The other driver runs a red light on Winchester Road, you exchange information, and the insurance line on the form is blank. Or the card they hand you expired eight months ago. Attorney Dustin hears this story constantly from drivers in Temecula, Murrieta, Menifee, and Hemet, and the reaction is almost always the same: people assume the case is over because the person who hit them has nothing. That assumption costs Riverside County residents real money every year. The claim usually still exists. It has simply moved, and the party on the other side of it is now your own insurance company.
The Insurance Research Council has estimated that roughly one in six California drivers carries no liability insurance at all, one of the higher rates in the country. Plenty more carry the bare state minimum, which is not enough to cover a single ambulance ride and an MRI.
What is uninsured motorist coverage, and do I already have it?
Uninsured motorist bodily injury coverage, listed on your declarations page as UM, UMBI, or UM/UIM, is the portion of your own auto policy that pays for your injuries when the at-fault driver has no insurance. Under California Insurance Code section 11580.2, every company selling auto liability insurance in this state must offer it to you. You only go without it if you signed a written rejection. That means a large number of people who tell me they do not have this coverage actually do, and have been paying for it for years.
Pull the declarations page rather than the glossy summary the agent emailed you. You are looking for a two-number limit such as 30/60 or 100/300. The first number is the maximum per injured person, the second is the maximum for everyone hurt in that one crash.
What does underinsured motorist coverage actually pay in California?
Underinsured motorist coverage in California pays the difference between what the at-fault driver’s policy covers and your own UIM limit, not a separate second pot of money. This surprises almost everyone. If your UIM limit is $100,000 and the driver who hit you carries a $30,000 policy that pays in full, your remaining UIM exposure is $70,000, not $100,000. And if your UIM limit is the same as or lower than theirs, the coverage pays nothing no matter how badly you were hurt.
The math got slightly better recently. Senate Bill 1107, the Protect California Drivers Act, raised California’s minimum liability limits on January 1, 2025 from the old 15/30/5 to $30,000 per person, $60,000 per accident, and $15,000 in property damage. Those minimums are scheduled to rise again to 50/100/25 on January 1, 2035. Anyone still carrying UIM limits set back when the floor was $15,000 should look hard at whether that number still protects them.
Why does my own insurance company fight a claim I paid premiums for?
Because the moment you file a UM claim, your insurer’s financial interest flips. Every dollar it pays you comes out of its own reserves, and there is no third party to bill. Your carrier still owes you a duty of good faith and fair dealing, but in practice you should expect a recorded statement request, a broad medical authorization, an independent medical examination scheduled with a doctor the company selects, and a valuation that leans on software rather than on your treating physician.
There is another structural difference worth understanding. A claim against a negligent driver is a tort case that ends up in front of a Riverside County jury if it does not settle. A UM claim is a contract claim, and most California auto policies route disputed UM claims into binding arbitration before a single arbitrator instead. The evidence rules, the timeline, and the leverage all shift.
The two-year deadline that is not the one you have heard about
California’s general personal injury statute of limitations is two years under Code of Civil Procedure section 335.1, and most people have heard that number. Insurance Code section 11580.2(i) imposes a separate two-year requirement on UM claims, and it is satisfied differently. Within two years of the date of the accident, you must either file suit against the uninsured driver, reach a written agreement to arbitrate with your insurer, or make a formal written demand for arbitration. Friendly settlement talks with an adjuster do not stop that clock. Claims that were being actively negotiated have died on this provision.
What if the driver took off and was never identified?
A hit-and-run can qualify as an uninsured motorist claim in California, but the statute adds conditions. There generally must be actual physical contact between the phantom vehicle and you or your car, so a driver who forced you into the center divider on the 15 without touching you creates a much harder claim. You also need to report the accident to police or the California Highway Patrol within 24 hours and file a sworn statement with your insurer within 30 days. Miss either window and the carrier will use it.
Before you speak with any adjuster, including your own, it is worth having someone read the policy language first and tell you what the coverage is really worth. Attorney Dustin handles uninsured and underinsured motorist claims throughout Riverside County and can review your declarations page and your deadlines at no cost. Bring the policy, the traffic collision report, and anything you have received in writing from the insurer, and get a straight answer about what you are owed before you say anything on tape.
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