August 2025 Business Due Dates

Key IRS deadlines for businesses in August 2025, including Form 941 and payroll tax deposits. Stay compliant and avoid penalties with this quick reminder.

August 11 - Social Security, Medicare and Withheld Income Tax

File Form 941 for the second quarter of 2025. This due date applies only if you deposited the tax for the quarter in full and on time.

August 15 - Social Security, Medicare and Withheld Income Tax

If you are an employer and the monthly deposit rules apply, August 15 is the due date for you to make your deposit of Social Security, Medicare, and withheld income tax for July 2025. This is also the due date for the nonpayroll withholding deposit for July 2025 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

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