[Editor's Note: This article has been updated for 2026.]

An IRS audit is one of the most stressful letters a taxpayer can receive. But most audits today look very different from the intensive, in-person investigations people imagine. In 2025, 81% of audits were conducted through the mail, while 19% were done in person. Knowing what's actually likely to happen (and what your rights are) takes most of the fear out of the process. Here are answers to the questions we hear most often. 

#1 What are my odds of being audited?

Low, and significantly lower than they were a decade or more ago. The IRS closed  497,621  tax return audits during fiscal year 2025. That's a sharp decline from the examination levels seen in the early 2010s, when the IRS examined individual returns at roughly a 1% rate.

But the average doesn't tell the whole story. Your chances of being audited depend on factors such as your income, the type of return you file, and what's reported on that return. Audit rates have historically been higher for some lower-income returns and increase substantially at the highest income levels. Returns involving certain refundable credits, including the Earned Income Tax Credit, and returns reporting self-employment income can also receive additional scrutiny.

#2 What are the different types of IRS audits?

There are three, and they range widely in seriousness.

A correspondence audit is handled entirely by mail. The IRS asks you to document one or two specific items, like a deduction. This is by far the most common type.

An office audit asks you to bring records to a local IRS office for an in-person review of certain items.

A field audit is the most comprehensive: an IRS agent visits your home or business to examine your records in depth.

In fiscal year 2025, the IRS conducted  403,059 correspondence audits and  94,548  field audits. Field audits are typically reserved for businesses and higher-income taxpayers.

#3 Will I end up owing more taxes?

Often, but not always. Most audits result in some adjustment, and if your return contains errors or unsupported claims, you'll likely owe additional tax plus penalties and interest. But an audit is not automatically a bill. If your documentation supports what you reported, an audit can close with no change at all. This is exactly why keeping thorough records matters.

#4 How far back can the IRS audit me?

The general rule is three years. Under IRC Section 6501, the IRS generally has three years from the date you filed your return, or the return due date (whichever is later), to assess additional taxes. There are two important exceptions. In cases involving significant income understatement or tax fraud, the IRS has six years to audit your return. Specifically, the six-year period applies when you omit more than 25% of your gross income. And there is no deadline to audit a return that has not been filed, because the clock doesn't start until you file.

#5 How long does an audit take?

It varies widely. A simple correspondence audit may resolve in a few months, while a complex field audit can stretch on much longer. If the audit is dragging toward the end of the three-year assessment window, the IRS frequently requests that taxpayers sign Form 872 (Consent to Extend the Time to Assess Tax) when an audit cannot be completed before the statute expires. You're not legally required to sign it, but refusing can prompt the IRS to immediately assess the maximum amount it believes is owed without completing the audit. This is a decision worth making with a tax professional.

#6 Do I have to let an IRS agent into my home?

Not without your consent or a court order. Agents cannot enter your residence uninvited. One caveat: if you've claimed a home office deduction, the agent may need to verify that the space qualifies, and refusing access can put that deduction at risk. In practice, the vast majority of audits never involve anyone coming to your home at all, since most are conducted by mail.

#7 What should I do when the agent and I disagree?

Stay professional and let your documentation do the work. Getting defensive or combative rarely helps. If you disagree with the examiner's conclusions, you don't have to win the argument at the agent level. You have formal appeal rights (see below). For anything beyond a simple issue, having a CPA, enrolled agent, or tax attorney represent you keeps the conversation factual and takes the emotion out of it.

#8 Can I lose my home or other assets because of an audit?

This is very unlikely, especially if you stay in communication with the IRS. An audit itself doesn't seize anything. It determines what you owe. Collection is a separate process with its own protections, and the IRS needs a court order to seize a primary residence. If you're facing aggressive collection after an audit, that's the point when you should consider bringing in a tax resolution professional.

#9 Can I settle or negotiate what I owe?

Sometimes. If you genuinely can't pay the full amount, an Offer in Compromise may let you settle for less than the total liability. Not everyone qualifies; the IRS weighs your income, expenses, assets, and ability to pay. Installment agreements (payment plans) are a more common and easier-to-obtain alternative.

#10 How do I appeal audit findings I disagree with?

You have a clear right to appeal, and most disputes are resolved without ever going to court. IRS Appeals settles more than 80% of audit disputes. The process starts with the letter you receive at the end of the audit. Most audit reports come with a 30-day letter giving you 30 days from the date of the letter to request Appeals. Your case then goes to the IRS Independent Office of Appeals, whose officers are impartial and separate from the auditors who examined your return.

If you miss that window or still disagree after Appeals, the IRS issues a 90-day letter (notice of deficiency). You then have 90 days from the Notice of Deficiency to petition the U.S. Tax Court, and that deadline is jurisdictional. Late petitions are dismissed regardless of merit. A major advantage of Tax Court: you can take your case there without having to pay the disputed tax first.

If you've received an audit notice, you don't have to face it alone. A tax professional can handle the correspondence, represent you in any interview or appeal, and often reduce both the stress and the final bill. Top Tax Defenders offers audit representation and a free consultation to review your situation.