June 2025 Business Tax Deadlines: Critical Dates for Employers & Corporations

Staying ahead of vital tax deadlines is essential for every business owner, especially as we move into June 2025. Whether you run payroll, manage corporate accounts, or oversee accounting processes, missing a compliance deadline can result in costly penalties from both federal and state agencies. As a professional accounting firm serving Newport Beach and the wider business community, Haley Claypool & Associates is dedicated to helping businesses keep their filings timely, organized, and compliant.

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June 2025 Key Business Tax Due Dates

  • June 16, 2025 – Employer’s Monthly Federal Tax Deposit Due:
    For employers following the monthly deposit schedule, ensure your deposits for Social Security, Medicare, and withheld federal income tax for May 2025 are made by this date. Nonpayroll withholding (such as backup withholding and withholding on pensions) for May is also due if the monthly deposit rules apply.
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  • June 16, 2025 – Second Estimated Tax Payment for Corporations:
    Calendar-year C-corporations must deposit the second installment of estimated federal income tax for 2025. Timely payment helps prevent interest charges and underpayment penalties.

Best Practices for Meeting IRS Deadlines

Businesses should implement robust internal controls and set automated reminders to stay compliant with monthly federal deposit schedules. Utilizing professional payroll services or advanced accounting software can streamline reporting requirements and ensure accurate, timely filings.

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IRS Guidance: Weekends, Holidays & Disaster Relief

  • Weekend or Holiday Extension: If a federal tax deadline falls on a Saturday, Sunday, or legal holiday, you’ll have until the next business day to file and pay—an important consideration when planning your June compliance strategy.
  • Disaster Area Extensions: The IRS offers automatic deadline extensions in federally declared disaster areas. For real-time updates and eligibility details, consult the following resources:
    FEMA Disaster Declarations: https://www.fema.gov/disaster/declarations
    IRS Disaster Tax Relief: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations

Local Expertise in Newport Beach & Beyond

Haley Claypool & Associates, helmed by experienced tax prepare Haley Claypool, is committed to providing business owners and corporations with proactive tax planning and reliable compliance support. Need personalized guidance or clarity on reporting requirements? Contact us now or call 818-338-8700. Our Newport Beach office is ready to assist with all your June filing needs.

Have Questions?
Let's talk. We are here to help!
Contact Us
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