A simple guide to help you stay organized, protect your tax records, and know what you can safely throw away.

If you have boxes, folders, or computer files filled with old W-2s, 1099s, receipts, tax returns, and bank statements, you may eventually wonder:

How long do I actually need to keep all of this?

For most taxpayers, the answer is at least three years.

But three years is not the right answer for every document or every tax situation. Some records should be kept for four years, six years, seven years, or even indefinitely. Property records may need to follow you for as long as you own an asset– and sometimes much longer when a 1031 exchange is involved.

The IRS bases these tax record retention periods largely on something called the period of limitations. This is the period during which you may be able to amend a return to claim a credit or refund or during which the IRS may assess additional tax.

A simple rule to remember is:

Keep the records supporting income, deductions, and credits on your tax return until the applicable period of limitations has expired.

For taxpayers who prefer not to memorize every exception, keeping ordinary tax records for seven years can be a conservative personal recordkeeping practice. However, seven years is not an IRS requirement for every taxpayer or every document.

Let’s look at what needs to be kept– and for how long.

How Long Should Most Tax Records Be Kept?

For the majority of taxpayers, three years is the standard federal tax record retention period.

The IRS generally has three years from the date a return was filed to assess additional tax when none of the special exceptions apply. A return filed before its due date is generally treated as filed on the due date.

This three-year period is why many common tax documents can generally be kept for at least three years after the relevant return is filed.

Examples may include:

• W-2 forms
• 1099 forms
• Bank statements supporting tax items
• Receipts for deductible expenses
• Charitable contribution records
• Medical expense records when itemized
• Business expense receipts
• Mileage logs
• Education tax records
• Documentation supporting tax credits
• Copies of canceled checks or electronic payment records
• Other records supporting amounts shown on your return

The purpose of keeping these documents is simple: you may need to prove what was reported on the return.

The IRS states that records should be maintained long enough to support income, deductions, and credits if questions arise during an examination or through an IRS notice.

Keep Copies of Your Actual Tax Returns Longer

Supporting documents and copies of your filed tax returns are slightly different.

The IRS specifically recommends keeping copies of filed tax returns because they can help when:

• Preparing future returns
• Filing an amended return
• Responding to an IRS question
• Reviewing prior tax elections
• Tracing carryovers or basis information
• Comparing income from year to year

From a practical standpoint, keeping copies of the actual filed returns indefinitely is often useful, particularly now that digital storage makes long-term retention relatively simple.

Prior returns can become especially valuable when you have investments, businesses, rental property, depreciation, capital-loss carryovers, retirement basis, or other items that carry from one tax year into another.

The Three-Year Rule for Most Tax Documents

For a typical taxpayer whose return is complete and accurate, three years will often cover the normal IRS assessment period.

For example, suppose you timely file a federal tax return reporting:

• W-2 wages
• Bank interest
• A charitable contribution
• Mortgage interest
• Child-related tax credits

Assuming none of the special limitation rules apply, keeping the documents supporting those items for at least three years generally covers the standard federal period of limitations.

However, before shredding everything exactly three years later, ask yourself whether the document is also connected to something with a longer life– such as real estate, investments, a business asset, or a carryover.

Some records continue to matter long after the return on which they first appeared.

When Should You Keep Tax Records for Six Years?

The IRS has a longer assessment period when a taxpayer omits a significant amount of income.

You should generally keep the relevant records for six years if you failed to report income that should have been reported and the omitted amount is more than 25% of the gross income shown on the return.

This is an important distinction.

The rule is not simply:

“If you forgot any income, the IRS automatically gets six years.”

The omitted income must generally exceed the applicable 25% threshold.

For example, if a taxpayer properly reports most income but accidentally overlooks a small bank-interest statement, that alone does not automatically trigger this six-year rule.

On the other hand, if substantial business income, investment income, or another reportable income source was omitted and the amount exceeds 25% of the gross income reported, the longer period can apply.

The IRS also provides a six-year assessment period in certain situations involving more than $5,000 of income attributable to specified foreign financial assets.

If you know that an old return may contain a significant income omission, do not automatically destroy the supporting records after three years.

Accidental Income Omissions Still Matter

Most people do not intentionally leave income off a return.

Income might be overlooked because:

• A 1099 arrived late
• A taxpayer changed addresses
• A side business had several payment sources
• An old brokerage account was forgotten
• Records were incomplete
• Income was reported under an unexpected form
• A taxpayer believed someone else had already included the income

Whether the omission was accidental does not necessarily change the applicable period of limitations.

If the amount of omitted reportable income exceeds the IRS threshold, the six-year period may still apply.

That is another reason good recordkeeping matters.

When Should You Keep Tax Records for Seven Years?

There is a specific IRS rule for certain losses.

Keep your records for seven years if you file a claim for a loss involving:

• A worthless security, or
• A bad debt deduction

This is a special record-retention situation.

If you claim one of these losses, keep the documentation supporting the investment, debt, basis, events that made it worthless, and other information used to substantiate the deduction.

This is also one reason the commonly repeated “keep everything for seven years” rule exists.

Seven years is a reasonable conservative organizational choice, but the IRS specifically requires that longer limitation period only in certain circumstances.

When Should You Keep Tax Records Indefinitely?

There are two especially important situations in which the IRS does not have the ordinary three- or six-year assessment limit.

If You Never Filed a Tax Return

If you were required to file a return and did not file a valid return, there is generally no limitation period for the IRS to assess tax.

For that reason, records relating to an unfiled return should be kept indefinitely.

Do not assume that an old filing obligation disappears simply because many years have passed.

If you have unfiled returns, speak with a tax professional before destroying old W-2s, 1099s, business records, investment statements, or other documents that could help reconstruct those years.

If You Filed a Fraudulent Return

There is also generally no period of limitations when a fraudulent return was filed.

Records associated with those tax years should therefore be retained indefinitely.

If you believe a prior return involves intentional fraud or potential criminal tax exposure, consider obtaining advice from a qualified tax attorney before taking action.

How Long Should Employers Keep Payroll and Employment Tax Records?

Employers have their own recordkeeping requirements.

Employment tax records generally must be kept for at least four years after the date the tax becomes due or is paid, whichever is later.

These records can include:

• Employee names and Social Security numbers
• Wage records
• Payroll information
• Dates and amounts of employment tax deposits
• Forms W-4
• Copies of employment tax returns
• Employee benefit information
• Tip records
• Records supporting payroll-related credits
• Other employment tax documentation

The IRS provides more detailed recordkeeping rules for employers, and certain special payroll-related credits can carry longer retention requirements.

If you own a business with employees, do not simply apply the ordinary three-year individual tax rule to your payroll records.

How Long Should You Keep Records for Your Home or Other Property?

Property records deserve special treatment because they help establish your tax basis.

Your basis is generally used when determining gain or loss after property is sold or otherwise disposed of.

For property, the IRS generally says to keep the relevant records until the period of limitations expires for the tax year in which you dispose of the property.

That means these are not records you should routinely discard three years after purchasing the property.

You may need to retain them for the entire time you own it.

Property can include:

• Your home
• Rental real estate
• Land
• Investment property
• Business property
• Certain investment assets

What Property Documents Should You Keep?

Depending on the asset, useful records may include:

• Original purchase contracts
• Settlement or closing statements
• Records showing the original purchase price
• Receipts for qualifying improvements
• Construction costs
• Legal fees associated with acquisition
• Records of depreciation
• Casualty-loss adjustments
• Records of prior property exchanges
• Sales contracts
• Closing documents from the eventual sale

The IRS specifically recommends maintaining records that establish both the original basis and adjustments made to that basis over time.

Example: Your Home

Suppose you buy a house and live there for 25 years.

During that time, you:

• Add a room
• Replace certain structural components
• Build an addition
• Make other qualifying capital improvements

Those records can affect the adjusted basis of the property when it is eventually sold.

You should not throw them away simply because the year in which you paid for the improvement is more than three years old.

The records remain relevant to the basis of an asset you still own.

How Long Should You Keep Investment Records?

The same general principle applies to investments.

Keep records necessary to establish the cost basis and adjusted basis of an investment until you no longer own it and the limitations period for the disposition has expired.

Useful investment records can include:

• Purchase confirmations
• Brokerage statements
• Reinvestment records
• Stock-split documentation
• Records of commissions and acquisition costs
• Nondividend distributions
• Basis adjustments
• Sale confirmations

The IRS states that basis records should show the purchase price and applicable increases or decreases to basis.

Even though brokerage firms now report basis for many securities, maintaining your own long-term records remains a wise practice– particularly for older assets, inherited investments, transferred accounts, and holdings purchased before modern basis-reporting requirements.

Special Recordkeeping for Rental Property

Rental-property owners may need records for a particularly long time because depreciation and property basis can continue across many tax years.

Keep records such as:

• Purchase and closing documents
• Improvement costs
• Depreciation schedules
• Prior Schedule E information
• Records for appliances and other depreciable assets
• Refinancing documents when relevant to basis or deductions
• Records of casualty losses or other basis adjustments
• Documentation of the eventual sale

Depreciation taken– or required to be taken– can affect the tax calculation when rental property is later sold.

A depreciation schedule from 15 or 20 years ago may therefore still be important today.

Special Case: How Long Should You Keep Records After a 1031 Exchange?

A Section 1031 like-kind exchange deserves special attention because the tax basis of one property may carry into another property.

Current Section 1031 treatment generally applies to qualifying exchanges of real property held for business or investment. A properly structured like-kind exchange can postpone recognition of gain by carrying tax basis into the replacement real property.

Because of that carryover, your old property records do not necessarily stop being relevant when the exchange occurs.

The IRS specifically states that when property is received in a nontaxable exchange, you must keep the records from the old property as well as the new property until the limitations period expires for the year in which the replacement property is eventually disposed of in a taxable transaction.

Example: One 1031 Exchange

Suppose you:

1. Buy Rental Property A.
2. Years later, exchange Property A for Property B in a qualifying Section 1031 transaction.
3. Hold Property B for another 12 years.
4. Eventually sell Property B in a taxable sale.

Records from Property A may still be necessary when calculating the basis and gain on Property B.

You therefore retain the original Property A records, the 1031 exchange documentation, and the Property B records until the applicable limitations period expires after the taxable sale of Property B.

What If You Do Multiple 1031 Exchanges?

This is where recordkeeping can stretch across decades.

Suppose you exchange:

Property A becomes Property B, then Property C, then Property D 

and every transaction qualifies for tax deferral under Section 1031.

The basis history can continue from one property into the next.

You may therefore need to retain records tracing the transaction chain all the way back to Property A until Property D– or whichever replacement property is eventually held– is disposed of in a taxable transaction and the applicable limitations period expires.

This can feel like keeping records “forever,” particularly when properties are exchanged repeatedly over several decades.

Technically, however, the IRS rule is not simply “multiple 1031 exchanges mean keep everything forever.”

The records should generally follow the property through the exchange chain until the basis is no longer relevant and the applicable limitations period after the taxable disposition has expired.

For long-term real-estate investors, that may indeed mean keeping records for a very long time.

Don’t Forget Carryover Tax Items

Some tax records should also be kept longer because the information carries from one tax return into future years.

Examples may include records relating to:

• Capital-loss carryovers
• Net operating losses
• Passive activity losses
• Depreciation
• Tax basis
• Credit carryforwards
• Retirement-account basis
• Certain charitable contribution carryovers

If an amount from an old return is still affecting today’s return, the supporting records may still matter.

Do not automatically destroy the original documentation simply because three years have passed since the first tax return on which the item appeared.

What About Records for a Tax Refund?

There is another three-year/two-year rule that applies to certain claims for refund or credit.

If you file a claim for credit or refund after filing your original return, the applicable period is generally the later of three years from the date you filed the original return or two years from the date you paid the tax.

The important practical lesson is:

Keeping your paperwork does not preserve a refund forever.

If you believe the IRS owes you a refund for an unfiled year, do not simply retain the documents and assume you can file whenever you want. Refund claims have deadlines.

If you are owed money, take the time to address the return before the refund window expires.

Can I Keep Tax Records Digitally?

Yes, tax records do not necessarily need to occupy filing cabinets for decades.

The IRS permits electronic recordkeeping systems when the records are maintained in a form that is complete, accurate, retrievable, and available when needed. The same general retention rules that apply to paper records also apply to electronic tax records.

This can make long-term tax organization much easier.

Consider scanning or securely saving:

• W-2s and 1099s
• Receipts
• Closing statements
• Brokerage documents
• Depreciation schedules
• Prior tax returns
• Charitable contribution records
• Business records
• 1031 exchange documents

Organize records by both year and category so you can find them if needed.

For example:

2026 Taxes

• Income
• Deductions
• Investments
• Business
• Rental property
• Estimated payments

For property with a long holding period, consider creating a separate permanent folder for that specific asset.

Back Up Important Digital Tax Records

Digital storage is convenient, but a laptop failure should not erase 15 years of tax history.

Consider maintaining secure backups of important long-term records.

The IRS’s guidance on electronic records emphasizes accessibility, integrity, and the ability to reproduce the information when required.

Particularly important documents– such as property basis records, old returns, depreciation schedules, and 1031 exchange files– deserve more than one secure copy.

Should You Just Keep Everything for Seven Years?

You certainly can.

For someone with uncomplicated taxes, keeping ordinary tax-supporting documents for seven years may be an easy personal rule because it extends beyond the normal three-year period and covers the common six-year income-omission period.

But remember:

“Keep everything for seven years” is a convenience rule– not the complete IRS rule.

Some documents can generally be discarded earlier.

Others should be kept much longer than seven years.

For example:

• A 20-year-old closing statement may still be important if you still own the property.
• A decades-old depreciation schedule may still matter for rental property.
• Records from an old 1031 exchange may still affect today’s property basis.
• Unfiled-return records may need to be retained indefinitely.

The best approach is to think about what the document proves, not simply how old it is.

Tax Document Retention: Quick Reference

Here is an easy guide to the most common federal tax recordkeeping periods:

3 years:
Most records supporting a properly filed federal income tax return when no special exception applies.

3 years from filing or 2 years from payment, whichever is later:
Records supporting certain claims for credit or refund filed after the original return.

4 years:
Most employment tax records, measured from when the tax became due or was paid, whichever is later.

6 years:
When more than 25% of gross income shown on the return was omitted, and in certain cases involving specified foreign financial asset income.

7 years:
Records supporting a claim for a worthless-security loss or bad-debt deduction.

Indefinitely:
Records related to a required return that was never filed or a fraudulent return.

Property records:
Generally keep them for as long as you own the property and until the applicable limitations period expires after the property is disposed of.

1031 exchange records:
Keep records from both relinquished and replacement properties through subsequent exchanges until the limitations period expires after an eventual taxable disposition.

Stay Organized With Your Tax Records Before You Need Them

Good tax recordkeeping is not just about satisfying an IRS rule.

It can also make your financial life considerably easier.

Organized records can help you:

• Prepare accurate tax returns
• Support deductions and credits
• Respond to an IRS notice
• Handle an audit
• Establish the basis of property
• Calculate investment gains and losses
• Track depreciation
• Prepare amended returns
• Protect potential refund claims
• Provide your tax professional with accurate information

The IRS emphasizes that well-organized records make it easier to prepare a return and respond if questions arise later.

For most ordinary tax documents, three years is the starting point. But businesses, investors, property owners, employers, and taxpayers with special circumstances may need to retain records considerably longer.

At Matterhorn Tax Planning, we can help you determine which tax documents should stay in your files, which records are important for future returns, and when older documents can safely be removed.

Contact Matterhorn Tax Planning if you have questions about how long to keep your tax documents or need help organizing records for tax planning and preparation.