January 16
- Fourth quarter (2023) estimated tax payment due
March 15
- Federal tax filing deadline for S corporations
April 15
- Federal tax filing deadline for C corporations
- First quarter estimated tax payment due
- Federal income tax return filing and payment deadline for:
- Individuals
- Partnerships
- Sole Proprietorships
June 17
- Second quarter estimated tax payment due
September 16
- Third quarter estimated tax payment due
October 15
- Federal tax filing deadline for individuals who filed an extension
January 15, 2025
- Fourth quarter estimated tax payment due
