The minimum age a CDL applicant may be is: Do you currently have commercial insurance? Commercial Insurance is mandatory for CDL drivers in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question The minimum age a CDL applicant may be is: Answers 15 years old. 18 years old. 22 years old. 25 years old. Explanation You must be at least 18 years old and have at least two years of licensed driving experience to qualify for a CDL. If you are under the age of 21, you may drive only within the state of West Virginia.