, but neither makes you head of household. The qualifying person has to be related to you. You file single.

My son is at college in Fort Collins nine months a year. Does he still count?

Yes. School is a temporary absence. If your home is still his home, he lived with you all year for this test, through age 23 while a full-time student.

My mother is in assisted living and I pay most of the bill. She’s never lived with me.

That is the one exception. If you can claim her as a dependent (more than half her total support) and you pay more than half the cost of her home, including the facility, you qualify as head of household without her living with you.

My ex and I split custody exactly 50/50. Who files head of household?

The IRS counts nights, and 365 is an odd number, so it is rarely exactly even. If it truly is, the parent with the higher adjusted gross income claims the child and the status. Only one of you can.

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What to bring

  • Dates of divorce, legal separation, or the date a spouse moved out
  • A night count for each child, or the custody calendar
  • The year’s home costs and who paid them: rent or mortgage, taxes, insurance, utilities, groceries
  • For a parent you support elsewhere: the facility or rent costs you paid, and the parent’s own income (Social Security, pension)
  • Birth dates and Social Security numbers for each qualifying person; school enrollment if a child is 19 to 23
  • Form 8332 if you released a child’s exemption to the other parent
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Preparer’s notes

For the Tax Shop desk · forms, code sections, and the things that get missed

  • Three tests under §2(b): unmarried or considered unmarried (§7703(b)); over half the cost of maintaining the household (Reg. §1.2-2(d): rent, mortgage interest, taxes, insurance, repairs, utilities, food consumed in the home; not clothing, education, medical, vacations, life insurance, transportation, or the taxpayer’s services); qualifying person lived with the taxpayer over half the year, except a dependent parent under §2(b)(1)(B).
  • Qualifying person: a qualifying child under §152(c) need not be a dependent (the 8332 release doesn’t affect HOH). A qualifying relative must be a dependent and related under §152(d)(2)(A)–(G); the “member of household all year” relative under (H) never qualifies. Multiple-support-agreement dependents don’t qualify. Married qualifying child who files jointly doesn’t qualify unless the joint return is only to claim a refund.
  • Considered unmarried: spouse absent the entire last six months (not merely most of them); taxpayer’s separate return; home is the main home of the taxpayer’s child, stepchild or eligible foster child over half the year; taxpayer can claim the child or could but for an 8332 release. A nonresident-alien spouse: taxpayer is treated as unmarried for HOH only (§7703(b) does not apply; §2(b)(2)(B)), but the spouse can’t be the qualifying person.
  • Qualifying surviving spouse (§2(a)) for the two years after death with a dependent child in the home beats HOH; check it first for recent widows.
  • Tie-breaker §152(c)(4): parents first; between parents, more nights; equal nights, higher AGI. Two unmarried parents in one home cannot both be HOH on the same child; one may be HOH if there is a second qualifying child and each maintains a separate household in fact, which is a hard argument.
  • Temporary absence Reg. §1.2-2(c)(1): school, illness, business, vacation, military; the person must be expected to return. Birth or death during the year: lived with taxpayer for more than half the portion of the year alive.
  • Due diligence: Form 8867 required for HOH (§6695(g)); $665 penalty per failure for 2026; document the questions asked and answers, retain three years. Ask specifically about other adults in the home and who pays.
  • 2026 figures: standard deduction $24,150; brackets 10% to $17,700, 12% to $67,450, 22% to $105,700, 24% to $201,775 (Rev. Proc. 2025-32); qualifying-relative gross income limit $5,250 (verify).
  • Colorado: conforms; no separate test. Colorado child tax credit (DR 0104CN) and child care expenses credit (DR 0347) follow the federal claim and have AGI limits.

What to do about it

If you are raising a child or supporting a parent on one income, head of household is probably yours, and it is worth two thousand dollars a year or more. If you are sharing a home with another adult, the answer depends on who pays what, and it is better to work that out in January than to explain it to the IRS in July. Bring the custody calendar and the household bills; the rest is arithmetic.

Call 303-734-1040 or stop by the office in Lone Tree. We’ve been reading the footnotes for Douglas County and the Denver area since 1969.

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Figures reflect the 2026 tax year as currently published and are rounded for readability. Items marked (verify) are to be confirmed against IRS or Colorado DOR sources before the figures freeze in December. Last updated October 15, 2026.