A HazMat endorsement is valid for: Do you currently have car insurance? Insurance is mandatory to drive in Virginia Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question A HazMat endorsement is valid for: Answers One year. Two years. Five years. Eight years. Explanation While a regular CDL is valid for eight years, a HazMat endorsement is valid for only five years after the date the DMV receives notification that your background test has been passed. This questions appears in the following tests: New York HazMat