The Nanny Tax: When You Become a Household Employer

When you hire a nanny, housekeeper, or other household worker, you cross a line from casual domestic help to formal household employment—and the IRS expects you to file taxes accordingly. Many parents discover this reality only when an audit notification arrives or when their tax preparer flags an incomplete return. The nanny tax is real, it affects millions of American households, and failure to comply can result in penalties, back taxes, and interest. Yet the rules remain surprisingly opaque. This post walks you through the mechanics of household employer taxation, real-world cost impacts, and the compliance steps you must take to stay on the right side of the law.

Who Is a Household Employer?

A household employer is anyone who hires domestic workers to perform services in or around the home. This includes nannies, au pairs, housekeepers, housecleaners, babysitters, gardeners, and pool cleaners—as long as you control the worker's actions and the manner and means of performing the work. The key distinction is control. If you tell your nanny what time to start, which children to care for, and which activities to supervise, you are an employer. If you hire a cleaning service that operates independently with their own schedule and methods, you are likely purchasing services, not employing someone.

The IRS uses a four-factor test to determine employment status: behavioral control (you direct how work is done), financial control (you control financial arrangements), type of relationship (permanence, benefits, contracts), and integration of services into your household routine. Independent contractors enjoy autonomy; household employees do not. This distinction matters enormously because misclassification is one of the most common mistakes household employers make, often with the worker's implicit agreement. Many parents assume paying a nanny cash in hand or issuing a 1099 form absolves them of payroll tax obligations. It does not.

The 2025 FICA Threshold and Your Reporting Trigger

For 2025, you must report household employment taxes if you pay any one household employee $2,800 or more in a calendar year. This is the FICA threshold—the wage level at which you become legally obligated to withhold and remit Social Security and Medicare taxes (FICA). Below this threshold, you may have no federal reporting requirements, though state rules can differ. At or above $2,800, you must file Schedule H with your 1040 tax return and remit employment taxes quarterly or with your estimated tax payments.

This threshold is crucial because it is not indexed for inflation annually like many tax parameters. Congress raised it from $2,700 to $2,800 in 2024, and it is expected to remain at $2,800 through 2025 or until Congress acts again. If you employ multiple household workers, the $2,800 applies per worker, not in aggregate. Paying Worker A $1,500 and Worker B $1,400 does not trigger reporting; paying Worker C $2,800 alone does. Once you cross the threshold for even a single employee, the entire universe of household employment taxes applies to you: FICA withholding, FUTA (Federal Unemployment Tax Act), state SUTA if applicable, and new-hire reporting to your state.

A Worked Example: The Dual-Income Family with a Full-Time Nanny

Let's examine a realistic scenario to see the tax mechanics in motion. Maria and David are both professionals earning six-figure incomes. They employ a full-time nanny, Sarah, at $680 per week. Over a 52-week year, Sarah earns $35,360 in annual compensation. This is well above the $2,800 FICA threshold, so Maria and David must file Schedule H and remit employment taxes.

First, FICA taxation. The employer (Maria and David) must pay 7.65% of wages to cover the employer portion of Social Security (6.2%) and Medicare (1.45%). On Sarah's $35,360 salary, the employer FICA is $35,360 × 0.0765 = $2,704.04. This is an out-of-pocket cost for the household. Simultaneously, Maria and David must withhold 7.65% from Sarah's paychecks for the employee portion of FICA: $35,360 × 0.0765 = $2,704.04. They hold this amount in trust and remit it to the IRS along with their employer FICA, for a combined FICA remittance of $5,408.08. Sarah receives her net pay after withholding: $35,360 − $2,704.04 = $32,655.96 in her pocket.

Second, FUTA taxation. The Federal Unemployment Tax Act imposes a 6.0% tax on the first $7,000 of each employee's annual wages, but employers receive a credit for state unemployment taxes (SUTA) paid, reducing the effective federal rate to 0.6% for most employers. On Sarah's first $7,000 of wages, FUTA is $7,000 × 0.006 = $42.00. This is an additional employer cost, separate from FICA and income withholding. The $7,000 FUTA wage base has not been indexed in decades, so it remains a small cost even as overall wages rise. However, once you reach the $1,000 quarterly FUTA payment threshold (meaning $1,000 in accumulated FUTA liability over a quarter), you must file Form 940, the FUTA annual return.

Third, state SUTA and income tax withholding. This varies by state. New York, California, and other high-tax states often require both SUTA contributions and state income tax withholding from household employees. If Maria and David live in New York, for example, they would withhold New York state income tax from Sarah's paychecks and remit SUTA contributions on her wages at the state rate (typically 3.1% to 4.5%, depending on experience rating). Some states have no income tax or no household employment SUTA requirement. Maria and David must verify their state's rules; failing to do so is a compliance gap that invites audit.

Total Cost of Employment: The Real Bottom Line

Let's sum the federal tax burden for Maria and David. On Sarah's $35,360 salary: - Gross wages paid to Sarah: $35,360 - Employer FICA: $2,704.04 - FUTA: $42.00 - Total federal employer cost: $38,106.04 Add withholdings remitted on behalf of Sarah: - Employee FICA withheld: $2,704.04 - Total cash outlay: $40,810.08 This is $5,450.08 more than the base $35,360 salary. In states with high SUTA and income tax (New York, California), the household's total cost could exceed $42,000 for a $35,360 salary. This tax incidence often shocks families when they first learn they are household employers. Many parents incorrectly assume that wages paid equals taxes owed. In reality, the true cost of household employment includes both the employee's federal and state withholdings plus the employer's FICA, FUTA, and SUTA obligations.

Mitigating the Cost: Dependent Care FSA and the §21 Credit

However, the tax burden is not the final word. Two mechanisms allow families to recapture a portion of the cost: the Dependent Care Flexible Spending Account (FSA) and the Child and Dependent Care Credit under Section 21 of the Internal Revenue Code.

If Maria and David have employer-sponsored dependent care FSA plans, they can defer up to $5,000 per household (or $2,500 if married filing separately) of dependent care expenses in pre-tax dollars. This reduces their taxable income dollar-for-dollar. If they contribute $5,000 to a dependent care FSA and file jointly with a combined federal tax rate of 32% (plausible for six-figure earners), they save $1,600 in federal tax. This comes off the top of their tax liability, providing immediate relief.

Additionally, the §21 Child and Dependent Care Credit is a dollar-for-dollar tax credit (not a deduction) for qualifying household employment expenses. The credit rate is 20% to 35% depending on adjusted gross income, applied to a maximum of $3,000 of expenses per child (or $6,000 for two or more children). If Maria and David have two children and claim the full $6,000 in expenses, and their AGI qualifies them for a 20% credit rate, they receive a $1,200 credit directly reducing their tax bill.

Importantly, the FSA and §21 credit are not cumulative in their full amounts. Expenses used in the FSA reduce the pool of expenses eligible for the §21 credit. If Maria and David contribute $5,000 to the FSA and have $35,360 in total household employment expenses, only $30,360 remains eligible for the §21 credit. If they claim $6,000 (the maximum), they effectively use $6,000 from the $30,360 pool. The math gets intricate, and most tax software handles the phasing and coordination automatically. In their scenario, the FSA saves them $1,600 and the §21 credit saves them perhaps $1,000–$1,200, reducing the total tax burden by $2,600–$2,800 annually. The household still pays out-of-pocket $38,106 in employer taxes, but after tax credits and FSA deferrals, the net cost is materially lower.

Schedule H and EIN Requirements

Every household employer must file Schedule H, "Household Employment Taxes," with their Form 1040 annual return. Schedule H requires you to report all wages paid to household employees, calculate FICA and FUTA, and provide your employer identification number (EIN). If you do not have an EIN, you must obtain one from the IRS before filing. An EIN is a nine-digit federal tax identification number assigned to employers. It is free, takes minutes to apply for online (via IRS.gov), and is separate from your Social Security Number. Using your SSN in place of an EIN on Schedule H is technically incorrect and can trigger IRS correspondence.

Schedule H also requires you to report whether you paid more than $1,000 in FUTA liability during the year. If you did, you must file Form 940 (the FUTA annual return) separately. If you did not, you file only Schedule H. In Maria and David's example, with FUTA of only $42, they would not file Form 940; Schedule H alone suffices. However, this simplicity applies only if their only household employee is Sarah. If they employed a second person, FUTA could breach the $1,000 threshold, requiring Form 940. The reporting burden scales with the complexity of household employment.

The Misclassification Trap: Why 1099 Does Not Work

One of the most dangerous misconceptions in household employment is the belief that issuing a 1099-NEC (Nonemployee Compensation) form to a household worker converts them into an independent contractor, avoiding payroll taxes. This is false. A 1099 is merely a reporting document; it does not change the tax status of the worker. If the worker is, in fact, an employee (you control their work, they work on your schedule, you set their hours), they are an employee under the IRS and state labor law, regardless of what form you file. Issuing a 1099 to a household employee and then failing to report FICA and FUTA exposes the household to penalties, back taxes, and interest if discovered in an audit.

Misclassification is partly a tax issue and partly a labor law issue. Many states have enacted "wage theft" statutes holding employers liable for wage-and-hour violations, including failure to pay minimum wage, overtime, or required payroll taxes. Some states offer safe harbor for household employers who comply with nanny tax rules, but non-compliance puts you at risk. Additionally, the IRS has expanded its focus on household employment in recent years, particularly as part of the Inflation Reduction Act's enforcement initiative. Audits of household employers are not common, but when they occur, they are thorough.

State New-Hire Reporting and Unemployment Insurance

Once you employ someone who triggers the FUTA threshold, you must file a "New Hire Report" with your state's labor department or designated agency. This report provides your state with the worker's name, address, Social Security Number, and start date. The purpose is to assist states in tracking child support compliance and detecting unreported workers. Filing deadlines vary by state (typically within 20 days of hire), and failure to report can result in penalties. Some states combine new-hire reporting with SUTA filings; others keep them separate. Maria and David would need to check their state's requirements and file accordingly for Sarah.

Unemployment insurance is another wrinkle. Once you pay SUTA, your household is entered into the state's unemployment insurance system. If an employee is terminated, they may be eligible to claim state unemployment benefits. In a nanny context, if Sarah is laid off or the family no longer needs her services, Sarah might file for unemployment. The family's account would be charged for the benefit, potentially raising their SUTA contribution rate in future years. This is a real cost that many households do not anticipate. Some states offer lower SUTA rates or exemptions for household employers hiring nannies or au pairs, but these vary widely.

Practical Compliance and Next Steps

If you are a household employer, here is your compliance checklist. First, obtain an EIN if you don't have one. Second, verify your state's rules for SUTA, income tax withholding, and new-hire reporting; these vary significantly and your tax preparer may not catch them if you don't ask. Third, set up a system to track wages and withholdings. Many tax software packages and payroll services (including TurboTax Self-Employed, Guidepoint, and Care.com's payroll solution) simplify household payroll. Fourth, if your wages exceed the FUTA threshold, budget for Form 940 filing in addition to Schedule H. Fifth, coordinate with your employer or tax preparer on dependent care FSA elections and §21 credit claims to maximize tax relief. Sixth, issue a W-2 to your household employee at year-end, even if they are not required to file a tax return; this maintains a paper trail and protects you in an audit.

The upfront effort is modest, but the downstream savings and legal protection are substantial. Ignoring the nanny tax might seem like a short-term cost savings, but it exposes you to years of back taxes, penalties, and interest if discovered. For Maria and David, the total compliance burden—Schedule H, Form 940 (if applicable), new-hire reporting, and payroll management—can be handled by a tax professional or payroll service for a few hundred dollars per year. This is a bargain relative to the tax hit of an audit. The nanny tax is not optional; it is a legal obligation for household employers. Understanding the mechanics and taking action today will save you headaches and money tomorrow.