If you miss the tax filing deadline, the IRS may charge penalties and interest if you owe taxes. The longer you wait to file, the more expensive the problem can become.

Missing the deadline does not mean it is too late to fix the issue. In most cases, the best next step is to file your return as soon as possible, even if you cannot pay the full amount right away.

You may face a failure-to-file penalty

The failure-to-file penalty is usually the biggest immediate concern if you miss the deadline and owe taxes.

This penalty is generally 5% of the unpaid tax for each month, or part of a month, that your return is late. It can increase up to 25% of the unpaid tax.

That is why filing quickly matters. Each month you wait can add more cost.

You may also face a failure-to-pay penalty

If you owe taxes and do not pay by the deadline, the IRS may also charge a failure-to-pay penalty.

This penalty is typically 0.5% of the unpaid tax per month, up to 25%.

Because the failure-to-file penalty is usually much higher, filing your return is still important even if you cannot pay everything immediately.

Interest can continue to grow

In addition to penalties, interest may accrue on unpaid taxes and certain penalties. This means the total balance can continue increasing until the tax debt is resolved.

Filing sooner helps you understand the actual balance and begin working toward a solution.

Not sure where to start with unfiled taxes?

If you’re dealing with back taxes or unfiled returns, getting clarity now can help you avoid additional penalties.

Call 303-867-9938 or schedule a call here.

What you should do after missing the deadline

If you missed the tax filing deadline, take these steps:

  1. File your return as soon as possible
  2. Pay what you can, if you owe taxes
  3. Review payment plan or resolution options if you cannot pay in full

Taking action quickly can help limit the financial impact and prevent the issue from becoming more serious.

Bottom line

Missing the tax filing deadline can lead to penalties, interest, and a growing balance. However, the sooner you file, the better position you are in. Filing late is almost always better than not filing at all.

Michael Perrone
Written By: Michael Perrone

Michael is the Digital Marketing Manager at BC Tax, where he leads content strategy and digital initiatives focused on helping individuals better understand complex tax topics. He works closely with the Director of Digital Marketing and internal teams to develop clear, accurate, and practical educational resources covering areas such as unfiled tax returns, IRS penalties, and tax debt resolution. Michael graduated from the University of Colorado Boulder.