California Tax Service Center

Payroll Tax

Important Dates

  • December 15, 2017 – Monthly state and federal payroll deposits due.
  • January 1, 2018 –  Quarterly payroll tax payments, and contribution return and report of wages reports due
  • January 16, 2018 – Monthly state and federal payroll deposits due.

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Small Business Assistance Center

The Small Business Assistance Center provides links to agencies and organizations that will help you start, run, and close your business.