January 15, 2025 

If you're self-employed or earn income that isn't subject to withholding, your final estimated quarterly tax payment for 2024 was due on January 15 this year. This date has already passed, so if you missed it, it's important to make that payment as soon as possible to avoid penalties and stay on track with your tax obligations.

February 18, 2025

If you have investment income, real estate transactions or other miscellaneous income, your financial institutions should provide the necessary 1099 forms by this date. These documents are crucial for accurate tax reporting, so be sure to keep an eye out for them.

April 15, 2025 

This is the big one. April 15 is the deadline to file your federal income tax return for 2024 unless you request an extension. It's also the deadline to pay any taxes owed to avoid late payment penalties and interest. If you're making estimated payments for 2025, the first quarterly payment is also due on this day.

June 17, 2025 

June 17 is the filing deadline for U.S. citizens living abroad, including military personnel stationed outside the country. These taxpayers automatically receive an additional two months to file without requesting an extension, though interest still applies to any unpaid tax after April 15.

September 15, 2025 

September 15 is the third-quarter estimated tax payment deadline for the 2025 tax year. This affects those who are self-employed and taxpayers with significant non-wage income. 

October 15, 2025

If you file for an extension in April, the October 15 deadline is your last chance to submit your 2024 tax return. If you don't file by this deadline, it could result in paying extra fees and penalties to the IRS, so make sure to meet this deadline if you've been granted an extension.