Applicants must be at least ____ to obtain a CDL. Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Applicants must be at least ____ to obtain a CDL. Answers 15 years old 18 years old 21 years old 25 years old Explanation In Georgia, you must be at least 21 years old to qualify for a commercial driver license.