Essential May 2026 Business Tax Deadlines

April is over, but business tax compliance is a year-round commitment. For employers in Phoenix and Mesa, missing a payroll tax deadline can trigger IRS penalties. Keep track of these federal due dates for May 2026.

Essential May 2026 Payroll Deadlines

May 11 – Form 941: If you deposited your first-quarter taxes in full and on time, you have until today to file Form 941 for Social Security, Medicare, and withheld income.

May 15 – Employer Monthly Deposits: Employers following the monthly rule must remit Social Security, Medicare, and withheld income taxes for April 2026. This also applies to nonpayroll withholding deposits.

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Holidays and Disaster Extensions

Deadlines falling on a weekend or legal holiday automatically shift to the next business day. Furthermore, locations designated as disaster zones receive extended filing windows. Verify current declarations here:

If managing these employer obligations feels overwhelming, reach out to Vernon C Daniels Jr and the New Beginnings One Stop Tax Help team today.

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