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May 2026 Business Due Dates

Historical deadline reminder

This article was published on 2026-04-23. The early-2026 dates discussed below have passed. Keep it as background; confirm the applicable tax year, current instructions and any relief before acting.

Check the IRS tax calendar and the instructions for your specific return. Individual filing and payment circumstances require separate review.

This month’s business tax deadlines include Form 941 filing and employer deposit due dates. Learn more about what’s due in May 2026 and stay compliant.

May 11 - Social Security, Medicare and Withheld Income

Tax File Form 941 for the first quarter of 2026. This due date applies only if you deposited the tax for the quarter in full and on time.

May 15 - Employer’s Monthly Deposit Due

If you are an employer and the monthly deposit rules apply, May 15 is the due date for you to make your deposit of Social Security, Medicare, and withheld income tax for April 2026. This is also the due date for the nonpayroll withholding deposit for April 2026 if the monthly deposit rule applies.

Weekends & Holidays:

If a due date falls on a Saturday, Sunday or legal holiday, the due date is automatically extended until the next business day that is not itself a legal holiday

Disaster Area Extensions

Please note that when a geographical area is designated as a disaster area, due dates will be extended. For more information whether an area has been designated a disaster area and the filing extension dates visit the following websites:

FEMA: https://www.fema.gov/disaster/declarations
IRS: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations

Discuss your next step with JH Group CPA

Explore our tax preparation and planning or request an introductory call with our Alhambra or Irvine team. Tell us your question, the relevant tax year and any approaching deadline. Share sensitive documents only through the secure process provided by the team.

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