Our Contra Costa County personal injury lawyers can assist you in making your claim and quickly finding out just how much insurance the other side has. What to do if You are in a Car Accident with an Uninsured Motorist in Northern California.Call our office now. The process of filing a UM claim is the same as filing an insurance claim against the other driver. As an uninsured injured driver you are only entitled to recover economic damages such as medical bills, lost wages, and vehicle repair. If you have medical payments or an uninsured motorist claim, you must provide documentation of your loss (injuries, medical expenses, lost wages, etc.). Please fill out the form below, attach the following items, and return to the school office: Copy of your INSURANCE DECLARATION. (Contra Costa County Super. MSC17019). I was rear-ended on the 55 Freeway in Costa Mesa a few years ago. Both coverages are mandatory in many states and highly recommended for all drivers.