What Idaho Law Actually Requires
You are registering a vehicle in Idaho, renewing a policy, or adding a car to an existing policy, and you need to confirm which coverages the state actually mandates. Many drivers believe collision, comprehensive, or uninsured-motorist coverage is required by law. It is not. Idaho requires only liability insurance at specific dollar limits: $25,000 per person for bodily injury, $50,000 per accident for bodily injury, and $15,000 per accident for property damage.
This article clarifies which coverages Idaho law mandates, which are optional, and how the state enforces proof of insurance. You will understand what you must carry to register and legally drive, what you can drop if you choose, and how lienholders change the equation when you finance a vehicle.
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Get Your Free QuoteIdaho Liability Minimum Limits
$25,000 / $50,000 / $15,000
Idaho Code Title 49 Chapter 12 sets the minimum liability coverage at $25,000 per person for bodily injury, $50,000 per accident for bodily injury, and $15,000 per accident for property damage. Every registered vehicle must carry at least these limits.
Idaho Code Title 49 Chapter 12
Liability Coverage Is the Only State Mandate
Idaho law requires liability insurance only. Liability coverage pays for injuries and property damage you cause to others in an at-fault accident. The state does not require collision coverage, which pays for damage to your own vehicle. It does not require comprehensive coverage, which pays for theft, vandalism, weather damage, or animal strikes. It does not require uninsured-motorist coverage, which pays your own injuries when an at-fault driver has no insurance. It does not require personal-injury-protection coverage, which pays your medical bills regardless of fault.
The liability-only mandate means you can legally register and drive a vehicle in Idaho with no coverage for your own car or your own injuries. Many drivers assume full coverage is required because a lender or lessor mandates it in the financing contract. That is a lender requirement, not a state requirement. If you own your vehicle outright with no lien, Idaho law permits you to carry liability only.
The state enforces the liability mandate through registration and random verification. When you register a vehicle, the Idaho Transportation Department verifies that the vehicle identification number appears on an active liability policy. The state also conducts random insurance verifications throughout the year. If the ITD cannot verify coverage, it suspends your registration and plates until you provide proof.
Idaho law requires liability coverage only. Collision, comprehensive, uninsured motorist, and PIP are optional unless your lender requires them.
What Liability Coverage Actually Pays
Bodily injury liability pays medical bills, lost wages, and pain-and-suffering claims for people you injure in an at-fault accident. The $25,000-per-person limit means the policy pays up to $25,000 for any one injured person. The $50,000-per-accident limit means the policy pays a combined maximum of $50,000 for all injured people in a single accident.
Property damage liability pays for damage you cause to another person's vehicle, fence, building, or other property. The $15,000 limit means the policy pays up to $15,000 per accident. Liability coverage does not pay for damage to your own vehicle in any scenario. If you want coverage for your own car, you need collision or comprehensive coverage, which are optional.
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Optional Coverages You Can Add or Drop
Collision coverage pays for damage to your own vehicle when you hit another car, a fixed object, or roll over, regardless of fault. Comprehensive coverage pays for damage to your own vehicle from theft, vandalism, fire, hail, flood, falling objects, or animal strikes. Both are optional under Idaho law. If you own your vehicle outright, you can drop both and carry liability only. If you finance or lease, your lender almost certainly requires both until the loan is paid off.
Uninsured-motorist coverage pays your own injuries when an at-fault driver has no insurance or insufficient insurance to cover your claim. Idaho does not require it, but carriers must offer it and you must sign a written rejection if you decline. Approximately 6.4 percent of Idaho drivers are uninsured, so the coverage protects you from a real risk. Personal-injury-protection coverage pays your medical bills and lost wages regardless of who caused the accident. Idaho does not require PIP and does not mandate that carriers offer it.
When you add a vehicle to an existing policy, the carrier applies the same coverage selections to the new vehicle by default. If your current policy carries collision and comprehensive, the newly added vehicle receives the same. If you carry liability only, the new vehicle receives liability only. You can change coverage selections at the time you add the vehicle or at any renewal.
Idaho Uninsured Motorist Rate
6.4%
Approximately 6.4 percent of Idaho drivers are uninsured. Uninsured-motorist coverage is optional under Idaho law, but carriers must offer it and you must sign a written rejection if you decline.
Insurance Research Council, 2023
How Lienholders Change Coverage Requirements
When you finance or lease a vehicle, the lender holds a lien on the title and requires you to carry collision and comprehensive coverage until the loan is paid off. This is a contract requirement between you and the lender, not a state law. The lender's interest is protecting the collateral. If you total the vehicle and carry only liability, the lender loses the collateral and you still owe the loan balance. Collision and comprehensive coverage ensure the lender is paid if the vehicle is damaged or stolen.
The lender typically specifies maximum deductibles in the financing contract, often $500 or $1,000. If you choose a higher deductible to lower your premium, the lender may reject the policy or require you to lower the deductible. Once you pay off the loan and the lien is released, the lender no longer has a say in your coverage. You can drop collision and comprehensive immediately and carry liability only if you choose. Many drivers keep full coverage after payoff because the vehicle still has value they want to protect, but Idaho law does not require it.
Proof of Insurance and Enforcement
Idaho requires you to carry proof of insurance in the vehicle at all times. Acceptable proof includes a paper insurance card issued by your carrier, an electronic insurance card displayed on your phone, or a digital insurance card stored in a mobile app. Law enforcement can request proof during a traffic stop. If you cannot provide proof, you face a citation and a fine, even if you have active coverage. The citation is for failure to provide proof, not for driving uninsured.
The Idaho Transportation Department verifies insurance electronically at registration and randomly throughout the year. If the ITD cannot verify coverage for a registered vehicle, it sends a notice requiring you to provide proof within a set timeframe. If you do not respond, the state suspends your registration and plates. Driving with a suspended registration is a separate violation with additional penalties.
Compare Carriers That Write Your Household
You now understand which coverages Idaho law requires and which are optional. Liability coverage at $25,000/$50,000/$15,000 is the only state mandate. Collision, comprehensive, uninsured motorist, and personal-injury-protection coverage are optional unless your lender requires them. When you add a vehicle to your policy or structure coverage across multiple cars, confirm that every vehicle meets the state minimum and that your lender's requirements are satisfied if you finance. Compare carriers that write policies for your household's vehicles and coverage needs to find the policy that fits your situation.