Short Answer:

Tax records should generally be kept for at least three years from the date you filed your return or the due date of the return, whichever is later. This period covers most IRS audits or inquiries.

Certain situations require keeping records longer, such as seven years for unreported income, property records until the related tax obligations are satisfied, or indefinitely for assets like real estate. Proper record retention ensures compliance and helps resolve any issues with the IRS.

Detailed Explanation:

General Retention Period

For most taxpayers, the IRS recommends keeping tax records for a minimum of three years. This period starts from the date the tax return was filed or the due date of the return, whichever is later. The three-year period generally covers the statute of limitations for audits or amendments, allowing both the IRS and the taxpayer to review and correct returns if needed.

Situations Requiring Longer Retention
Certain circumstances require retaining records longer than three years. For example, if a taxpayer underreports income by more than 25% or fails to report income completely, the IRS may extend the statute of limitations to six years. Records related to unreported income, tax fraud, or substantial errors should be kept for at least seven years to ensure proper documentation is available.

Property and Asset Records
Records related to property, real estate, or investments should be kept until the associated tax obligations are resolved. This includes purchase and sale documents, records of depreciation, improvements, and related expenses. These records are necessary to calculate capital gains, deductions, and other tax obligations when the property is sold or transferred.

Refunds and Credits
Keep records supporting refunds, deductions, and tax credits for at least three years or until the IRS no longer has the right to question the return. Documentation such as receipts, bank statements, and supporting forms ensures that taxpayers can verify claims if questioned by the IRS.

Organizing and Storing Records
Organizing records by year, type, and tax category simplifies retrieval if the IRS requests verification. Both physical and digital copies are recommended. Ensure that digital files are secure, backed up, and readable for the required retention period. Well-organized records reduce stress during audits and make tax preparation easier in future years.

Additional Considerations
Some records, such as those related to business assets, retirement accounts, or major purchases, may need to be kept indefinitely. For example, records supporting basis in inherited property, stocks, or long-term investments should be maintained until the property is sold or disposed of. Keeping these records ensures accurate reporting of gains, losses, or tax obligations in the future.

Conclusion

Tax records should be kept for at least three years in general, but certain situations require seven years or longer. Property and investment documents should be kept until all related tax obligations are resolved, and some important records may need to be kept indefinitely. Proper retention of tax records ensures compliance, simplifies audits, and protects against penalties or disputes with the IRS.