Final Extension Deadline: What to Do Before October 15

🗂️ Final Extension Deadline: What to Do Before October 15

If you filed a tax extension earlier this year, the clock is ticking. October 15 is the final deadline to submit your 2024 federal return — and for many Oklahoma taxpayers, it’s the last chance to avoid penalties and lock in deductions. At Keens Tax Service, we’re here to make sure your final filing feels less like a scramble and more like a win.

📅 Who Needs to File by October 15?

This deadline applies to:

  • Individuals who filed Form 4868 for a personal extension
  • Self-employed taxpayers who delayed Schedule C filing
  • Small business owners with pass-through entities (LLCs, S corps)
  • Anyone who needed more time to gather documentation or resolve tax issues

If you’re unsure whether you filed an extension or need help confirming your status, visit our and we’ll walk you through it.

📄 What Documents Should You Have Ready?

Before filing, gather:

  • W-2s, 1099s, and K-1s
  • Expense logs and receipts
  • Retirement contribution records
  • Health savings account (HSA) statements
  • Charitable donation receipts
  • Any IRS correspondence related to your extension

Need help organizing your paperwork? Our can guide you step-by-step.

🧮 Last-Minute Moves That Still Count

Even in the final days before the deadline, you can make smart decisions:

  • Max out IRA contributions (if eligible). Learn more about .
  • Review business expenses for deductions — mileage, supplies, software, and more.
  • Double-check dependents and credits like the Child Tax Credit or Earned Income Credit.
  • File electronically to avoid mail delays and reduce errors.

🏛️ Oklahoma-Specific Reminders

Oklahoma offers unique tax credits and deductions:

  • Energy-efficient home upgrades
  • Education-related expenses
  • Property tax relief for qualifying seniors and disabled individuals

Some credits require documentation submitted with your federal return. If you’re unsure what applies, check out our for guidance.

💬 Need Help Filing?

Keens Tax Service offers:

  • Extension return filing
  • Last-minute deduction reviews
  • Secure e-filing and document prep
  • Personalized support for Oklahoma taxpayers

Don’t wait until October 14 to get started. Schedule your appointment today through our or explore our to see how we can help.

🔗 Helpful Resources