June 2025 Tax Compliance Calendar: Key Due Dates for Individuals

June 2025 Tax Deadlines Every U.S. Individual Needs to Know

Staying ahead of crucial tax deadlines is critical for maintaining compliance and avoiding unnecessary penalties—especially for small business owners and individuals navigating increasingly complex regulations. As a virtual accounting firm serving clients across the United States, Tax time 365 is dedicated to equipping you with timely insights and expert guidance. Here’s your essential overview of individual tax due dates in June 2025, including robust strategies to keep you on track.

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June 2: Final Due Date for Trustees to Issue Form 5498

By June 2, all IRA trustees and custodians must provide Form 5498 to account holders, documenting the fair market value (FMV) of IRA balances as of December 31, 2024. This FMV plays a vital role in calculating required minimum distributions (RMDs) for those aged 73 or older in 2025. Ensuring you receive and review Form 5498 is essential for long-term retirement planning and to meet IRS reporting requirements accurately.

June 10: Deadline for Reporting May’s Tip Income

Employees who earned over $20 in tips during May must report these earnings to their employer on IRS Form 4070 no later than June 10. Accurate and timely tip reporting ensures correct FICA and income tax withholding. If your regular wages don't cover all required withholdings, your employer will report uncollected amounts on your W-2 (Box 8), and you’ll need to address this balance at tax filing time to avoid surprises.

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June 16: Second Quarter Estimated Tax Payment Due

Self-employed individuals, independent contractors, and those with income streams not subject to automatic withholding (like investments or rental income) must remit their second estimated tax payment for the 2025 tax year by June 16. The U.S. operates under a pay-as-you-earn tax framework, enforced through payroll/pension withholding and required quarterly estimates. Failing to meet your safe harbor payment thresholds—either 90% of your current year liability or 100% (or 110% for high-income filers) of last year's tax—can trigger costly underpayment penalties.

  • Safe Harbor 1: Pay at least 90% of your current year tax liability.
  • Safe Harbor 2: Pay 100% (or 110% if AGI > $150,000, $75,000 if filing separately) of your prior year's liability.

Example: If your 2025 tax will be $10,000, but you’ve prepaid only $5,600, you fall short of the 90% safe harbor. However, if your 2024 tax was $5,000 and you’ve prepaid $5,600, you meet the 110% rule for higher incomes and avoid penalties.

State variations: Be aware—state safe harbor and de minimis rules, due dates, and thresholds often differ from federal standards. Reach out to our experts at Tax time 365 for tailored, state-specific guidance.

June 16: Tax Deadlines for U.S. Citizens Abroad

U.S. citizens or resident aliens living outside the U.S. or Puerto Rico (including those on military duty) face a June 16 deadline to file their 2024 income tax return and remit any amount due. If additional time is needed, file Form 4868 for a four-month extension, but remember—this only extends your filing date, not your payment due date. Late payments accrue penalties and interest, so accurate estimation and timely payment are crucial.

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Special Provisions: Military and Disaster Relief

  • Combat Zone Extensions: Service members deployed in a qualified combat zone or contingency operation receive a 180-day extension for all IRS deadlines, starting after the last day in the zone or hospitalization for related injuries. Additional days may be added based on time remaining to act when entering the zone.
  • Disaster Area Extensions: IRS and FEMA may grant deadline extensions for those affected by federally declared disasters. For latest updates, visit FEMA and IRS Disaster Tax Relief portals.

Weekend & Holiday Adjustments

If any deadline falls on a weekend or federal holiday, it automatically shifts to the next business day.

Compliance Best Practices

The cost of late filing—a 5% penalty per month (up to 25%)—emphasizes timely action, even if you cannot pay in full. File on time to avoid the steepest penalties, and discuss installment agreement options with Tax time 365 to resolve outstanding liabilities over time.

Need expert guidance for your federal or state compliance, extensions, or payment strategies? Contact Tax time 365 and empower your tax planning for success in 2025 and beyond.

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