Key Dates

Important Tax Deadlines

A simple 2026 reference for common filing dates, estimated tax payment deadlines, and planning reminders.

January 15

Q4 Estimated Tax Payment Due

January 31

W-2s and 1099s issued to recipients

April 15

Individual Tax Return Deadline / Q1 Estimated Payment

June 15

Q2 Estimated Tax Payment Due

September 15

Q3 Estimated Tax Payment Due / Extended Business Returns

October 15

Extended Individual Returns Due

Dates can shift for weekends, holidays, extensions, disaster relief, entity type, and state-specific rules. Use this as a planning reference and confirm the deadline that applies to your situation.