Should Our 18 Year Old Son Have His Own Car Insurance Policy? 
Not necessarily , all due respect to your CPA . If your son has a car that is titled to him and he wants to register the car to use on your state 's public access roads and highways , then it is highly likel ; y that the atete will require that he have his own insurance . The question about the amount of coverage he may need , or should have , certainly can in some fashion be based upon the extent of his assets , but I recommend to my clients that it is important to keep in mind that their child is still residing in their home and is more than likely still being claimed as a dependent . Depending upon the laws in your state , it may be that even with his own car , registered and insured in his name , should he cause a serious accident that results in a law suit , the coverage provided in his policy may not be enough to absorb the settlement . In that case , you may be included in the action . Remember a key point here , insurance only provides coverage , it does not limit liability . You may want to include your attorney and your Insurance Professional in this discussion in order to be sure you are receiving the most complete advice . 