January 2026 Tax Deadlines Every Business Must Know

Start 2026 on the right foot by staying compliant with key IRS tax deadlines. Missing deadlines can result in penalties, interest, and unnecessary stress. At My CPA Texas, we help businesses across the USA stay compliant and avoid costly mistakes.

January 15, 2026 – Payroll Tax Deposit Deadline

Businesses following a monthly payroll schedule must deposit December 2025 employment taxes by January 15, 2026. This includes:

Social Security taxes

Medicare taxes

Federal income tax withholding

Nonpayroll withholding (if applicable)

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Important Note

Payroll taxes must be deposited electronically via EFTPS unless your liability is under $2,500.

January 15, 2026 – Estimated Tax Deadline (Farmers & Fishermen)

You must either:

Pay estimated tax using Form 1040-ES

OR file your return by April 15, 2026

⚠️ Important

If you miss the January 15 payment, you must file your return and pay taxes by March 2, 2026 to avoid penalties.

What Happens If Deadline Falls on Holiday?

If a deadline falls on a weekend or federal holiday, it automatically moves to the next business day.

IRS Disaster Relief Extensions

Businesses in disaster areas may qualify for deadline extensions.

👉 FEMA: https://www.fema.gov/disaster/declarations 👉 IRS Relief: https://www.irs.gov/newsroom/tax-relief-in-disaster-situations

Stay Ahead of Tax Deadlines

Missing deadlines can lead to penalties and cash flow issues. With professional CPA support, you can ensure timely filing and better tax planning.

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