Upcoming 2026 Tax Events You Can’t Miss — Key Deadlines & Planning Tips

As 2026 approaches, it's more important than ever to understand the key IRS deadlines and tax-planning milestones. At Echeverri Taxes & Bookkeeping, we help individuals, small business owners, self-employed professionals, and ITIN holders stay ahead of the curve — so you're ready, organized, and never caught off guard.

Here’s a breakdown of the most important 2026 tax events, why they matter, and how to prepare.

If you can’t file by April 15, you can request a six-month extension using Form 4868. 

• Need more time to gather income documents (e.g., 1099s, ITIN paperwork, business statements)
• Waiting on business account reconciliation or bookkeeping
• Avoid rushed or inaccurate filings
  

If you’re part of a partnership or S Corporation (calendar year), your business tax return (Form 1065 or 1120-S) is due by March 16, 2026. Tax Services Support

We assist small business owners, LLCs, and corporate taxpayers to make sure all K-1s, schedules, and business deductions are handled correctly.

Mid-year is the perfect time to review your 2026 tax situation:

• Revisit your income projections and estimated tax payments
• Adjust your quarterly payments if your income has changed
• Plan for deductions, retirement contributions, and business expenses
• For ITIN holders: review family credits (e.g., child tax credit)

At Echeverri Taxes, we offer tax planning services designed to keep you proactive — not reactive. Minimizing your tax liability is as much about smart planning as it is about filing.

While not common for all taxpayers, the IRS sometimes grants deadline extensions due to natural disasters. For example, certain IRS deadlines were postponed for affected areas in 2025 to May 1, 2026. IRS
If you or your business were impacted by a disaster, we can help evaluate whether you qualify for these special rules and file accordingly.

• ITIN Families — Understanding deadlines helps you claim credits and avoid delays in refund processing.
• Self-Employed / 1099 Earners — Paying estimated taxes correctly can save thousands in penalties.
• Small Business Owners — Meeting key deadlines protects your business from fines, ensures healthy cash flow, and lets you invest in growth.
• Truckers & Logistics Entrepreneurs — With fluctuating income, proper planning for quarterly payments is crucial.

1. Deadline reminders — We’ll help you track all critical dates so you don’t miss anything.

2. Estimated tax guidance — Calculate and pay your quarterly taxes correctly.

3. Extension filings — File Form 4868 (or business equivalents) when needed.

4. Tax planning — Optimize your deductions, retirement contributions, and business structure.

5. Problem resolution — We assist with IRS letters, penalty relief, and audits.

6. Bilingual support — We specialize in serving Latino communities and ITIN holders with clear, trustworthy guidance in both English and Spanish.

Staying on top of 2026 tax events is one of the best ways to save money, avoid penalties, and make confident financial decisions. The right support matters — and with Echeverri Taxes & Bookkeeping, you’re not just filing on time: you’re planning smart, saving more, and building financial security.

Ready to get started? Contact us today for a 2026 tax planning meeting or to set up a payment schedule for your estimated taxes.