Caring for an aging parent: dependents, medical costs, head of household

A parent can be your dependent even if they live in their own apartment or in a care home, as long as you provide more than half of their support and their income stays under the limit. That one relationship changes three separate things on your return.

The two tests that decide it

A parent is claimed as a qualifying relative rather than as a qualifying child, and unlike most qualifying relatives, a parent does not have to live with you. Two tests carry the weight: their gross income for the year has to be under $5,200, and you have to provide more than half of their support. Gross income here means income that is not exempt from tax, so benefits that are not taxable generally stay outside the count. The rest of the conditions, including the citizenship and joint-return tests, sit in claiming dependents. Read those first if the answer looks close.

What "support" actually counts

Support is the whole cost of keeping a person going for the year: lodging at its fair rental value, food, clothing, medical and dental care, education, transportation, recreation. Total it up, and your share has to come to more than half of it.

Several things people assume are support are not. Federal, state and local income taxes that a person pays from their own income are not included in total support. Neither are their own Social Security and Medicare taxes, life insurance premiums, or funeral expenses.

Then the rule that settles most of these cases, and that people usually have backwards. Money a parent holds only becomes support at the moment it is actually laid out on their support; while it sits in an account it is not support at all. So a parent who receives benefits each month and banks part of them has contributed only what they spent. That works in your favor, because it lowers the total you have to beat, which makes the more-than-half test easier to clear rather than harder. Publication 501 carries a support worksheet for the years when the totals are close enough to argue about.

Head of household without living together

Head of household normally wants the qualifying person under your roof. A parent is the special case: yours can be that person while living at their own address, so long as two conditions hold. You have to be entitled to claim them as a dependent, and on your own support rather than by way of the sibling agreement covered further down. And you have to carry over half of what it costs to keep up whichever place was their main home across the whole year.

A care home satisfies the second condition. Carry over half of what it costs to keep a parent in a rest home, or in a home for the elderly, and you are treated as having carried over half the upkeep of their main home. Filing status sets out what the status changes, and against filing single the difference is usually worth the arithmetic.

When several siblings pay

Often nobody provides more than half, because three children each cover roughly a third. The multiple support agreement exists for that. It applies where two or more people between them cover over half the support, and where each of them would qualify to claim the parent if only the support test were out of the way. Those people then agree that one of them takes the claim for the year — someone whose own share runs to more than ten percent of the support — and each of the rest signs a statement giving that claim up.

The one who claims attaches Form 2120, Multiple Support Declaration, to their return, and keeps the signed statements with their own records. In practice this is a single family conversation plus a few signatures, and nothing stops the agreement moving to a different sibling next year.

What the agreement moves is the dependent claim and nothing else. Publication 501 puts a parent who is your dependent only because of a multiple support agreement outside the head of household test, so the sibling who takes the claim does not pick up the filing status along with it.

The medical bills you paid

Medical expenses you paid for your dependent count as your own. The person only has to qualify as your dependent at one of two points: the time of the care, or the time you paid the bill. Either point on its own is enough, so a parent who became your dependent only after the treatment can still work.

There is also an exception written for exactly this reader. Bills you paid for somebody who would have been your dependent but for one of three things still count as yours: their gross income reached $5,200, they filed a joint return, or you were yourself claimable as somebody else's dependent. So a parent whose pension carries them past the income limit can still have their medical bills on your Schedule A.

Whether that changes your tax is a second question. Medical and dental costs come off only above a floor of 7.5% of your adjusted gross income, and only if you itemize. A year of care home fees can clear that on its own. What counts as a medical expense, and how the floor arithmetic runs, is a subject in its own right.

What to keep, and when to get help

Keep bank records showing what you actually paid, your parent's income statements for the year, receipts from the care home, and the signed statements if there is a multiple support agreement. Support is an argument about totals, and totals need paper behind them; how long to keep tax records sets the periods. A parent with a house being sold, a trust, or a long-term care policy paying part of the bills is past what a general article can settle, and that is where a preparer earns the fee.