Key Tax Filing Dates to Remember
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Stay ahead of deadlines with OkeyTax – your trusted partner in tax compliance.
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🔢 Estimated Tax Payment Deadlines
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January 15 – 4th Quarter Estimated Payment (Prior Year)
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April 15 – 1st Quarter Estimated Payment
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June 15 – 2nd Quarter Estimated Payment
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September 15 – 3rd Quarter Estimated Payment
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💼 Payroll Tax Filing Deadlines
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January 15 – Q4 Payroll Filing (Previous Year)
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January 31 – File W-2 & W-3 Forms
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April 15 – Q1 Payroll Filing
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July 15 – Q2 Payroll Filing
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October 15 – Q3 Payroll Filing
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🧾 Tax Return Filing Deadlines
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March 15 – S Corporations (Form 1120-S) & Partnerships (Form 1065)
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April 15 – C Corporations (Form 1120) & Individuals (Form 1040)
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September 15 – Extended Deadline: S Corps & Partnerships
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October 15 – Extended Deadline: C Corps & Individuals
Need help staying compliant?
📞 Contact OkeyTax today and never miss a deadline again.



