Get Your Free Guide to 2024 Tax Return Filing Dates

Understanding 2024 Tax Return Filing Deadlines

The Internal Revenue Service (IRS) sets specific dates each year when tax returns must be filed. For the 2024 tax year, most individual taxpayers must file their federal income tax return by Tuesday, April 15, 2025. This date applies to returns filed by mail or electronically. Understanding these dates matters because filing after the deadline can result in penalties and interest charges on any taxes owed, even if you made a mistake on your return.

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The April 15 deadline applies to most people filing individual returns. However, the IRS recognizes that not everyone can meet this date, which is why filing extensions are available. If you need more time, you can request an automatic six-month extension, moving your deadline to October 15, 2025. Keep in mind that an extension gives you more time to file your return, but it does not extend the time to pay any taxes you owe. The IRS may charge interest and penalties on unpaid taxes after April 15, regardless of whether you filed an extension.

State tax deadlines often align with the federal deadline of April 15, though some states have different dates. For example, certain states may require returns earlier or allow later filing dates. If you live in a state with income tax, check your state's tax authority website for specific instructions. Some taxpayers may face additional deadlines if they owe self-employment taxes, estimated quarterly taxes, or other special tax obligations.

Practical takeaway: Mark April 15, 2025, on your calendar as your primary filing deadline. If you cannot file by that date, understand that requesting an extension moves the deadline to October 15, 2025, but does not postpone payment obligations for taxes owed.

Key Dates to Know Beyond April 15

While April 15, 2025, is the main deadline for individual tax returns, several other important dates affect 2024 tax filing. Understanding these dates helps you organize your documents and plan ahead. Employers must distribute W-2 forms to employees by January 31, 2025. This gives you time to gather your income documents before starting your return. Banks and financial institutions must send 1099 forms—used to report interest income, dividend income, and other earnings—by the same January 31 deadline.

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If you receive a notice from the IRS, the deadline to respond depends on the type of notice. Some notices give you 30 days to reply, while others allow more time. Reading any IRS correspondence carefully and noting the response deadline is critical. Missing a deadline on an IRS notice can result in assessments or collection action. If you file a return claiming a refund, the IRS generally issues refunds within 21 days of receiving your return if you file electronically. However, tax refunds may take longer if your return requires additional review or if you filed by mail.

For those with business income, estimated quarterly tax payments are due on specific dates throughout the year. For 2024 estimated taxes, the last payment deadline was January 16, 2025. However, understanding this schedule helps you plan for 2025 quarterly payments due April 15, June 17, September 16, and January 15, 2026. Self-employed individuals, business owners, and those with significant investment income often need to make these payments to avoid penalties.

Practical takeaway: Create a timeline listing when you expect to receive income documents (January 31), when your return is due (April 15), and when you might receive a refund (within 21 days of filing electronically). Having this roadmap prevents missed deadlines and keeps your tax filing on track.

Filing Extensions and How They Work

An automatic extension gives you six additional months to file your federal tax return. For 2024 taxes, filing an extension moves your deadline from April 15, 2025, to October 15, 2025. You do not need to provide a reason to request this extension—it is automatic when you complete the proper form. The IRS form used for extensions is Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. You can file this form electronically, by mail, or through tax software.

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Many people misunderstand what an extension actually does. An extension gives you more time to prepare and file your return, but it does not give you more time to pay taxes owed. If you owe federal income tax, that amount is still due by April 15, 2025, even if you file an extension. If you do not pay by April 15, the IRS charges interest on the unpaid balance from April 15 until you pay. Penalties may also apply if the amount you owe is substantial. To avoid these charges, estimate how much you owe and pay it by the April 15 deadline, then file your actual return when ready.

Filing an extension is particularly useful for people with complex tax situations. This includes business owners who need time to gather records, those with income from multiple sources, and taxpayers claiming certain deductions that require detailed documentation. Real estate investors, freelancers, and others with self-employment income often file extensions because collecting all necessary documents and calculating self-employment taxes takes additional time. Additionally, if you are waiting for important documents from other sources or need time to consult a tax professional, an extension provides that flexibility.

Practical takeaway: If you need more time to file, file Form 4868 by April 15, 2025, to request an extension. Separately estimate and pay any taxes owed by April 15 to avoid interest and penalties. Then file your actual return before October 15, 2025.

State Tax Filing Deadlines and Variations

Most states that impose an income tax align their filing deadlines with the federal deadline of April 15, 2025. This means residents of these states file both federal and state returns by the same date. However, some states have different rules or additional considerations. For example, if you live in a state without income tax, you only need to file federally. States without income tax include Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, and Wyoming. New Hampshire and Tennessee tax only dividend and interest income, making them unique cases.

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Some states offer their own extension options. If you file a federal extension, many states automatically extend your state filing deadline as well. However, you should verify this with your state's tax authority. A few states have different extension periods than the federal six-month extension. Illinois, for instance, has historically allowed additional time in certain cases. Always check your specific state's requirements rather than assuming federal rules apply. This is especially important if you moved during the year, have income from multiple states, or have a complex tax situation.

If you worked in one state but lived in another, you may need to file returns in both states. This happens when you have income from working in a different state than your residence. Some states have reciprocal agreements that prevent double taxation, but others do not. Additionally, if you are a resident of a state and also earned income in another state, you typically file a part-year or full-year resident return in your home state and a nonresident return in the other state. Understanding these requirements prevents overpaying taxes or owing additional amounts later. The best approach is to contact your state's tax department directly or visit their website for detailed guidance on your specific situation.

Practical takeaway: Confirm your state's filing deadline and whether it matches the federal April 15, 2025, date. If you had income in multiple states, research that state's filing requirements. Visit your state tax authority's website or call their taxpayer assistance line to clarify any multistate tax obligations.

Organizing Documents and Preparing for Filing

Gathering the correct documents before you begin filing makes the process much smoother and reduces the chance of errors. Start by collecting all income documents. Your employer should send you a W-2 form by January 31, 2025, showing wages earned and taxes withheld. If you did not receive a W-2 by early February, contact your employer's payroll department. You should also gather any 1099 forms reporting other income. A 1099-INT shows interest income from banks and savings accounts. A 1099-DIV reports dividend income from investments. Self-employed individuals and freelancers receive 1099-NEC forms from clients who paid them more than $600 during the year.

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Beyond income documents, collect records related to deductions you plan to claim. If you itemize deductions instead of taking the standard deduction, you