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California Payroll Tax Filing Requirements

TaxZerone helps you understand California’s payroll tax filing requirements. Learn about the employer’s key forms and due dates to ensure your business remains in good standing with the California Employment Development Department (EDD).

California State Tax Filings

Employers in California are required to file payroll tax reports. Below are the essential key forms, their purposes, and due dates to help you stay compliant.

Employer Payroll tax forms:

Form DE 34

Report of New Employee(s)

All employers who hire or rehire employees in California

Within 20 days of the employee’s hire or rehire date.

20 Days

Information return:

California Unemployment Tax (SUI)

In California, employers must pay UI taxes administered by the Employment Development Department (EDD) to fund employee benefits programs.

California UI Tax Rates (2025)
Taxable Wage Base$7000
Experienced employer rates1.5% to 6.2%
New employer rate 3.4%

UI Tax Form and Due Dates

Form NameDue DateDelinquent Due Date*
Form DE 9/ DE 9CQ1: April 1
Q2: July 1
Q3: October 1
Q4: January 1
Q1: April 30
Q2: July 31
Q3: October 31
Q4: January 31
How TaxZerone Can Help You?

How does TaxZerone help you file?

TaxZerone makes payroll tax filing simple by supporting federal forms and providing guidance for state-specific filings like California DE 9/9C, and DE 34 to remain compliant with the state rules.

Frequently Asked Questions

1. What are the details required to file DE 9 and DE 9C?

The details required to file Form DE 9 and DE 9C:
  • Employer Payroll Tax Account Number
  • Reporting quarter
  • Total subject wages
  • UI contributions
  • Employee wage and SSN details

2. What are the penalties for late filing or payment?

The penalties are as follows:
  • Late Filing Penalty: $50 or 15% of the amount due (whichever is greater).
  • Late Payment Penalty: 15% of unpaid contributions.
  • Interest: Accrues daily on unpaid balances.

3. Can I amend a previously filed return?

Yes, you can correct previously filed California state forms directly through EDD e-Services for Business.