California

Last Updated June 17, 2026.

California employers face some of the nation’s most detailed payroll compliance requirements, including withholding, unemployment insurance, and employment reporting. Use the resources below to connect with the EDD and other state agencies.

State Tax Guidelines

California Employment Development Department – Withholding & Unemployment Tax

Agency Information

Add to existing company setup

Submit a request to your service team to add CA (withholding) and/or CASUI (unemployment) to your company setup.  Please include the below with your request:

  • Withholding – Deposit Frequency and Account number.  This can be found on a withholding tax coupon or return.  If you’re unsure of your deposit frequency or account number, you can call the agency at 888-745-3886.
  • Unemployment – Tax rate and Account number.  This can be found on a Tax Rate Notice or the Quarterly contribution and Wage Report.  If you’re unsure of your tax rate or account number, you can call the agency at 888-745-3886.
  • Power of Attorney- POA upon request, please obtain the prefilled form from your client service representative.

Register a new company

First enroll as a New User with the EDD by visiting https://eddservices.edd.ca.gov/tap/secure/eservices/ and select Enroll for a username and password to access Employer Service Online at the bottom of the page.

Once you are enrolled, log into your account at https://eddservices.edd.ca.gov/tap/secure/eservices/.

Click Register a New Account (DE1)

Complete the registration process. During the process you will be asked:

“Are you an authorized Payroll Agent?” Please select No.

“Does this business use professional assistance for payroll reporting?” Please select Yes.

“Agency where you want your tax mailings sent?” Please enter your own company name and mailing address. This ensures that your company receives any important letters from the EDD.

The date you expect to become liable for payroll taxes, which is typically the first day you will pay wages. Please note that we will only begin filing your taxes once you run a payroll with California wages. If you choose a liable date that is prior to when you actually run your first payroll, you may be responsible for filing returns with the agency on your own in the interim.

Upon successful registration, an account number and tax rate will be immediately provided.

Power of Attorney

Power of Attorney upon request, please obtain the prefilled form from your client service representative.

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