$0 Splitting Care Costs Fairly Among Siblings — Quick-Start Checklist

Family Caregiver Tax Obligations: W-2, FICA, and Schedule H

The Tax Question Nobody Asks Early Enough

When siblings agree that one of them will be compensated for providing hands-on care to an aging parent, the conversation usually stops at "how much per hour?" Nobody thinks about whether that arrangement creates a tax filing obligation.

It often does. And missing it doesn't just create a paperwork problem — it can trigger IRS penalties, jeopardize the caregiver's future Social Security benefits, and complicate Medicaid applications.

The rules aren't intuitive, but they're straightforward once you understand the thresholds.

Employee or Contractor?

The IRS presumes that a caregiver working in someone's home is a household employee, not an independent contractor. The test is whether the care recipient (or their family) controls when, where, and how the work is done. For live-in or regular in-home caregiving, the answer is almost always yes.

This means the parent is technically the household employer. A sibling holding financial power of attorney may handle payments and filings as the parent's agent. The caregiver gets a W-2, not a 1099.

This catches families off guard because it feels like an informal family arrangement, not an employment relationship. But the IRS doesn't care about the relationship — it cares about the structure.

The FICA Threshold

Federal Social Security and Medicare (FICA) obligations apply when you pay a household employee $3,000 or more in cash wages during the 2026 calendar year. Below that threshold, FICA may not be owed, but other obligations such as FUTA or state taxes can still apply (and the income is still taxable to the caregiver and must be reported).

At $27/hour for 15 hours per week, a caregiving sibling earns roughly $1,754/month — well above the threshold within the first two months. So for most compensated family caregiving arrangements, the household employer rules apply.

Once the threshold is crossed, the employer must:

  • Withhold 7.65% from the caregiver's pay for Social Security (6.2%) and Medicare (1.45%)
  • Pay a matching 7.65% as the employer's share
  • File Schedule H with the parent's annual Form 1040
  • Issue a W-2 to the caregiver by the applicable IRS deadline (for 2026 wages, February 1, 2027)

There's also a FUTA (Federal Unemployment Tax Act) obligation if you pay $1,000 or more in any calendar quarter, at a rate of 6% on the first $7,000 of wages (reduced by state unemployment tax credits).

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The Family Member Exemption

Here's where it gets less burdensome for many families: the IRS provides a specific exemption for certain family caregiving relationships.

Certain parent-child arrangements are exempt from FICA taxes. The applicable exception is relationship- and age-specific: the research identifies a parent caring for a minor child and a child under age 21 caring for a parent. Do not assume the exemption applies regardless of age.

However — and this is the part people miss — the caregiver's wages are still subject to income tax. The parent still needs to report the payments, and the caregiver must include them on their tax return. The exemption covers employment taxes only, not income taxes.

The exemption does NOT apply when:

  • A sibling pays another sibling for caregiving (there's no sibling-to-sibling household employer exemption)
  • A child of the care recipient pays a non-family caregiver
  • The caregiver is hired through an agency (the agency is the employer)

Schedule H: What It Looks Like

Schedule H is filed with the parent's annual Form 1040. It calculates the total household employment taxes owed for the year.

The form walks through:

  1. Total cash wages paid to each household employee
  2. Whether the FICA threshold was met
  3. Social Security and Medicare tax calculation (employer + employee shares)
  4. FUTA tax calculation if applicable
  5. Total household employment taxes owed

If the parent has a tax preparer, this is a standard addition to the annual return. If the family handles taxes themselves, the IRS instructions for Schedule H are reasonably clear, and tax software (TurboTax, H&R Block) supports it.

The biggest mistake families make is ignoring Schedule H entirely — paying a sibling under the table and hoping nobody notices. This works until it doesn't. A Medicaid application that shows regular payments to a family member with no corresponding W-2 or tax documentation triggers exactly the kind of scrutiny that delays eligibility.

State Obligations Vary

Federal rules are only part of the picture. State rules may require household employers to:

  • Register for a state employer identification number
  • Pay state unemployment insurance (SUI) taxes
  • Withhold state income taxes from wages (in states with income tax)
  • File quarterly wage reports

The requirements vary significantly by state. California, New York, and Illinois have the most demanding household employer rules. States without income tax (Texas, Florida, Nevada, and others) are simpler but still require unemployment insurance registration.

Keeping It Clean for Medicaid

If the parent may need Medicaid within the next five years, proper tax documentation of caregiver payments is essential. Medicaid caseworkers review the look-back period and classify any payments without a paper trail as gifts — which trigger penalty periods.

A clean record looks like this:

  • A written Personal Care Agreement specifying tasks, hours, and rate
  • Regular payments from the parent's dedicated care account (not cash)
  • W-2 issued to the caregiver by the applicable deadline
  • Schedule H filed with the parent's tax return
  • Daily care logs documenting hours worked

The Splitting Care Costs Fairly toolkit includes a plain-language IRS compliance checklist that walks through the thresholds, exemptions, and filing steps — designed for families managing this themselves without a payroll service.

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