Recordkeeping
What Tax Records Do I Actually Need to Keep?
The IRS has a 3-year window to audit most returns. Here's exactly which records to keep, for how long, and the simplest system that makes tax time not a nightmare.
Written by Matt Reese, CPA · 5 min read · Published April 2026·Share on LinkedIn
Key Takeaways
- The IRS generally has 3 years from your filing date to audit. Keep most records for at least 4 years to be safe.
- If you substantially underreported income (by more than 25%), the IRS has 6 years. For fraud, there's no limit — but that's a different situation entirely.
- Property records (equipment, vehicles, real estate) should be kept until you sell the asset, plus 4 years after.
- You don't need a shoebox of paper. A phone photo of every receipt, organized by year in Google Drive or Dropbox, is IRS-acceptable.
- Employment records have a 4-year rule. Payroll, W-2s, 941s — keep those separately.
The short answer: 3 years for most things, 4 to be safe
The IRS generally has 3 years from your filing date (or the return’s due date, whichever is later) to audit your return and assess additional tax. That’s the statute of limitations that covers the vast majority of situations. Keeping records for 4 years gives you a comfortable buffer.
There are longer windows in specific circumstances:
- 6 years if you substantially underreported income — meaning you left out more than 25% of your gross income
- No limit if the IRS believes you filed a fraudulent return or never filed at all
- 4 years for employment tax records
- Until you sell the asset + 4 years for any property you own (equipment, vehicles, real estate, investments)
Start the clock from when you actually filed, not when you were supposed to
What to keep, by category
| Record type | Keep for | Examples |
|---|---|---|
| Income records | 4 years | 1099s, invoices paid, sales receipts, bank deposit records, PayPal/Stripe statements |
| Business expense receipts | 4 years | Any purchase you deducted — meals, supplies, software, travel, marketing |
| Mileage logs | 4 years | Date, destination, business purpose, miles driven for each trip |
| Home office documentation | 4 years | Square footage records, utility bills, rent/mortgage statements if deducting |
| Bank and credit card statements | 4 years | Every account used for business activity |
| Business asset purchase records | Until you sell + 4 years | Invoices, closing documents, depreciation schedules |
| Vehicle records | Until you sell + 4 years | Purchase price, any improvements, sale price |
| Employment tax records | 4 years | W-2s, 941s, payroll journal, I-9 forms, time records |
| Contracts and agreements | Life of the contract + 4 years | Client agreements, leases, loan documents |
| Tax returns | Permanently | The actual filed returns, plus supporting schedules |
The system that actually works
The #1 reason people struggle with tax records isn’t that they don’t know the rules — it’s that they don’t have a habit. The receipts pile up, the year ends, and suddenly you’re reconstructing months of transactions.
The simplest system that works:
- Photograph receipts immediately.When you pay for something business-related, take a photo with your phone right then. Don’t wait. Paper receipts fade. Digital photos don’t.
- Upload to a dedicated folder weekly. Create a folder structure in Google Drive, Dropbox, or iCloud: Business → 2026 → Receipts → by month. Spend five minutes each week moving photos to the right folder.
- Record the transaction in your bookkeeping software. QuickBooks, Wave, or Xero will pull in bank transactions automatically. Match each transaction to a category and attach the receipt photo. This is your clean record.
- Keep a mileage log if you deduct your vehicle. Use an app (MileIQ, Stride) or a simple spreadsheet. Record date, starting point, destination, business purpose, and miles. The IRS expects contemporaneous records — meaning you tracked it at the time, not three years later from memory.
- At year-end, archive the folder.Zip the year’s folder and save it. You want at least two copies: one local, one in the cloud. Delete nothing for at least 4 years.
The bank statement alone is usually not enough
The home office and vehicle: more documentation required
Two deduction categories get extra scrutiny because they’re commonly abused: home offices and vehicles. If you take either deduction, documentation matters more.
Home office:Keep a floor plan sketch or measured square footage calculation showing the dedicated business area. Keep lease agreements or mortgage statements. Keep utility bills. Keep photos of the space. The “dedicated and regular use” requirement is the issue — personal use of the space disqualifies the deduction.
Vehicle: If you use the standard mileage rate, your mileage log is your documentation — date, destination, purpose, miles. If you use the actual expense method, you need receipts for everything (gas, maintenance, insurance, registration) plus a record of total miles driven and business miles driven.
Commuting miles — driving from your home to your regular office — are never deductible, regardless of method. Only miles driven for business purposes (client visits, supply runs, business meetings) count.
What to do if you’re behind right now
If you’ve been running your business without a records system and tax time is coming, here’s the triage:
- Pull bank and credit card statements for the year — most banks provide up to 7 years of history online
- Go through each statement and categorize transactions you remember
- For any expense you’re claiming as a deduction, make a note of the business purpose even if you can’t recover the original receipt
- Going forward, start the system described above — even mid-year it’s worth doing
A CPA can help you reconstruct a reasonable record set if you’re facing an audit. The IRS isn’t looking for perfection — they’re looking for evidence that the expenses were real and business-related.
You might also read
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Frequently asked
Questions owners actually ask
- Can I throw away records from 5+ years ago?
- For most records, yes — if the return was filed on time and there's no indication of fraud or substantial underreporting. The standard 3-year window starts from the filing date (or due date, whichever is later). Keep records at least 4 years to give yourself a buffer. If you're in doubt about a particular year, keep it.
- Does the IRS accept digital records?
- Yes. The IRS accepts digital scans and photos of receipts, provided they are legible and accurately reflect the original documents. Keep digital files backed up in at least two places — a local drive and cloud storage. If you use accounting software like QuickBooks or Wave, the transaction record isn't enough on its own; you still need the underlying receipt or invoice.
- What if I lost my records?
- Reconstruct what you can. Bank and credit card statements are often recoverable from your financial institutions — most banks keep statements for 7 years and can provide copies. For receipts you can't recover, document what you know: the vendor, approximate amount, business purpose, date. A good-faith reconstruction is better than nothing, but prevention (scanning receipts as they arrive) is far easier.
- I'm a sole proprietor — do I need to keep business records separately from personal?
- Technically no, but practically yes. Mixing personal and business expenses in the same records creates confusion at tax time and makes it hard to defend deductions under audit. The moment you mix a personal lunch receipt in with your business expenses, both become harder to defend. Maintain separate accounts and separate record folders.
- How long should I keep my actual tax returns?
- Forever, or at least as long as the associated records. Tax returns are summary documents — the underlying records are what the IRS would actually ask to see. But keeping the returns themselves is useful for reference, loan applications, and future tax planning. They don't take much space digitally.
Take the next step
Turn tax questions into a plan. Talk with Matt or see how we work with operating business owners.
Educational content only.This article is for informational purposes and does not constitute tax, legal, or investment advice. Every owner’s facts are different; consult a qualified CPA and advisor before acting. Tax and accounting services are provided through Matt Reese, CPA; investment advisory services are provided through Measured Risk Portfolios, a registered investment adviser. Matt Reese, CPA and Measured Risk Portfolios are separate entities; clients are not required to engage both.