Tax season has a way of sneaking up on everyone. One minute it’s the holidays… and the next thing you know, it’s April. The good news? A little preparation now can make April 15 feel completely manageable — maybe even easy.
Whether you’re filing an individual return, managing self‑employment income, or coordinating multiple sources of income, early preparation is the key to a smoother experience. Being proactive can help reduce errors, avoid unnecessary penalties, and give you time to make informed decisions—such as whether filing an extension or adjusting last‑minute contributions makes sense for your situation.
Whether you plan to file early or closer to the deadline, here’s how to get ahead and reduce stress this tax season.
What’s New for the 2026 Tax Filing Season?
Before you dive in, it’s helpful to know what’s changed for 2025 tax returns (filed in 2026):
Higher Standard Deductions. The standard deduction increased again for 2025. For many taxpayers, this means a slightly lower taxable income without having to itemize.
Digital Asset Reporting. If you bought, sold, exchanged, or received cryptocurrency or other digital assets in 2025, you must report it — even if you didn’t receive a tax form. This continues to be an IRS focus area.
Refunds: Direct Deposit is Key. E-filing with direct deposit remains the fastest way to receive your refund. Most refunds are issued within about 21 days when filed electronically and accurately.
Important Deadlines to Know
April 15 isn’t just “Tax Day.” It’s also tied to several other important deadlines:
- File your 2025 individual tax return
- Pay any taxes owed
- Make your first 2026 estimated tax payment (if applicable)
- Contribute to IRAs or HSAs for 2025
If you need more time, you can file an extension until October 15 — but remember: An extension gives you more time to file, not more time to pay. Any taxes owed are still due by April 15 to avoid penalties and interest.
NOTE: The USPS recently changed how they postmark mail. Under the new rule, the official postmark date shown on mailed items will generally reflect when the mail piece is first processed at a regional sorting facility—not when it was received. This may result in a postmark date that is later than when you delivered your item to the USPS, so be sure to plan for that.
Get Organized Early & Review Changes
One of the most common reasons tax returns are delayed—or filed with errors—is missing or incomplete information. Gathering your documents early gives you time to identify gaps and address questions before the deadline approaches.
Start by organizing key records such as income statements, investment documents, deductible expense receipts, and last year’s tax return. Having everything in one place not only saves time, but also helps ensure consistency and accuracy from year to year. Here are some other things to consider:
- Think about how your circumstances changed in the last year. Did you collect unemployment? Did you change jobs? Did you get married, divorced or have a baby? Did you start a new side gig? Did you start investing in stocks, cryptocurrencies, or other trading instruments? Did you buy or sell a home? These events can affect filing status, deductions, credits, and withholding. The earlier you identify changes, the better we can plan for them.
- Identify new income sources, and make sure you have a good list ready to share with your tax preparer.
- Gather key income document forms for tax filing such as 1099s, W-2s, K-1s, digital asset transaction records, brokerage statements, retirement income forms (1099-R) and others. Your tax preparer can give you a list of the most common forms if you’re not sure what you need. If you’re missing some, contact the appropriate party, find out when you can expect to receive them, and communicate these timelines with your preparer.
- Gather deduction and credit records like mortgage interest statements, property tax records, charitable contribution receipts, medical expense documentation, education expense forms (1098-T) and childcare expenses.
- Gather other helpful information like last year’s tax return, bank routing and account numbers (for direct deposit) and estimated tax payment records.
- Ensure your accounting records and supporting documents are in good order by posting year-end journal entries and confirming all activity is recorded. Your tax preparer can help you understand how your business activity (1120S, 1065, Schedule C) feeds into your individual return if you’re unsure.
- If you expect important tax documents to arrive late, let your preparer know so that you can file an extension. A tax filing extension request will grant you more time to file your taxes, but payments remain due on April 15th. Any tax liability not satisfied by April 15th will begin to accrue penalties and interest. Your tax preparer can also help you calculate your estimated tax liability or overpayment before the deadline.
Heads up! The One Big Beautiful Bill Act made changes to reporting for tips, overtime and 1099s.
Manage the Present
- What you do now can make a big difference in your future tax filing. Communicate throughout the year with your tax preparer about changes in dependents, marital status, business ownership, income sources, home purchases, and others.
- Gather information about estimated tax payments made during the year. You can view your tax account online with the IRS to retrieve information about your tax filings. You can also figure your estimated tax by using Form 1040-ES or Form 1120-W.
- Recent updates under the One Big Beautiful Bill Act (OBBBA) may affect how some individuals approach their tax filings. The law made several existing tax provisions permanent—such as lower individual tax rates and the increased standard deduction—while also introducing new or expanded deductions and credits that may apply depending on income, filing status, and sources of earnings. For some taxpayers, these changes could impact whether itemizing deductions makes sense, how much income is taxable, or what opportunities are available to reduce a balance due or increase a refund. Because many provisions include income thresholds, phase‑outs, or effective‑date considerations, it’s important to review how the law applies to your specific situation before filing. Read more about these changes in our post about how OBBBA may affect your personal taxes.
- Maximize you deductions and credits. Some commonly overlooked areas are: retirement contributions (IRA, SEP, Solo 401(k)), HSA contributions, education credits, Child Tax Credit and energy-efficient home improvements.
- If you’re self-employed or have side income, be sure you’re capturing legitimate business expenses — mileage, home office, software, and supplies can add up quickly.
- The IRS is phasing out paper checks and transitioning fully to electronic delivery, which includes tax refunds and payments. We cover what you need to know in this post.
Plan for the Future
- Are you planning significant changes to your business operations in the next year? Has something already happened to your business that may affect your current or future filings? Changes to your business activity may affect your estimated tax payments and tax strategies, so it’s important that you communicate these changes to your tax preparer.
- If you owed a large balance last year, received a big refund, or had significant income changes in 2025, it may be time to adjust your withholding or estimated payments.
- Also let your preparer know if your personal situation has changed or will change in 2026. If you plan to change jobs, open a new business, move, expand your family, or create a home office for your business, now is an excellent time to make your preparer aware.
- OBBBA made some major changes that will significantly impact business owners going forward. Read about the key small business tax law changes you need to know in this post.
- New automation tools are making it easier than ever to track your income and expenses and help you better manage your money. Evaluate your need for a formal accounting system or improve your current one by talking with your tax preparer. It may turn out to be more affordable than you think.
A Quick Tax Season Timeline
Here’s a simple snapshot of key annual dates:
- January–February: Start gathering documents
- April 15: Filing deadline + payment deadline
- June 15: 2nd estimated payment (if applicable)
- September 15: 3rd estimated payment
- October 15: Extended filing deadline
- January 15 (following year): Final estimated payment
Taxes aren’t just a once-a-year event — they’re part of year-round financial planning.
Plan Year Round
The biggest tax mistakes happen when people feel rushed, but meeting the April 15 tax filing deadline doesn’t have to feel overwhelming. With proper planning, organized records, and a clear understanding of your options, tax season can be far less stressful—and far more strategic.
If you’re unsure about a life change, a new income stream, or how recent tax law updates affect you, it’s worth having the conversation early rather than in mid-April when everyone feels the crunch.
With a plan in place, April 15 can simply be another date on the calendar — not a looming deadline. If you have questions about your readiness to file, are considering an extension, or want guidance before the deadline approaches, our team at Landmark CPAs is here to help. Reaching out early gives you more flexibility, more clarity, and greater peace of mind as the deadline approaches.
©2021. Updated February 2026. This article has been updated for the current tax year to reflect recent IRS guidance and filing best practices.
