How to Get Your CNA Certification in California (CA): 2026 Guide

If you want to work as a Certified Nurse Assistant in California, you'll need to complete a state-approved training program and pass the state's competency exam through one of two approved vendors: Credentia or D&SDT-Headmaster. California is one of the few states with multiple approved testing vendors, so you have flexibility in how and where you test. This guide walks you through everything — from the 160-hour training requirement to the Live Scan background check, from test-day logistics to your first renewal cycle — so you can move from application to working bedside without surprises.

California CNA at a glance

• State agency: California Department of Public Health (CDPH), Healthcare Professional Certification and Training Section (HPCTS)
• Registry name: California Nursing Assistant Registry
• Approved vendors: Credentia (NNAAP) and D&SDT-Headmaster
• Training hours: 160 total (60 theory / 100 clinical)
• Exam content: 70-question written (or oral) + 5-skill clinical evaluation (NNAAP standard)
• Application fee: Contact the California registry for the most current fee
• Testing fee: Contact Credentia or D&SDT-Headmaster for current rates
• Background check: Live Scan DOJ fingerprinting required before clinical placement
• Renewal cycle: Every 2 years, with 48 hours of in-service continuing education

Who oversees CNA certification in California

CNA certification in California is administered by the California Department of Public Health (CDPH), Healthcare Professional Certification and Training Section (HPCTS). The CDPH maintains the official California Nursing Assistant Registry, where you can verify your listing, update your address, and check renewal status once you're certified. HPCTS also approves the training programs that feed into the registry, so any program you enroll in should be on their approved list before you sign up.

Training programs in California

California requires 160 hours of training before you're eligible to test — 60 hours of classroom theory and 100 hours of supervised clinical practice. Programs are offered at community colleges, adult education centers, nursing facilities, and private career schools across the state, with a wide range of tuition costs depending on the provider. Most students complete the program in 6 to 12 weeks of full-time study, though part-time and evening options exist for working adults. Look for programs explicitly approved by CDPH — your training certificate must come from an approved provider or you won't be eligible to sit for the exam. For a refresher on what your training should cover, see our study guides.

The CNA exam in California: Credentia and D&SDT-Headmaster details

California is unusual in that it recognizes two approved testing vendors: Credentia (which administers the NNAAP — National Nurse Aide Assessment Program) and D&SDT-Headmaster. Either vendor's exam will qualify you for the same California registry certification, so you're free to choose based on scheduling convenience and location. The NNAAP structure through Credentia includes a 70-question written (or oral) knowledge test plus a 5-skill clinical evaluation where you perform randomly selected hands-on skills on a live actor or mannequin. D&SDT-Headmaster follows a comparable structure. You can register directly through each vendor's website, and lead times vary by location — popular urban sites may have openings within a week or two, while rural sites may require more advance planning.

How much does the California CNA exam cost?

Specific dollar amounts for the California CNA exam fluctuate, so always confirm current pricing with your chosen vendor before registering. In general, expect to pay separately for:

• State application / registry processing fee — paid to CDPH or your training program
• Vendor testing fee — paid to Credentia or D&SDT-Headmaster, covering both written and clinical portions
• Retest fees — if you fail a portion and need to re-attempt it
• Live Scan background check — fingerprinting through the California DOJ, typically required before clinical placement
• BLS / CPR certification — only if your program requires a separate card beyond what's built in

Typical total out-of-pocket cost for the exam process in California lands in a broad range depending on vendor and retake needs. For exact current rates, check the CDPH CNA page and your chosen vendor's fee schedule.

Where to take the test in California

California has testing sites spread across the state, with the highest density in Southern California and the Bay Area. Call the registry or your vendor to confirm exact site locations and current cadence before booking.

• Los Angeles area: Multiple test sites run multiple times weekly, giving you the most scheduling flexibility in the state. Both Credentia and D&SDT-Headmaster maintain active locations here.
• San Diego: Testing runs multiple times monthly at established sites, with consistent availability for both vendors.
• San Francisco / Bay Area: Multiple times monthly across Oakland, San Jose, and surrounding cities. Call the registry to confirm the nearest current site.
• Sacramento: Sites run roughly monthly — book early if you're targeting a specific date.
• Fresno / Bakersfield: Testing runs periodically in the Central Valley. Call the registry to confirm cadence and book well in advance.

If you live outside these metro areas, your closest option may be a longer drive. Rural and far-northern California candidates should plan for travel or check whether their training program offers on-site testing.

Scheduling and what to bring on test day

You can typically schedule your written and skills portions close together at the same site, though many California candidates take them on separate visits depending on site availability. On test day, bring a valid government-issued photo ID (driver's license, state ID, or passport), your training completion certificate, and any confirmation numbers or authorization letters from your training program or vendor. Wear scrubs or comfortable clinical-appropriate clothing — flat, closed-toe shoes are required for the skills portion. Arrive 15 to 30 minutes early to allow for check-in, ID verification, and skills station assignment. Skills are graded in real time by a Nurse Aide Evaluator, so make sure you know your assigned skills cold — there's no second-guessing mid-evaluation.

After you pass: California certification and renewal

Once you pass both exam portions, your certification is added to the California Nursing Assistant Registry. You can verify your listing on the CDPH registry lookup tool within a few weeks of passing. Renewal happens every two years and requires 48 hours of in-service continuing education — meaning paid on-the-job training provided by your employer. If you don't work the required hours during a renewal period, your certification may lapse and you'll need to re-test. Keep your address current with CDPH so renewal notices reach you, and track your in-service CE hours through your employer's training records.

Common pitfalls specific to California

• Two-vendor confusion: With both Credentia and D&SDT-Headmaster approved, candidates sometimes register with one and then need to switch — confirm your vendor choice before paying testing fees.
• 24-month completion window: You must pass both exam portions within 24 months of completing your training, or you'll have to retrain. Don't let scheduling slip for months.
• Live Scan timing: Your DOJ Live Scan fingerprinting must clear before clinical placement, so start it early — processing can take several weeks.
• 48-hour in-service requirement: California's renewal requires employer-provided CE hours, not just any online course. Track your employer's training records carefully.
• Address updates: CDPH doesn't automatically forward renewal notices. If you move and don't update your address, you can miss your renewal window and lapse.

FAQ

How long does it take to become a CNA in California? Most students complete a 160-hour training program in 6 to 12 weeks of full-time study, then schedule and pass the state exam within a few weeks of finishing. Realistically, plan on 2 to 4 months from start to certified, assuming you pass on the first attempt.

How much does the test cost in California? California's testing fees fluctuate by vendor and program. Contact Credentia or D&SDT-Headmaster directly for current pricing, and budget separately for the Live Scan background check and any retake fees. Exact dollar amounts aren't published in a single fixed schedule.

Can I challenge the California CNA exam without training? No — California requires completion of an approved 160-hour training program before you're eligible to sit for the state exam. There's no formal challenge or equivalency pathway that bypasses the training requirement.

What's the difference between Credentia and D&SDT-Headmaster in California? Both vendors administer state-approved competency exams that lead to the same California registry certification. Choose based on which vendor has more convenient test sites and dates near you — the credential you earn is identical either way.

Practice questions for the California CNA exam are at /exam and clinical-skills walkthroughs are at /skills.