Important April 2026 Business Tax Due Dates

April is a busy month for small business owners. Between managing your daily operations and tracking tax deadlines, it can feel overwhelming. Let’s break down exactly what you need to know for April 2026.

Picture this: You are running your spring payroll, and suddenly you remember Q1 forms are due. Instead of scrambling, keep this brief list handy to stay on track.

April 15 Deadlines

C-Corporations: File your 2025 calendar year income tax return (Form 1120) and pay any tax due. Need more time? File Form 7004 for an automatic 6-month extension and deposit your estimated owed tax. Remember, an extension to file is not an extension to pay. Also, the first installment of your 2026 estimated tax is due today.

Accountant working on business tax due dates

Fiduciary Returns: Last day to file a 2025 calendar year return for estates and trusts (Form 1041) or request an extension.

Payroll & Non-Payroll Withholding: If you fall under the monthly deposit rule, deposit the tax for your March payments.

April 30 Deadlines

Quarterly Payroll (Form 941): File your Form 941 for the first quarter of 2026. Deposit any undeposited tax. If your liability is under $2,500, you can pay it with a timely filed return. If you already deposited in full and on time, you have until May 11 to file.

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Federal Unemployment Tax (FUTA): Deposit tax owed through March if it exceeds $500.

Important Exceptions

Weekends & Holidays: If a deadline falls on a weekend or legal holiday, you get until the next business day.

Disaster Relief: If you are in a designated disaster area, the IRS often grants deadline extensions. Check these resources for updates:

Navigating tax due dates can bring unnecessary stress to your plate. If this sounds familiar, we can walk you through it step by step.

Virtual AI
If you’re ready to get a handle on your tax situation, reach out and we’ll guide you through each step.
Let’s Sort This Out
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