Getting a Commercial Driver's License in California is a multi-step process that runs through the DMV, not a single test. Here's the real sequence, sourced directly from the California DMV's own published CDL requirements.
Before you start: what you need
You'll need a standard California Class C driver's license first -- a CDL is an upgrade, not a separate starting point. You must be at least 18 years old to drive intrastate (within California only), or 21 if you plan to drive interstate or haul hazardous materials. You'll also need to pass a DOT medical exam and submit the resulting Medical Examiner's Certificate (MEC) and report (MER) to the DMV.
Step 1: Get your Commercial Learner's Permit (CLP)
Before you can test on the road, you need a CLP. At the DMV you'll submit your medical documents, verify your identity, pay the application fee, and pass the required knowledge test(s) -- you get three attempts to pass each one. Your CLP is valid for up to 180 days, and can be renewed once for another 180 days (as long as that's within a year of your original application).
Step 2: Complete Entry-Level Driver Training (ELDT)
This is a federal requirement, not just a California one -- anyone getting a CDL for the first time (or upgrading/adding certain endorsements) has to complete training through an FMCSA-registered ELDT provider before they're eligible for the skills test.
Step 3: Hold your permit for at least 14 days
California requires a minimum 14-day waiting period between getting your CLP and taking the skills test -- it's not something you can skip even if you feel ready sooner.
Step 4: Pass the CDL skills test
Once the 14 days have passed and your ELDT is complete, schedule your skills test appointment (in the actual class of vehicle you're getting licensed for). The test has three parts: a vehicle inspection, a basic control skills test, and a road test.
Step 5: Receive your CDL
Pass all three parts and the DMV mails your CDL to you directly.
What about the fees?
The DMV charges a nonrefundable application fee, and your medical exam is a separate cost paid to the certified examiner -- both vary and change over time, so rather than print a number here that could go stale, check the DMV's own fee calculator for the current amount before you apply.
Ready for the knowledge test?
The knowledge test is the one part of this whole process you can genuinely study for in advance. See our CDL requirements by state guide for how California compares, or head straight to California CDL practice questions to start studying the real exam format -- including our California CDL practice test & cheat sheet for the exact question count and passing score.