Filing Dates

01/15/26 – Fourth quarter 2025 estimated tax payment due
01/26/26 – IRS 2026 Tax Filing Season begins. The IRS will start accepting e-filed returns on this day
01/31/26 – Employers must give W-2’s to employees by this date, and businesses must give 1099’s to independent contractors by this date
03/16/26 – Partnership returns, form 1065 and S-Corp returns, form 1120S due
04/15/26 – Individual returns, form 1040 due, or request for automatic extension due.  Corporate Returns, form 1120 due
4/15/26 – First installment of 2026 estimated tax payment due for individuals required to make estimated tax payments
6/15/26 – Second installment of 2026 estimated tax payment due for individuals required to make estimated tax payments
9/15/26 – Third installment of 2026 estimated tax payment due for individuals required to make estimated tax payments
10/15/26 – For individuals with an automatic 6 month extension of time to file individual returns, Form 1040 are due
1/15/27 – Fourth installment of 2026 estimated tax payment due for individuals required to make estimated tax payments6