As the tax season starts, knowing about the important tax deadline is vital, especially for US expats, non-resident aliens, and green card holders. It is vital to file your taxes on time it helps you avoid penalties. Additionally, assist you in staying compliant with the rules and regulations of the IRS. Considering this, the tax filing deadline for 2025 was April 15, 2025. It is the date in the US when many people with IRS file 2024 returns.
However, apart from there are several more tax deadlines applied whole year. It includes tax extension deadlines, business tax filing deadlines, and quarterly estimated tax payments.
Want to know your tax deadlines for 2025 and where to file? Well, then you are on the correct page. Here we have broken down the 2025 tax filing deadlines and who they apply to. So read on and gain some understanding.
Key Takeaways
Generally, the income tax return for individuals in the US is due on April 15 of every year. However, on this date, if there is a weekend or a holiday, the next day becomes the due date.
You can also take an extension till October 15 by filing Form 4868. In case you need the date extension, you need to file the form before April 15.
Self-employed people, independent contractors, and gig workers file the estimated tax quarterly on the pre-set dates.
The tax deadline for S-Corps and partnerships is generally March 15 every year. Further, using Form 7004, you can extend the tax date till September 15.
When Are Taxes Due in 2025?
As stated above, the due date for filing taxes in the US is generally April 15. This date is for individuals who are calendar-year filers. In case you operate your business based on the fiscal year, generally, your tax return is due on the 15th day of the third or fourth month after the end of the fiscal year. Here, the due date depends on the business entity type.
However, if the tax due date falls on a weekend or a legal holiday, then the next business day becomes the due date.
Furthermore, as mentioned above, not only are these tax deadlines important to know, but there are several more. Thinking what they are? Read the next section, and you will get your answers.
Key Tax Deadlines to Know in 2025
Your tax liability is not the thing that you can brush off. Here is a simple-to-understand overview of vital tax deadlines for 2025 by month. Go through it so that you do not miss out on any tax deadlines.
January
Generally, the IRS starts the tax processing in January. Considering this, 2025 is also no exception. Moving ahead, let's know the tax dates that fall in this month.
January 15, 2025: If you are self-employed or have another source of income tax withholding, then this tax date is for you. For the tax year 2024, this is your final quarterly tax payment.
January 27, 2025: It is the beginning of the tax season. From this date, the IRS starts accepting and processing the 2024 tax returns.
January 31, 2025: It is the due date for employers to send their W-2 forms. To certify that you have completed your tax return on time, the IRS asks employers to send the employee a W-2 form.
January 31, 2025: Businesses hiring independent workers for their work should also need to send certain 1099 forms. It shows the business has paid money to the independent workers. It includes several forms like Form 1099, Form 1099-NEC, Form 1099-MISC, and Form 1099-K. This includes the income that does not directly come from employers. For instance, if you work as a self-employed individual and receive income as dividends, interest, and more.
February
The tax dates due in February for individuals, employers, and businesses are as follows:
February 14, 2025: This date is vital for businesses that operate on a calendar year. It is the deadline for partnerships and S corporations to submit their supporting documents. It provides the accountant with the time to prepare your taxes for your upcoming tax deadline in March.
February 15, 2025: This is the deadline to claim your tax exemption from withholding. If you opt to claim tax exemption from your employer, you need to fill out Form W-4. In case you do not have any tax liability this year or the previous year, you need to fill out this form.
March
March 17, 2025, is an important date for business types like S corporations and partnerships. It is the due date for their tax returns. If these businesses follow a calendar year, then by March 17, they need to fill out Form 1065 or 1120-S, respectively. Further, a fiscal year is used by your business, then you must file your taxes by the 15th day of your third or fourth month following the end of your tax year. For instance, if you follow the April 1 to 31 March tax year, then you need to fill out your tax return on June 16, 2025, instead of March.
April
This month consists of the important tax return dates for individuals and businesses.
April 15, 2025: For individual tax filers, it is the last date to file the tax returns for the 2024 tax year. After this date, you are no longer eligible to contribute any amount for the last tax year.
April 15, 2025: For self-employed workers, this date is the first estimated tax payment due date for 2025. On this date, the self-employed workers pay their quarterly tax payments. Here, the tax applied to the income they earned from January 1 to March 31, 2025.
June
If you are self-employed or receive income without any tax withholding, June 17, 2025, is your second-quarter tax payment. Here, the tax is applied to the income you earned from April 1 to May 31, 2025. It shows an equal quarterly share of your tax liability that you paid at uneven intervals.
September
This month includes the following tax deadlines:
September 15, 2025: For partnerships and S corporations, it is the last date to file their extended income tax return. In case they fail to file their tax returns, they are subject to interest and penalties on their due taxes.
September 15, 2025: September 15, 2025, is also the third-quarter tax payment for 2025. The tax is imposed on the income you earned from June 1 to August 31, 2025.
October
In case you requested an extension from the IRS to file your 2024 tax returns, October 15, 2025, is your last date to do so. Further, it is advisable not to wait for the last minute to file your ITR. Late filing of taxes, even after extension, results in significant interest charges and penalties.
December
In case you do not meet the October 15 tax deadline, expats in the US may request for additional extension. Through this, till December 15, 2025, you can pay your tax return for 2024. However, to get this extension, you need to provide a written explanation to the IRS, stating the reason for the further delay. It is beneficial for those who require extensive documents or have difficult foreign financial accounts.
January
January 15, 2026, is the fourth and last quarterly payment of your 2025 due taxes. It is the final quarterly payment for 2025. In case you opt to pay your complete tax liability for the previous year, then when you file for 2025 tax return by April 2026 unpaid taxes will be due.
These are the vital tax deadlines for 2025 that you need to consider when filing taxes.
Final Thoughts
Lastly, these are the tax deadlines for 2025 for individuals, businesses, and couples. Not knowing about these dates or avoiding them can result in tax penalties and interest. Also, before filing taxes, it is advisable to check the deadlines as per the state you live in. It is because the dates of some state taxes may vary as on their location.
Furthermore, if you need more information on tax deadline dates or are facing issues in filing your tax return, connect with Savetaxs. We have professionals in our team who can solve any query within a few minutes. Additionally, helps you file your taxes on time without any errors or mistakes. So, contact us now and let our experts help you with US taxation.
*Note: This guide is for informational purposes only. The views expressed in this guide are personal and do not constitute the views of Savetaxs. Savetaxs or the author will not be responsible for any direct or indirect loss incurred by the reader for taking any decision based on the information or the contents. It is advisable to consult with either a Chartered Accountant (CA) or a professional Company Secretary (CS) from the Savetaxs team, as they are familiar with the current regulations and help you make accurate decisions and maintain accuracy throughout the whole process.
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If you missed your key tax deadlines, then you have options for their repayment. Those options depend on your type of tax deadline you missed and whether your tax refund is due or you owe any tax amount.
For the tax year 2024, if you overpaid the taxes, then generally you did not face any penalty for filing late taxes. However, it is advisable to pay your due taxes as soon as possible. Further, you can claim your tax refund within three years of the due date. This means for tax returns of 2024 (due in April 2025), the refund closes in 2028. If you claim after this, your tax refund will become property of the US Treasury.
If you miss your tax filing deadline and owe taxes, then the IRS may charge 5% which is failure-to-file penalty imposed per month on the unpaid owe taxes, and it can be up to 25%. Additionally, a 0.5% failure-to-pay penalty on unpaid taxes per month. Apart from this, on the unpaid balance, interest rates will be charged, and on a quarterly basis, these will change according to the IRS.
In this scenario, as soon as possible make pay your due taxes. It is because the IRS charges interest and penalties on the amount you owe and how late you file your taxes. However, you can reduce the increased taxes by filing the taxes as soon as possible. In case you are not sure about your estimated taxes, you can pay 90% amount of your present tax bill or 100% of your last year's tax bill. It helps you avoid an underpayment penalty.
If you owe more than you pay, try to pay the amount as soon as possible. It is because the later you file your taxes, the more penalties and interest will be charged by the IRS on your due amount. Additionally, for the payment of your owed taxes, you can also sign an installment agreement. This helps you in paying your owed taxes in installments.
The fastest way to file your tax return in the US is electronically. Filing your taxes online on the IRS portal is more secure and time-saving than paper filing. It is because in the online mode, your tax return is electronically submitted to the IRS, so you do not need to worry about arriving late or getting lost in several mail. Also, within a few minutes of your tax return submission online, you receive the confirmation in your email ID. Apart from this, it is also the quickest way to receive your tax refund in less than 21 days into your bank account.
If you need more time to file your tax return, then it is advisable to request an extension in advance. It helps in not rushing the tax filing process. Generally, the IRS offers a six-month extension to anyone who requests more time than the due date to file taxes. To submit an extension request, you need to fill out Form 4868 available on the IRS website. However, know that this extension is not available for owe taxes, so file them on their respective due date.
If you live in an area impacted by a natural disaster and need more time to file your taxes, then the IRS might give you tax relief. Generally, the taxpayer who lives or has a business in the federally declared disaster area often there the IRS postpone the payment and tax filing deadlines.
If you made a mistake, you do not need to redo the application process. Along with Form 1040-X, filing an amendment, provide copies of the tax form or schedules that you are changing or that you did not attach to your original tax return. Form 1040-X of the IRS is a two-page paper that is generally used to amend a previously filed ITR.
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