IRS Penalties for Not Paying Nanny Taxes: What You Need to Know

This content is for educational purposes only and does not constitute tax advice. For specific guidance regarding your tax situation, consult a qualified tax professional. (Circular 230 Disclaimer: To ensure compliance with Treasury Department requirements, we inform you that any tax information contained in this communication is not intended or written to be used, and cannot be used, for the purpose of avoiding penalties under the Internal Revenue Code.)

Why the IRS Takes Nanny Taxes Seriously

Household employment taxes are among the most commonly overlooked tax obligations in the United States. The IRS estimates that a significant percentage of household employers fail to comply with their employment tax requirements. When the IRS discovers non-compliance -- whether through a W-2 discrepancy, a state unemployment audit, or your employee filing for benefits -- the penalties can be severe and compounding.

Understanding these penalties is the first step toward avoiding them entirely. If you pay a household employee $2,800 or more in cash wages during 2026, you are a household employer and must comply with federal employment tax rules.

Failure-to-File Penalty

If you do not file Schedule H with your Form 1040 by the April 15 deadline, the IRS imposes a failure-to-file penalty. This penalty is 5% of the unpaid tax for each month (or partial month) that the return is late, up to a maximum of 25% of the total tax due.

For example, if you owe $3,000 in household employment taxes and file six months late, the penalty would be $750 (25% cap). If you file just one month late, it would be $150 (5% of $3,000).

The failure-to-file penalty is significantly steeper than the failure-to-pay penalty, which is why the IRS always recommends filing on time even if you cannot pay the full amount owed. Filing for an extension avoids this penalty, but it does not extend the time to pay.

Failure-to-Pay Penalty

If you file on time but do not pay the taxes you owe, the IRS charges a failure-to-pay penalty of 0.5% per month on the unpaid balance, also capped at 25%. Interest accrues on top of this penalty at the federal short-term rate plus 3 percentage points, compounded daily.

When both failure-to-file and failure-to-pay penalties apply in the same month, the failure-to-file penalty is reduced by the failure-to-pay amount, so the combined penalty for that month is 5% rather than 5.5%.

Even small nanny tax balances can grow substantially over time when penalties and interest compound. A $2,000 tax liability left unaddressed for two years could easily exceed $3,000 with penalties and interest combined.

If the IRS determines that you substantially understated your household employment taxes -- by reporting lower wages than you actually paid, for example -- you may face an accuracy-related penalty of 20% of the underpayment. This applies when the understatement exceeds the greater of 10% of the correct tax or $5,000.

The accuracy-related penalty also applies to negligence. If you knew you had a household employee but simply ignored the filing requirement, the IRS can treat this as negligent disregard of tax rules.

Trust Fund Recovery Penalty

The most serious penalty household employers can face is the Trust Fund Recovery Penalty (TFRP), sometimes called the "100% penalty." This applies to the employee's share of FICA taxes (the 7.65% you are required to withhold from wages) and any federal income tax you agreed to withhold.

These withholdings are considered "trust fund" taxes because you hold them in trust for the government. If you collect these taxes from your employee's wages but fail to remit them to the IRS, you become personally liable for 100% of the unremitted amount. Unlike other business liabilities, this penalty cannot be discharged in bankruptcy.

The TFRP can be assessed against any "responsible person" -- and for household employers, that means you personally.

Additional Consequences

Beyond the financial penalties, failing to pay nanny taxes can lead to:

Liens and levies. The IRS can place a lien on your property or levy your bank accounts and wages.
Problems for your employee. Your nanny cannot claim Social Security credits, unemployment benefits, or accurate tax refunds without proper W-2 reporting.
State penalties. Most states impose separate penalties for failure to register, file, or pay state unemployment insurance. These penalties vary by state but can add thousands to your total liability.
Criminal prosecution. In extreme cases of willful evasion, the IRS can pursue criminal charges, although this is rare for household employers.

How to Get Back on Track

If you have fallen behind on nanny taxes, the best course of action is to address the situation as soon as possible. The IRS offers several options:

File all missing returns. Even if they are late, filing stops the failure-to-file penalty from growing.
Pay what you can. Partial payment reduces the balance that accrues penalties and interest.
Request a payment plan. The IRS offers installment agreements for taxpayers who cannot pay in full.
Request penalty abatement. If you have reasonable cause (serious illness, natural disaster), the IRS may waive penalties.

Stay Compliant From the Start

The easiest way to avoid IRS penalties is to never fall behind in the first place. NannyLedger helps household employers track wages, calculate withholdings, and stay on top of filing deadlines across all 50 states. With automated reminders and clear compliance guidance, you can focus on your family while knowing your tax obligations are handled correctly -- all for just $29.99 per month.

Get started with NannyLedger today and avoid costly penalties before they start.