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How to Renew a CNA Certificate in California

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California Certified Nursing Assistants must renew their certifications every two years. After completion of continued education units and submission of the appropriate paperwork, certification will be renewed. For those with California CNA certification that has expired in the past two years, they can complete an application for renewal. If the expiration is beyond two years, the California CNA must complete a 75-hour training and evaluation program approved by the state. Those with revoked certificates cannot renew.

Find an approved training program for continued education. The California Department of Public Health’s Licensing and Certification Division can provide a list of approved training programs, including classroom and online education. You can also call or email the Aide and Technician Certification Section, CAN/HHA/CHT Certification unit at 916 327-2445 or write for more information about CNA renewal requirements.

Complete the required 48 hours of in-service training over a two-year period. You can complete some of the training in a classroom or lecture setting and the rest online at your leisure. Twenty-four of the 48 hours can be completed through an approved online training program. Obtain the certification of course completion upon finishing each in-service.

Complete the Certified Nurse Assistant In-Service Training/Continuing Education form. Send the form to the California Department of Public Health’s Training Program Review Unit at PO Box 997416, MS-3301, Sacramento, CA 95899-7416.

Receive renewed certification from the California Department of Public Health after your renewal has processed. You will also be listed in the Licensing and Certification Verification Search Page on the CDPH website.


Francine Richards is a licensed multi-state insurance agent with years of human resources and insurance industry experience. Her work has appeared on Blue Cross Blue Shield websites and newsletters, the Houston Chronicle and The Nest. Richards holds a Bachelor of Arts in communications from the University of Maryland.

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