Upcoming Deadlines

Sat, Mar. 15th

  • 2024 1065 - Partnership Tax Return - Federal (For LA County residents automatically extended to 10/15/25)
  • 2024 1120-S - S-Corp Tax Return - Federal (For LA County residents automatically extended to 10/15/25)
  • 2024 CA Form 100S - S-Corporation Income Tax Return - California (For LA County residents automatically extended to 10/15/25)
  • 2024 CA Form 565 - Partnership Return of Income - California (For LA County residents automatically extended to 10/15/25)
  • 2024 CA Form 568 - Limited Liability Return of Income - California (For LA County residents automatically extended to 10/15/25)
  • 2024 CA Pass-through Entity Tax (PTET) - California (For LA County residents automatically extended to 10/15/25)

Tue, Apr. 1st

  • 2025 Business Personal Property Tax Payments - California (For LA County residents automatically extended to 4/10/26)

Thu, Apr. 10th

  • 2024 Property Taxes (Payment 2) - California (For LA County residents automatically extended to 4/10/26)

Tue, Apr. 15th

  • 2024 1040 - Individual Tax Return - Federal (For LA County residents automatically extended to 10/15/25)
  • 2024 1120 - Corporation Tax Return - Federa (For LA County residents automatically extended to 10/15/25)
  • 2024 CA Form 100 - Corporation Income Tax Return - California (For LA County residents automatically extended to 10/15/25)
  • 2024 HSA Contribution (For LA County residents automatically extended to 10/15/25)
  • 2024 IRA Contribution (For LA County residents automatically extended to 10/15/25)
  • 2025 CA LLC Annual Tax Payment - California (For LA County residents automatically extended to 10/15/25)
  • 2025 Q1 Estimated Tax Payment - Corporation - Federal (For LA County residents automatically extended to 10/15/25)
  • 2025 Q1 Estimated Tax Payment - Entity Tax - California (For LA County residents automatically extended to 10/15/25)
  • 2025 Q1 Estimated Tax Payment - Individual - California, Federal (For LA County residents automatically extended to 10/15/25)

Wed, Apr. 30th

  • 2025 Q1 941 - Payroll Tax Return - Federal (For LA County residents automatically extended to 10/15/25)
  • Extended Due Date for LA County - CDTFA Sales Tax Returns - California

Thu, May. 15th

  • 2024 CA Form 109 - Exempt Business Income Tax Return - California (For LA County residents automatically extended to 10/15/25)

Sun, Jun. 15th

  • 2025 CA Pass-through Entity Tax (PTET) - First Payment - California (For LA County residents automatically extended to 10/15/25)
  • 2025 Q2 Estimated Tax Payment - Corporation - Federal (For LA County residents automatically extended to 10/15/25)
  • 2025 Q2 Estimated Tax Payment - Entity Tax - California (For LA County residents automatically extended to 10/15/25)
  • 2025 Q2 Estimated Tax Payment - Individual - California, Federal (For LA County residents automatically extended to 10/15/25)

Thu, Jul. 31st

  • 2025 Q2 941 - Payroll Tax Return - Federal (For LA County residents automatically extended to 10/15/25)

Mon, Sep. 15th

  • 2025 Q3 Estimated Tax Payment - Corporation - Federal (For LA County residents automatically extended to 10/15/25)
  • 2025 Q3 Estimated Tax Payment - Entity Tax - California (For LA County residents automatically extended to 10/15/25)
  • 2025 Q3 Estimated Tax Payment - Individual - California, Federal (For LA County residents automatically extended to 10/15/25)

Wed, Oct. 15th

  • Extended Due Date for LA County - 2024 1040 - Individual Tax Return - Federal
  • Extended Due Date for LA County - 2024 1065 - Partnership Tax Return - Federal
  • Extended Due Date for LA County - 2024 1120 - Corporation Tax Return - Federal
  • Extended Due Date for LA County - 2024 1120-S - S-Corp Tax Return - Federal
  • Extended Due Date for LA County - 2024 CA Form 100 - Corporation Income Tax Return - California
  • Extended Due Date for LA County - 2024 CA Form 100S - S-Corporation Income Tax Return - California
  • Extended Due Date for LA County - 2024 CA Form 109 - Exempt Business Income Tax Return - California
  • Extended Due Date for LA County - 2024 CA Form 565 - Partnership Return of Income - California
  • Extended Due Date for LA County - 2024 CA Form 568 - Limited Liability Return of Income - California
  • Extended Due Date for LA County - 2024 CA Pass-through Entity Tax (PTET) - California
  • Extended Due Date for LA County - 2024 HSA Contribution
  • Extended Due Date for LA County - 2024 IRA Contribution (Due date extended for LA County residents only)
  • Extended Due Date for LA County - 2024 Q4 941 - Payroll Tax Return - Federal
  • Extended Due Date for LA County - 2024 Q4 Estimated Tax Payment - Individual - California, Federal
  • Extended Due Date for LA County - 2025 CA LLC Annual Tax Payment - California
  • Extended Due Date for LA County - 2025 CA Pass-through Entity Tax (PTET) - First Payment - California
  • Extended Due Date for LA County - 2025 Q1 941 - Payroll Tax Return - Federal
  • Extended Due Date for LA County - 2025 Q1 Estimated Tax Payment - Corporation - Federal
  • Extended Due Date for LA County - 2025 Q1 Estimated Tax Payment - Entity Tax - California
  • Extended Due Date for LA County - 2025 Q1 Estimated Tax Payment - Individual - California, Federal
  • Extended Due Date for LA County - 2025 Q2 941 - Payroll Tax Return - Federal
  • Extended Due Date for LA County - 2025 Q2 Estimated Tax Payment - Corporation - Federal
  • Extended Due Date for LA County - 2025 Q2 Estimated Tax Payment - Entity Tax - California
  • Extended Due Date for LA County - 2025 Q2 Estimated Tax Payment - Individual - California, Federal
  • Extended Due Date for LA County - 2025 Q3 Estimated Tax Payment - Corporation - Federal
  • Extended Due Date for LA County - 2025 Q3 Estimated Tax Payment - Entity Tax - California
  • Extended Due Date for LA County - 2025 Q3 Estimated Tax Payment - Individual - California, Federal

Fri, Oct. 31st

  • 2025 Q3 941 - Payroll Tax Return - Federal (For LA County residents automatically extended to 10/31/25)

Mon, Dec. 15th

  • 2025 Q4 Estimated Tax Payment - Corporation - Federal (For LA County residents automatically extended to 12/15/25)
  • Extended Due Date for LA County - 2025 Q4 Estimated Tax Payment - Entity Tax - California

Thu, Jan. 15th

  • 2025 Q4 Estimated Tax Payment - Individual - California, Federal

Sat, Jan. 31st

  • 2025 Q4 941 - Payroll Tax Return - Federal (For LA County residents automatically extended to 1/31/26)

Fri, Apr. 10th

  • Extended Due Date for LA County - 2024 Property Taxes (Payment 2) - California
  • Extended Due Date for LA County - 2025 Business Personal Property Tax Payments - California