How Long to Keep Your Tax Returns and Supporting Documents

Keep tax returns for at least three years, longer if you have business income or significant deductions

The Internal Revenue Service (IRS) can audit your return for three years after you file, which is why three years is the baseline for keeping your tax documents. If you underreport income by 25 percent or more, the IRS can go back six years. If you file a fraudulent return or don't file at all, there is no time limit — the IRS can audit you indefinitely.

The three-year rule applies to your actual tax return (Form 1040 and schedules) plus every document that supports what you reported: W-2s, 1099s, receipts, invoices, bank statements, mortgage interest statements, charitable donation records, and medical expense documentation. If you can't produce these documents during an audit, you lose the deductions or income adjustments you claimed.

Some situations require you to hold onto records longer than three years. If you claim a loss on a rental property or business, keep those records for seven years. If you contribute to a traditional IRA, keep the Form 8606 (Nondeductible IRA Contributions) indefinitely, because the IRS needs it to calculate your tax liability when you withdraw money in retirement. If you own rental property or a business, the general rule is to keep records for at least seven years.

Key Takeaways

The IRS can audit returns filed within the past three years, so keep your tax return and all supporting documents for at least three years from the filing date.
If you underreport income by 25 percent or more, the IRS can audit back six years, so keep records for six years if you have significant self-employment or investment income.
Business owners and rental property owners should keep records for seven years because depreciation and loss carryforwards affect multiple tax years.
Keep Form 8606 (Nondeductible IRA Contributions) and records of IRA contributions indefinitely, because these affect your tax liability in retirement.
Store copies in two places — one at home and one offsite — because a house fire or flood can destroy originals you may need later.

The three-year rule and what triggers a longer hold

Three years is the standard because that is the statute of limitations for the IRS to assess additional tax on a return you file. This clock starts on the date you file, not the date the return was due. If you file your 2023 return on April 15, 2024, the three-year window closes on April 15, 2027. After that date, the IRS generally cannot audit that return.

The six-year rule kicks in if you report less than 75 percent of your actual income. This is a substantial underreporting — for example, if you earned $100,000 but reported only $74,000. The IRS has six years from the filing date to assess tax on the unreported income. Self-employed people, freelancers, and investors should assume they may fall into this category and keep records for six years unless they are certain their income reporting is complete.

There is no time limit if the IRS suspects fraud or if you did not file a return at all. Fraud is not a straightforward math error — it means the IRS believes you intentionally hid income or inflated deductions. If you file a return, even a wrong one, you are generally protected by the statute of limitations. If you don't file, the IRS can come after you for any year within the past ten years of your life.

How long to keep records if you own a business or rental property

Business owners and rental property owners should keep tax records for seven years minimum. The reason is depreciation and loss carryforwards. If you claim depreciation on a rental building or business equipment, that depreciation reduces your basis in the asset. When you sell the property, the IRS recalculates your gain or loss using your original basis minus all depreciation you claimed. If you can't prove what depreciation you took in year one, the IRS will disallow it or recalculate it, which changes your tax liability in the year of sale.

Loss carryforwards also require long-term record keeping. If your business or rental property loses money in year one, you may carry that loss forward to offset income in year two or three. The IRS needs to see the original loss documentation to allow the carryforward. Keep the Schedule C (for self-employment), Schedule E (for rental income), and all supporting receipts and bank statements for seven years after the year you claim the loss.

If you sell the business or property, keep all records related to that sale indefinitely. The IRS can challenge the gain or loss calculation years later, especially if the sale price was unusually high or low compared to similar properties in your area.

IRA contributions and retirement account records

Keep records of all IRA contributions, especially nondeductible contributions, for your entire life. If you contribute to a traditional IRA and cannot deduct the contribution because your income is too high, you file Form 8606 with that year's tax return. The IRS uses Form 8606 to track your nondeductible contributions so that when you withdraw money in retirement, it can calculate how much of your withdrawal is taxable.

If you lose the Form 8606 from 1998 and withdraw IRA money in 2024, the IRS will assume all your withdrawals are taxable unless you can reconstruct the nondeductible contributions. Keep copies of Form 8606 and your IRA custodian's statements showing contributions for every year you contribute to an IRA. Store these separately from your annual tax files because they span decades.

The same rule applies to Roth IRA conversions. If you convert a traditional IRA to a Roth, keep the Form 8606 and the conversion documentation forever. The IRS may ask you to prove the conversion basis years later if you take a distribution.

What documents to keep with your tax return

Your tax return itself is only one piece of paper (or a few pages if you have schedules). The supporting documents are what prove every number on that return. Keep these together in a folder labeled by year:

W-2s from every employer
1099s (1099-NEC for freelance income, 1099-INT for interest, 1099-DIV for dividends, 1099-MISC for other income)
Receipts and invoices for business expenses or itemized deductions
Bank and credit card statements showing charitable donations
Mortgage interest statements (Form 1098)
Student loan interest statements (Form 1098-E)
Medical and dental expense records if you itemize
Property tax statements if you itemize
Mileage logs if you claim vehicle deductions
Home office documentation if you claim a home office deduction
Receipts for business equipment purchases and depreciation schedules

You do not need to keep the original receipts if you have a clear photo or scan. The IRS accepts digital copies as long as they are legible and show the date, amount, and what was purchased. Many people photograph receipts with their phone and store them in a folder on their computer or cloud storage.

How to store tax records safely

Store your tax documents in two places: one copy at home in a fireproof box or filing cabinet, and one copy in cloud storage or at a bank safe deposit box. A house fire, flood, or theft can destroy paper records. If you keep only one copy at home and lose it, you have no proof of your deductions if the IRS audits you.

For digital storage, use a password-protected folder on Google Drive, Dropbox, or OneDrive. Take photos of receipts and documents as you go through the year rather than waiting until tax time. Label each photo with the date and category (medical, charitable, business, etc.) so you can find it quickly if you need it.

If you use tax software or hire a tax preparer, ask whether they keep copies of your return and documents. Many do, but their retention period may be shorter than yours. Do not rely on your tax preparer's files as your only backup — keep your own copies.

When you can safely discard old tax records

After three years have passed (or six years if you have significant unreported income concerns, or seven years if you own a business), you can shred or delete the supporting documents. However, keep the actual tax return itself for longer — many people keep returns indefinitely because they take up little space and may be needed for refinancing a mortgage, explore for a loan, or proving income to a government agency.

Before you discard anything, check whether you have any ongoing issues with the IRS. If you are in a payment plan, have an open audit, or have filed an amended return, keep all related documents until the matter is fully resolved and the statute of limitations has passed.

Mark your calendar for the year you can discard documents. If you file your 2024 return on April 15, 2025, mark April 15, 2028 as the date you can safely delete the 2024 supporting documents (three years later). This prevents you from accidentally keeping documents far longer than necessary or discarding them too early.

Frequently Asked Questions

What if I lost my receipts but still have my bank statements?

Bank and credit card statements are acceptable proof of expenses if they show the date, amount, and merchant. The IRS prefers itemized receipts, but if you can show the charge on your statement and explain what it was for, that is usually enough. Keep your statements along with any notes you wrote about the expense.

Do I need to keep copies of my W-2s after three years?

You should keep W-2s longer than three years because they affect your Social Security earnings record and may be needed to prove income for a mortgage or loan process. Many people keep W-2s for seven years or indefinitely. They take up almost no space, so there is little downside to keeping them.

Can the IRS ask for documents I threw away years ago?

If the IRS audits you and you no longer have the documents, you can reconstruct them using bank statements, credit card statements, or other records. If you cannot reconstruct them, the IRS will disallow the deduction. This is why keeping records for the full three-year window is important — it protects you if an audit happens near the end of that period.

Should I keep tax returns from before I was self-employed?

Yes, keep all tax returns even from years when you were an employee. If you become self-employed later, the IRS may ask about your income history. Also, returns from earlier years may be needed to calculate basis in inherited property or to prove income for a loan process.

What is the best way to organize digital tax files?

Create a folder for each tax year (2024, 2025, etc.) and subfolders for each category: income, medical, charitable, business, property tax, and so on. Name each file clearly — for example, "2024-Charity-Red-Cross-Receipt-March.pdf". This makes it straightforward to find a specific document if you need it during an audit.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.