Collect SSNs or ITINs for yourself, your spouse (if filing jointly), and every dependent.
Individual Tax Preparation
Stop searching for documents mid-filing. This checklist covers every form, record, and life-event flag an individual filer needs — organized by document type, deduction category, and situation so nothing slips through the cracks. For more background and examples, see the guidance below; for built-in tools and options, use the quick tools guide.
Checklist Items
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Locate your prior-year federal tax return (Form 1040 with all attached schedules).
Record your bank routing and account numbers for direct deposit of any refund.
Confirm whether you have an IRS Identity Protection PIN (IP PIN) assigned to your account.
📅 When Your Documents Arrive
Jan 31
W-2s, 1099-NEC, 1099-MISC, 1099-G, SSA-1099, 1099-R
If not received by Feb 15, contact the issuer directly.
Feb 15
Consolidated 1099s from brokerages: 1099-B, 1099-DIV, 1099-INT
Brokerages get an extension because corporate actions can change final figures.
Mar 15+
Schedule K-1s from partnerships, S-corps, trusts, and estates
Many K-1s arrive after extensions — September or October is not unusual.
💡 Planning tip: Don't file until you have every expected document. A K-1 or corrected 1099 arriving after you've already filed requires an amended return (Form 1040-X), adding weeks of work.
⚠️ What the IRS Already Sees Before You File
Every W-2, 1099, and K-1 sent to you is simultaneously transmitted to the IRS. Their automated systems cross-reference every return against every form on file. A missing 1099-INT for $47 in savings interest generates a CP2000 notice — a proposed adjustment — typically arriving 12–18 months after you file. It is not an audit, but it requires a written response, documentation, and weeks of follow-up. Resolving a $12 discrepancy reliably costs hours. It is always faster to include every form than to explain a gap later.
📖 The $47 That Cost 4 Hours
A filer omitted a small bank interest form, assuming the IRS wouldn't notice $47. Fourteen months later, a CP2000 arrived proposing $12 in additional tax plus accrued interest. Responding required printing the original return, writing a formal reply, and mailing documentation. The IRS confirmed the correction three months after that. Total time spent: roughly four hours. The lesson isn't that the IRS is watching closely — it's that their computers are watching automatically, and every form costs almost nothing to include.
🔧 Choosing the Right Filing Tool for Your Situation
IRS Free File — $0
Available to taxpayers whose AGI falls below the annual threshold (check IRS.gov each January for the current limit). Provides brand-name software — TurboTax, H&R Block, and others — at no cost, identical to the paid versions. Best choice for W-2 filers who are comfortable with online software and want zero cost. The IRS Free File Fillable Forms option is also available at any income level, but has no guidance — it's essentially a digital paper form.
DIY Tax Software — $0 to $130
FreeTaxUSA charges $0 federal / $15 state and handles most situations including Schedule C and rental income. Cash App Taxes is entirely free with no income limit. TurboTax and H&R Block offer more hand-holding and audit support but can reach $100–$130 for complex returns. One important rule: always check the final price before submitting — many platforms show a low price during the interview and upgrade you to a more expensive tier when you enter Schedule C or investment sales.
CPA or Enrolled Agent — $200 to $600+
Worth every dollar when your situation involves self-employment with significant deductions, equity compensation (RSUs, ISOs, NQSOs), rental property, foreign income or accounts, or a high-stakes year (large inheritance, business sale, divorce). The preparer fee is itself deductible as a business expense if you're self-employed. Find a CPA through the AICPA's directory at aicpa.org or personal referrals. Avoid preparers who charge a percentage of your refund — it's a red flag and an incentive structure misaligned with accuracy.
🚨 The Tax Return Filed in Your Name — By Someone Else
Tax identity theft follows a predictable pattern: a fraudster obtains your Social Security number, files a return in your name claiming a large refund, and the IRS issues it before you file. When you file legitimately weeks later, your return is rejected as a duplicate. Resolving it requires filing Form 14039 (Identity Theft Affidavit), waiting 6–18 months for the IRS to investigate, and receiving your legitimate refund only after the case closes. The single most effective defense is filing as soon as your last document arrives — in February or early March for most people. If you've already enrolled in the IRS IP PIN program (see the IP PIN item in this checklist), your account has an additional layer of protection: no return can be filed under your SSN without that 6-digit code.
📝 Three Things to Do the Day You Submit
1. Save a copy of the completed return somewhere accessible. A cloud folder named "Taxes [Year]" is practical. Mortgage lenders typically request two years of federal returns during underwriting. College financial aid applications (FAFSA) require the prior year's AGI. Having your return at hand saves significant time in both situations — lenders and aid offices do not accept estimates.
2. Bookmark IRS.gov's "Get Transcript" tool. After creating a free IRS account, you can retrieve your official tax transcript for any filed year — useful for resolving IRS correspondence, verifying AGI, or recovering a lost return. The transcript is the authoritative record; your own copy is the working version. Create the account before you need it in a stressful moment.
3. Record your confirmation number and check IRS refund tracking. After electronic filing, the IRS acknowledges acceptance within 24–48 hours. Once accepted, "Where's My Refund" at IRS.gov shows your processing status and projected deposit date, updated daily. If your return is rejected (most commonly because of an incorrect prior-year AGI or missing IP PIN), you have time to correct and resubmit before the deadline.
⚠️ An Extension to File Is Not an Extension to Pay
Filing Form 4868 by April 15 gives you until October 15 to submit your return — not to pay what you owe. If you have a balance due, it is still owed by April 15. Unpaid tax accrues a failure-to-pay penalty of 0.5% per month on the outstanding balance, plus interest at the federal short-term rate plus 3%. On a $3,000 balance paid six months late, the combined penalty and interest adds roughly $100–$130. File an extension when you are genuinely missing documents (a late K-1, for example) — not as a way to delay a bill you already know is coming.
💡 A Large Refund Is Not a Win
A $4,000 refund means you overpaid $333 per month — an interest-free loan to the government. The structural fix is adjusting your W-4 withholding with your employer. After filing, spend ten minutes with the IRS Withholding Estimator at IRS.gov. It walks through your situation and recommends specific W-4 adjustments that can redirect those overpayments into each paycheck instead. The goal is a small refund or small balance due — predictable, efficient, and yours to invest throughout the year.
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Individual Tax Preparation
Stop searching for documents mid-filing. This checklist covers every form, record, and life-event flag an individual filer needs — organized by document type, deduction category, and situation so nothing slips through the cracks.
Personal Information
Wage, Salary, and Non-Employee Income
Investment and Interest Income
Other Income Sources
Above-the-Line Deductions — No Itemizing Required
Itemized Deductions — Only if Your Total May Exceed the Standard Deduction
Tax Credits — These Reduce Your Tax Owed Dollar for Dollar
Life Events — Flag These Before You Begin Filing
Additional Notes
Use this space for follow-ups, reminders, and key references.
