How long the IRS wants you to keep tax returns

The Internal Revenue Service (IRS) recommends keeping your tax returns and supporting documents for at least three years from the date you filed or the due date, whichever is later. This three-year window covers most situations where the IRS might examine your return or ask questions about deductions, income, or credits you claimed.

However, three years is not a hard rule for every situation. The IRS can go back further if they suspect underreporting of income, and you may need records longer than three years for other reasons — mortgage applications, insurance claims, or proof of prior-year income. Understanding when you can safely discard old returns and when you should hold onto them prevents both unnecessary clutter and potential problems later.

Key Takeaways

  • Keep tax returns and receipts for at least three years from the filing date, which covers the standard IRS examination window.
  • Keep records for six years if you reported less income than you actually earned, even if the underreporting was unintentional.
  • Keep records indefinitely for anything involving business assets, rental property, or investments you still own.
  • Some documents like mortgage statements, property records, and investment confirmations should be kept longer than three years for financial planning and proof of basis.

When three years is enough

For a straightforward tax return with W-2 income, standard deductions, and no business or investment activity, three years is generally sufficient. This covers the period during which the IRS is most likely to audit a return or request clarification on reported figures. After three years, the IRS has limited authority to go back and change your return unless there is evidence of fraud or a substantial underreporting of income.

The three-year clock starts from the later of two dates: the date you actually filed your return or the official tax important date (April 15 for most people). If you filed early in February, the three years runs from February. If you filed an extension and submitted your return in October, the three years runs from October. Keep a copy of your filed return or the filing confirmation so you know exactly when the period began.

When you need to keep records for six years or longer

The IRS requires you to keep records for six years if you did not report income that you should have reported, even if the mistake was unintentional. This applies to W-2 income the employer reported to the IRS, 1099 income you received but forgot to include, or business income you underreported. The six-year period gives the IRS time to cross-check your return against what employers and financial institutions reported about you.

You should also keep records indefinitely — meaning for as long as you own the asset — if your return involves property, investments, or business assets. This includes the original purchase price and date for real estate, stocks, mutual funds, or business equipment. These records establish your "basis," which determines how much gain or loss you report when you eventually sell. The IRS can ask about basis years after you file the return that claimed the deduction or reported the purchase.

If you claimed a loss carryforward — such as a business loss or capital loss you are spreading across multiple years — keep those records for as long as you are using the loss. The same applies to depreciation records for rental property or business assets; keep them for the life of the asset plus three years after you sell it.

What documents to keep with your tax return

Your tax return itself is only one piece. The IRS can ask to see the documents that support what you reported. For W-2 income, keep the W-2 forms. For self-employment or business income, keep invoices, receipts, mileage logs, and bank statements showing deposits. For deductions, keep receipts, cancelled checks, credit card statements, or written records showing what you spent and when.

For investment income, keep the statements showing what you earned and any documents proving what you paid for the investment originally. For charitable donations, keep receipts or written acknowledgment from the charity. For medical expenses, keep receipts and explanation of benefits (EOB) statements from your insurance. For home office deductions, keep records of the square footage and the percentage of your home used for business.

If you used tax software or worked with a tax preparer, keep a copy of the return they prepared, the worksheets you filled out, and any emails or notes about decisions you made. These help you remember why you claimed something a certain way if the IRS asks years later.

Digital storage and physical copies

You can store tax documents digitally — scanned copies, PDFs, or photos of receipts are acceptable to the IRS as long as they are legible and you can produce them if asked. Many people photograph receipts as they go through the year, then keep those photos organized by category in folders on their computer or cloud storage. This saves physical space and makes it harder to lose documents to fire or water damage.

If you keep digital copies, make sure you have a backup. A single hard drive can fail; cloud storage services like Google Drive, Dropbox, or OneDrive provide redundancy. Label files clearly with the year and category so you can find them quickly. If the IRS requests documents, you need to be able to produce them within a reasonable time frame — usually a few weeks.

Some people keep both digital and physical copies of important documents like the actual filed return, W-2s, and 1099s. The physical copy serves as a backup and is sometimes easier to reference quickly. The choice depends on your comfort level with technology and how much space you have.

What you can discard after the retention period

Once the relevant retention period has passed — three years for most returns, six years for underreported income, or indefinitely for assets you still own — you can safely discard the supporting documents. Shred them rather than throwing them in the trash, since they contain personal financial information that identity thieves can use.

However, keep the actual tax return itself for longer than the supporting documents. Many people keep returns for seven to ten years as a matter of habit, and there is no harm in doing so. Returns take up little space, especially if stored digitally, and they can be useful for reference if you need to prove prior-year income for a loan, mortgage, or insurance claim.

If you are unsure whether a document falls under the three-year rule or a longer retention period, err on the side of keeping it. The cost of storing a few extra boxes is far less than the cost of not having a document the IRS asks for.

Special situations that change the timeline

If you filed a return claiming a loss — either a business loss or a capital loss — and you are carrying that loss forward to future years, keep the return and supporting documents for as long as you are using the loss. Once you have fully used the loss, you can discard the documents after three years from the year you finished using it.

If you are involved in an IRS examination or dispute, do not discard anything related to that return until the examination is closed and any appeals are finished. The IRS will tell you in writing when the examination is complete. After that, the normal three-year or six-year rule applies.

If you received a notice from the IRS about a prior-year return, keep all documents related to that return and that tax year for at least six years from the date of the notice, even if the normal retention period would have expired. The notice signals that the IRS is paying attention to that year, and having documents readily available protects you if they ask follow-up questions.

Frequently Asked Questions

Can I throw away my tax return after I file it?

No. Keep the actual return for at least three years, and longer if you have business income, investments, or property. Many people keep returns for seven to ten years as a precaution. The return itself takes up minimal space, especially if stored digitally, and can be useful for reference later.

What if I lost my receipts but still have my tax return?

The return alone is not enough if the IRS asks about a deduction. You need the receipts, invoices, or other proof that you actually spent the money. If you cannot find them, tell the IRS that during an examination. They may accept other evidence, such as bank or credit card statements showing the payment, or they may disallow the deduction. This is why keeping receipts alongside your return matters.

Do I need to keep W-2s and 1099s after three years?

Yes, keep them for at least three years along with your return. If you underreported the income shown on a W-2 or 1099, keep them for six years. If the W-2 or 1099 relates to an investment or asset you still own, keep it indefinitely. These forms are proof of what income was reported about you to the IRS.

How long should I keep records for a home I sold?

Keep all records related to the purchase, improvements, and sale of the home for at least three years after you sell it. This includes the original purchase price, receipts for renovations or repairs, the sale price, and closing documents. These establish your cost basis and determine your capital gain or loss. The IRS can ask about basis years after the sale, so keeping records longer is safer.

What if the IRS contacts me about an old return?

If the IRS sends you a notice about a return from a prior year, keep all documents related to that return and that tax year for at least six years from the date of the notice. Do not discard anything until the examination or dispute is fully closed and you receive written confirmation from the IRS that the matter is resolved.