Individual Tax Preparation Checklist: What You Need for Form 1040

January 2026 TripleH CPA PLLC

Complete guide to gathering all documents needed for accurate individual tax filing

Preparing your individual tax return is much easier when you know exactly what documents to gather. This guide provides a clear, organized checklist of the information needed to complete your Form 1040 accurately and efficiently. Whether you are a returning client or working with TripleH CPA for the first time, these items help ensure we capture every eligible deduction, credit, and tax benefit available to you. Use this list as your starting point for a smooth and stress-free tax filing experience.

1. Personal Information

  • Full legal name, SSN/ITIN, and date of birth for taxpayers, spouses, and dependents
  • Current address, phone number, and email address
  • Copy of driver's license for taxpayers and spouses
  • Prior year tax returns for reference

2. Income Documents

  • W-2s from all employers
  • Paystubs showing tips or overtime (if not fully reported on W‑2)
  • 1099 forms:
    • 1099-NEC (contractor/self-employment income)
    • 1099-MISC (other income)
    • 1099-INT (interest income)
    • 1099-DIV (dividends)
    • 1099-B (brokerage transactions)
    • 1099-R (retirement distributions)
    • 1099-G (unemployment or state refunds)
  • K-1s from partnerships, S corps, trusts, or estates
  • Rental property income and expense records

3. Expense & Deduction Records

  • Annual car loan interest statement or year-end loan summary for new vehicles bought in 2025
    For new "No Tax on Car Loan Interest" deduction: Include total interest paid for the year, loan start date, loan balance, lender's name, and vehicle details (VIN is ideal)
  • Mortgage interest statement (Form 1098)
  • Closing disclosure if home purchased during the year
  • Property tax receipts (if itemizing)
  • Charitable contributions (cash and non-cash, with receipts)-(if itemizing)
  • Medical expenses (if itemizing)
  • Childcare expenses (provider name, address, EIN/SSN, and amount paid)
  • Education expenses (Form 1098-T, tuition, fees, student loan interest Form 1098-E)
  • IRA contributions (IRA, SEP, SIMPLE, 401(k))
  • Rental property expenses (repairs, insurance, utilities, depreciation schedules etc)

4. Credits & Other Items

  • Health insurance coverage forms (1095-A, 1095-B, or 1095-C)
  • Proof of estimated tax payments made (IRS or state vouchers)
  • Child tax credit or dependent care credit documentation
  • Energy-efficient home improvement receipts (solar, windows, HVAC, etc.)
  • Education Tax Credit documentation (Form 1098-T, tuition, fees, student loan interest Form 1098-E)

5. Compliance & Catch-Up

  • IRS notices or correspondence
  • Proof of extensions filed (if any)
  • Entity documents (LLC/S corp elections, EIN confirmation)

Important Tax Season Tips

Organization is Key: Start gathering documents as soon as you receive them. Create a folder (physical or digital) for all tax-related paperwork.
New Tax Laws: For 2025 tax year, remember the new "No Tax on Car Loan Interest" deduction for new vehicles purchased in 2025. Keep your loan statements organized.
Digital Copies: Consider scanning important documents for backup and easy sharing with your tax preparer.
Timing: Most tax documents arrive by January 31st. If you're missing something by mid-February, follow up with the issuer.

Need Professional Tax Preparation Help?

Our expert CPAs can help ensure your individual tax return is accurate, complete, and optimized for maximum refund. Contact us for personalized tax preparation services.

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