Your Must-Know Dates for the 2025 US Tax Season

2025 Tax Payment Dates

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The biggest annual tax deadlines small businesses need to know are:

• March 17 – for business taxes (partnerships, multi-member LLCs, and S-Corps)
• April 15 – for individual income taxes

For estimated quarterly payments, these are the dates for your calendars:

• April 15
• June 16
• September 15
• January 15 (2026)

These quarterly payments cover self-employment tax (including Social Security and Medicare) and income tax.

If the standard date (usually the 15th) falls on a weekend or holiday, you have until the next business day. For example, the usual June 15 deadline will fall on June 16 this year.

Business Considerations Before Filing

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Ahead of filing, make sure you consider the following for your business:

• Understand your business type – Whether you operate as a sole proprietor, LLC, partnership, S-Corp, or C-Corp, your business type will have an impact on the forms you need to fill out
• Review tax laws in your state – Make sure you’re staying compliant with the latest regulations for businesses operating in your area (I recommend checking trusted government sites or fellow small business owners for more information)
• Organize your paperwork and records – Don’t lose track of important records, such as payroll statements, invoices, and sales receipts, ahead of the tax deadline

If you’re feeling uncertain or uncomfortable about the US tax filing process, please consult a tax professional for expert advice.