Stay Organized
Key federal tax deadlines for 2026 — for individuals and businesses. Never miss a filing date or estimated payment again.
Note: Dates shown are general federal guidelines for 2026. State deadlines and individual circumstances may vary. Contact us to confirm the specific deadlines that apply to your situation.
Fourth quarter estimated tax payment due for individuals and businesses (Form 1040-ES / 1120-W).
Employers must furnish W-2s to employees and 1099-NEC to contractors by this date.
Paper forms 1099-MISC and other information returns must be filed with the IRS (electronic filers have until March 31).
S-Corporation (Form 1120-S) and Partnership (Form 1065) tax returns are due. Extensions available until September 15.
Electronic filing deadline for 1099-MISC, 1099-NEC, and other information returns with the IRS.
Form 1040 is due. File Form 4868 for an automatic 6-month extension. Q1 estimated payments also due.
C-Corporation (Form 1120) tax returns are due. Extensions available until October 15.
First quarter estimated tax payment due for individuals and businesses.
Second quarter estimated tax payment due for individuals and businesses.
Third quarter estimated tax payment due for individuals and businesses.
Extended deadline for S-Corporation (Form 1120-S) and Partnership (Form 1065) returns.
Final deadline for extended individual tax returns (Form 1040). No further extensions available.
Final deadline for extended C-Corporation returns (Form 1120). No further extensions available.
Last day to make tax-deductible charitable contributions, maximize retirement contributions, and execute year-end tax strategies.
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Take the first step toward financial clarity. Our team is ready to understand your unique needs and craft a tailored approach to your organization's fiscal health.
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