Quarterly Estimated Tax Deadlines (Individuals & Self-Employed)

 

Q1: April 15

Q2: June 15

Q3: September 15, 2025

Q4: January 15 (Following year)

 

Individual Tax Return Deadlines

 

April 15, 2025: Form 1040

October 15, 2025: Extended deadline

 

Business & Corporation Tax Deadlines

 

March 15, 2025:

• S-Corporation (Form 1120-S)

• Partnership (Form 1065)

 

April 15, 2025:

• C-Corporation (Form 1120)

 

September 15, 2025: Extended deadline for S-Corps & Partnerships

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October 15, 2025: Extended deadline for C-Corporations

 

Payroll & Employer Taxes

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January 31 : W-2s and 1099-NEC due to employees/contractors

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Quarterly 2025 Payroll Taxes:

Q1: April 30

Q2: July 31

Q3: October 31

Q4: January 31