Key Tax Deadlines and Reminders for September 2025
As we approach the final months of 2025, several critical tax deadlines are on the horizon. Whether you extended your tax return earlier this year or have already filed, this article outlines important dates and considerations to help you stay compliant and prepared.
September 15, 2025: Deadline for Extended Partnership and S Corporation Returns
For those who extended their partnership or S corporation tax returns in April, the filing deadline is September 15, 2025. Ensure all necessary documentation is ready and submitted on time to avoid penalties. If you’re unsure about your filing status or requirements, consult with a tax professional promptly to confirm your obligations.
October 15, 2025: Deadline for Extended Individual Returns
For individuals who extended their personal tax returns, the deadline to file is October 15, 2025. If you haven’t yet prepared your return, now is the time to gather your financial records and work with a tax advisor to ensure accuracy and compliance.
September 15, 2025: Q3 Estimated Tax Payments Due
Regardless of whether you extended your tax return, the third quarter estimated tax payment is due on September 15, 2025. Estimated tax payments are required if you expect to owe at least $1,000 in taxes for the year (after withholding and credits). This applies particularly to individuals who are self-employed, earn rental or investment income, or have other income sources not subject to withholding. Timely payment is essential to avoid underpayment penalties.
Prepare Now for Year-End Obligations
As the end of the year approaches, now is an ideal time to address any outstanding bookkeeping or tax preparation needs, such as preparing for 1099 filings. Proactive planning can help you avoid the stress of last-minute deadlines. If you require assistance with organizing your financial records or filing requirements, schedule a consultation with a tax professional as soon as possible to secure support before the year-end rush.
Take Action Today
With September and October being some of the busiest months for tax-related tasks, early action is key to staying ahead. If you’re unsure about your specific needs or next steps, reach out to a tax professional for personalized guidance. Visit our website to book a consultation or contact us directly to discuss how we can assist you in meeting your tax obligations efficiently.By staying informed and proactive, you can navigate these deadlines with confidence and minimize stress as the year closes.
As we approach the final months of 2025, several critical tax deadlines are on the horizon. Whether you extended your tax return earlier this year or have already filed, this article outlines important dates and considerations to help you stay compliant and prepared.
September 15, 2025: Deadline for Extended Partnership and S Corporation Returns
For those who extended their partnership or S corporation tax returns in April, the filing deadline is September 15, 2025. Ensure all necessary documentation is ready and submitted on time to avoid penalties. If you’re unsure about your filing status or requirements, consult with a tax professional promptly to confirm your obligations.
October 15, 2025: Deadline for Extended Individual Returns
For individuals who extended their personal tax returns, the deadline to file is October 15, 2025. If you haven’t yet prepared your return, now is the time to gather your financial records and work with a tax advisor to ensure accuracy and compliance.
September 15, 2025: Q3 Estimated Tax Payments Due
Regardless of whether you extended your tax return, the third quarter estimated tax payment is due on September 15, 2025. Estimated tax payments are required if you expect to owe at least $1,000 in taxes for the year (after withholding and credits). This applies particularly to individuals who are self-employed, earn rental or investment income, or have other income sources not subject to withholding. Timely payment is essential to avoid underpayment penalties.
Prepare Now for Year-End Obligations
As the end of the year approaches, now is an ideal time to address any outstanding bookkeeping or tax preparation needs, such as preparing for 1099 filings. Proactive planning can help you avoid the stress of last-minute deadlines. If you require assistance with organizing your financial records or filing requirements, schedule a consultation with a tax professional as soon as possible to secure support before the year-end rush.
Take Action Today
With September and October being some of the busiest months for tax-related tasks, early action is key to staying ahead. If you’re unsure about your specific needs or next steps, reach out to a tax professional for personalized guidance. Visit our website to book a consultation or contact us directly to discuss how we can assist you in meeting your tax obligations efficiently.By staying informed and proactive, you can navigate these deadlines with confidence and minimize stress as the year closes.