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Gabbay Zorrilla & Associates

If any due date falls on a Saturday, Sunday, or legal holiday, the due date is the next business day. Call or e-mail our office for more information or for assistance with any required tax filings.

January

15

Due date for the fourth installment of 2025 estimated tax.

January

31

Employers must file 2025 federal unemployment tax (FUTA) returns and pay any tax due.

January

31

Employers must file 2025 federal unemployment tax (FUTA) returns and pay any tax due.

February

28

Businesses must file information returns (such as 1099s) with IRS; employers must send W-2 copies to Social Security Administration.

March 

15

Partnership & S-Corp information returns are due,, unless an automatic extension is filed.

April 

15

 2025 annual gift tax returns are due.

April 

15

2025 calendar-year corporation income tax returns due, unless an automatic extension is filed.

April 

15

Individual income tax returns for calendar year 2025 are due unless an automatic extension is filed.

April 

15

Deadline for making 2025 IRA contribution.

April 

15

First installment of 2026 individual estimated tax is due.

June

15

Second installment of 2026 individual estimated tax is due.

September

15

Third installment of 2026 individual estimated tax is due.

September

15

Deadline for filing 2025 business tax return.

October

15

2026 Deadline for filing individual tax return.

January, 2027

15

Fourth installment of 2026 individual estimated tax is due.

2026 tax deadlines

Keeping track of filing and payment deadlines is critical to avoiding penalties and maintaining compliance. We provide an updated calendar of key federal and state tax due dates for individuals and businesses so you can plan ahead with confidence.

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If you’re unsure which deadlines apply to you, we encourage you to contact our office for personalized guidance.

stay informed. Stay prepared. stay ahead.

Resources

Our Resources page is designed to provide helpful tools and timely information to support your financial and business decisions. From important tax deadlines to industry insights and downloadable forms, you’ll find the materials you need in one convenient place.

Downloadable Guides & Forms

Access helpful documents and resources in one convenient place. All files are provided in PDF format for easy downloading and printing.

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A password is required to view the documents. If you have not received your access password, please contact us, and we’ll be happy to provide it. If you need assistance completing any forms, our team is always here to help.

2026 Personal Tax Package

2026 Business Engagement Letter

2026 Personal Engagement Letter

Payment Policy

2025 Tax Organizer for Individuals

2025 Tax Questionnaire for Individuals

ACH Authorization Form

ACH Banking Authorization

Tax Document Request Checklist

Tax Return Processing Procedure

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