Important Tax Dates
It is important to know the various filing dates. The list below shows the 2026 deadlines for filing 2025 Individual income tax returns as well as deadlines for extensions and 2026 estimated tax payments
January 15, 2026
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Pay the balance of your 2025 estimated tax.
January 31, 2026
Make sure you have received a Form W-2 from each employer for whom you worked in 2025.
April 15, 2026
File your 2025 tax return and pay the balance of your 2025 tax liability. If you cannot meet this deadline you may obtain an automatic 6 month filing extension by filing Form 4868. The due date is April 15th.
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You are still required to estimate your 2025 tax liability and pay the balance of your 2025 tax liability or face interest and penalties.
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Pay the first installment of your 2026 estimated tax.
June 15, 2026
Pay the second installment of your 2026 estimated tax.
September 15, 2026
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Pay the third installment of your 2026 estimated tax.
October 15, 2026
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File your 2025 return if you received an automatic 6 month extension using Form 4868.
December 31, 2026
If self-employed, this is the last day to set up a qualified retirement plan for 2026.