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Last-Minute Tax Filing Checklist: What You Need to Know Before April 15

tax filing checklist

The April 15, 2025, tax deadline is right around the corner—and if you’re still finalizing your return, you’re not alone. Whether you’re a first-time filer or a seasoned pro, double-checking a few key items using a tax filing checklist can save you from costly mistakes, missed deductions, or delayed refunds.

At Harding Bell International, we know how stressful the final days of tax season can be. That’s why we’ve put together this quick, actionable tax filing checklist to help you cross the finish line with confidence.

Step 1: Double-Check Essential Documents

Avoid delays by making sure everything is in place. Before you hit submit, be sure you’ve collected all relevant forms:

  • W-2s for employment income
  • 1099s for freelance, investment, or other income
  • Form 1098 (mortgage interest)
  • Form 1098-T (education expenses)
  • Documentation for student loan interest, retirement contributions, charitable donations, and home office expenses

Pro Tip: Double-check details like Social Security numbers, addresses, and totals. Even small errors can trigger delays or IRS notices.

Staying organized is key—and this tax filing checklist ensures you’ve covered all your bases before submitting your return. The more thorough you are now, the smoother the process will be if the IRS comes knocking later.

Step 2: Maximize Deductions and Credits

Don’t leave money on the table. You may still be eligible for:

  • Student loan interest deduction
  • IRA or HSA contributions (made up until the filing deadline)
  • Child tax credit or education-related credits
  • Deductions for state and local taxes, or home office expenses

Keep receipts or supporting documents handy—you may need them to validate your claims if requested.

Step 3: Choose Your Filing Method Wisely

Speed, accuracy, and peace of mind matter. E-filing is your best bet this late in the game:

  • Reduces errors through built-in checks
  • Allows for faster refunds via direct deposit
  • Provides a timestamped confirmation of filing

If you’re mailing paper forms, be sure they’re postmarked by April 15 to avoid penalties.

Step 4: Pay Any Taxes Owed On Time

Even if you’re filing for an extension, payment is still due. If you owe taxes:

  • Submit your payment by April 15 to avoid late fees and interest
  • Use secure online IRS payment tools or authorized third-party services
  • Consider a payment plan if you can’t pay in full—it is better to set one up than miss the deadline

A good tax filing checklist also includes backup plans—like knowing how to file for an extension if you need more time. Being prepared helps reduce stress and prevent last-minute penalties.

Step 5: Need More Time? File an Extension

A little breathing room can make a big difference. You can request an automatic six-month extension by filing Form 4868. This gives you until October 15 to file your return.

But Remember: An extension to file is not an extension to pay. Estimate what you owe and pay by April 15 to stay penalty-free.

Let HBI Help You Cross the Finish Line

Whether you’re racing to meet the deadline or filing for an extension, this tax filing checklist can help you wrap up the season with confidence. At Harding Bell International, we’re here to support you every step of the way.

Need assistance fast? Contact us today to get personalized help before the deadline.

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