Know Your Tax Form Deadlines

Filing season dates for tax year 2025 (forms typically filed in 2026). Pick a state for a printable table of every form we track, or print all states at once.

Deadlines by state

Each state page lists every tracked form with federal paper, federal e-file, state, recipient, and parts columns. Links are crawlable and print cleanly.

Form 941 Quarterly Due Dates

Employer's Quarterly Federal Tax Return. Due the last day of the month following each quarter (weekend/holiday rules may apply).

Quarter Period covered Due date
Q1January 1 - March 31April 30
Q2April 1 - June 30July 31
Q3July 1 - September 30October 31
Q4October 1 - December 31January 31

Dates are for planning only. Confirm with the IRS and your state agency before filing. Weekend, holiday, and emergency relief rules can move due dates. State "parts" counts are typical copy requirements and may vary by form and agency.