Missed the Tax Deadline? Here’s How to File a Personal Tax Extension in 2025 | Trusted San Leandro Tax Experts

Missed the Tax Deadline? Here’s How to File a Personal Tax Extension in 2025

Introduction

 

The IRS deadline to file personal taxes for 2025 was April 15. If you missed it, you can still request an extension. This gives you until October 15 to file your tax documents. However, it does not extend the deadline to pay any taxes you owe. Prado Tax Services offers professional tax preparation and extension filing for individuals and businesses in the San Leandro area.

What Is a Personal Tax Filing Extension?

 

A tax extension allows you to delay submitting your tax return, but you must still estimate and pay your taxes by the original deadline. You can request an extension by submitting IRS Form 4868. Filing for an extension avoids the late-filing penalty and gives you more time to organize your documents and maximize deductions.

Key 2025 Tax Dates

 
  • April 15, 2025: Last day to file personal tax returns or request an extension (now passed)
  • October 15, 2025: Deadline to file if you received an extension

Missing both deadlines can result in penalties and interest. If you’re unsure about your filing status, contact a local tax professional like Prado Tax Services for assistance.

State vs. Federal Deadlines: Why It Matters

 

Many taxpayers are confused by the difference between state and federal tax deadlines. Business owners, in particular, should pay close attention to this. For a deeper understanding of how these dates impact your filing strategy, read our article on State vs. Federal Tax Deadlines 2025: What Business Owners Need to Know.

Methods to File a Tax Extension

 

You can file for an extension electronically using IRS Free File or approved tax software. You may also mail a paper Form 4868 to the IRS. Be sure to keep proof of submission.

For California state taxes, the Franchise Tax Board (FTB) typically grants an automatic extension to file through October 15. However, this does not extend the time to pay any taxes due. More information is available at the California FTB site.

Required Forms to File an Extension

 
  • Federal: IRS Form 4868 (for individuals), IRS Form 7004 (for estates, trusts, and business entities)
  • State: No separate form needed in California if you file by the extended deadline
  • Proof of Payment: Always retain documentation for estimated tax payments made with the extension

Estimated Tax Payments

 

If you owe taxes, you are required to pay your estimated liability by April 15 to avoid interest and penalties. The IRS recommends paying as much as you can when requesting an extension.

Related Forms for Estimated Tax Payments

 
  • Federal: IRS Form 1040-ES
  • California: Form 540-ES

Underpayment can lead to additional penalties even if an extension was filed on time.

Steps to File a Late Tax Extension

 
  1. Estimate your total tax liability for 2024.
  2. Complete IRS Form 4868 immediately.
  3. Submit the form online or mail it to the IRS as soon as possible.
  4. Pay any taxes you owe to minimize penalties and interest.
Steps to File a Late Tax Extension

Prado Tax Services helps individuals and small businesses file tax extensions quickly and correctly. Our licensed tax preparers handle all documentation and ensure compliance with IRS guidelines.

Specific Situations

 

1. Estates and Trusts

If you are filing for an estate or trust, use IRS Form 1041. The deadline for calendar year filers is April 15. You may request an extension by submitting IRS Form 7004, which grants an additional five and a half months to file. California follows the same due dates, and more details are outlined at the California Franchise Tax Board.

2. Outside of the USA

If you live outside the United States and Puerto Rico on the April 15 deadline, you may qualify for an automatic two-month extension to June 15. To claim this, attach a statement to your return explaining your situation. This applies to both U.S. citizens and resident aliens living abroad. Keep in mind that any taxes owed are still due by April 15 to avoid penalties.

3. Farmers or Fishermen

Taxpayers who earn at least two-thirds of their total income from farming or fishing may qualify for different filing rules. If you file your tax return and pay the full amount by March 1, you are not required to make estimated tax payments. If you miss this date, you must follow the standard filing rules. Extensions are still available, but estimated taxes should be paid on time to avoid penalties.

What If You Made an Underpayment?

 

An extension to file is not an extension to pay. If you underpay your estimated taxes by the April 15 deadline, you may be charged interest and penalties. The IRS recommends paying as much as you can when requesting an extension. Prado Tax Services helps clients calculate accurate estimated payments and file to minimize penalties.

How to Choose the Right Tax Preparer?

 

Filing for an extension is just one part of staying compliant with IRS rules. The person you choose to help you can make a significant difference. Learn how to make the right decision in our guide: How to Choose the Best Tax Preparer in the Bay Area.

Benefits of Filing an Extension

 

Filing an extension gives you extra time to gather missing paperwork, verify income, and claim all eligible deductions. This reduces errors and helps you file a more accurate return. It also allows tax professionals to review complex financials in detail.

Common Mistakes to Avoid

 
  • Filing the extension too late
  • Assuming the extension delays your payment
  • Not paying estimated taxes
  • Ignoring IRS letters or notices

Avoid these errors by working with experienced tax professionals. Prado Tax Services offers complete tax filing support for individuals, freelancers, and small business owners.

Why Choose Prado Tax Services?

 

We provide reliable tax preparation and advisory services in San Leandro and the surrounding Bay Area. Our team includes licensed tax professionals who specialize in individual and business taxes. We help clients reduce tax liabilities, stay compliant with IRS rules, and file on time. Whether you need help with a personal tax return, LLC taxes, or a tax extension, we offer affordable, accurate solutions.

Book Your Free Tax Consultation Today

Missed the deadline? Prado Tax Services can help you file your extension and avoid IRS penalties. Contact us today for professional tax help in San Leandro.

Call (888) 829-1125 or schedule your consultation online at pradotaxservices.com.

Reference: California Franchise Tax Board – Due Dates for Personal Filing

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