
Quarterly Estimated Tax Dates for 2026 and 2027
In short: IRS estimated tax payments for the 2026 tax year are due April 15, June 15 and September 15, 2026, and January 15, 2027. For the 2027 tax year, the dates set by law are April 15, June 15 and September 15, 2027, and January 18, 2028, though the IRS has not yet published the 2027 Form 1040-ES.
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