Estimated Tax Payments
IRS is pay as you go, and estimated taxes should be paid if you do not have withholding sufficient to cover your projected tax due. For more information, visit the IRS website.
https://www.irs.gov/faqs/estimated-tax/individuals/individuals
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Due dates do not correspond to exact calendar quarters. 3 of the 4 payments will be in the current tax year and the final payment is January of the following year. Then, when you do your tax return in the spring, any difference is trued up via a refund or additional payment owed. If you are paying estimates to cover your 2026 taxes, payment due dates are 4/15/26, 6/15/26, 9/15/26, and 1/15/27.​
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Generally, you will make payments from your INDIVIDUAL (not business) Online Account, even if you are paying taxes related to income generated from your business (sole prop, S corp, or partnership).
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Make sure to select the appropriate reason from the IRS dropdown menu when you get to the payment screen.
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Estimated Tax- used for paying quarterly estimates.
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Balance Due- if your tax return has been filed and you need to make a payment because you didn't pay via direct debit on your tax return.
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Extension- if you are requesting an extension of time to file but still need to pay.
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