If another driver caused your crash, you may be able to seek payment directly from that driver’s auto insurer instead of using your own collision coverage. This is commonly called a third party insurance claim. You notify the at-fault driver’s insurer, provide evidence of the loss, and ask the company to pay covered damages.
Filing a claim with the other driver’s insurance can help you avoid paying your own collision deductible up front, but it may take longer while the insurer confirms what happened. State laws differ, especially for injury claims and no-fault rules, so this is a general U.S. guide.
Collect the information the insurer will need
Get the other driver’s name, contact information, insurance company, policy information if available, vehicle details, and license plate number. Take photos of both vehicles, the road, traffic signs, debris, and any visible injuries. If police respond, keep the report number and find out how to obtain the report. Witness names and contact details can also matter when fault is disputed.
Save towing invoices, repair estimates, rental receipts, medical bills, wage-loss records, and copies of messages with adjusters. For related reading on your site, guidance on what to do after a car accident would fit naturally here.
Report the claim to the at-fault driver’s insurer
Contact the insurer shown on the other driver’s proof-of-insurance card and tell the claims department you want to open a liability claim. You will usually be asked for the insured driver’s name, policy number if known, crash date and location, your contact details, and a description of what happened. Ask for the claim number and the adjuster’s contact information.
You should also notify your own insurer promptly. Your policy may require notice of an accident, and your own coverage can become important if the other driver is uninsured, underinsured, disputes fault, or has insufficient limits.
Understand the liability claim process
Opening a claim does not mean the other insurer has accepted responsibility. The adjuster may confirm that the policy was active, speak with the insured driver, review the police report and photos, consider witness information, and decide whether its driver was responsible. Fault may also be shared, with consequences that vary by state.
The insurer may ask you for a statement. Give accurate information and avoid guessing. If the request is for a recorded statement, especially when injuries are significant or fault is disputed, ask why it is needed and consider legal advice before agreeing.
Document the vehicle damage carefully
The adjuster may arrange an inspection, request photos, or send an appraiser to estimate repair costs. You can also obtain an estimate from a repair shop. If hidden damage appears after repairs begin, the shop can document it for the adjuster to review.
When the car is repairable, the property-damage claim may include reasonable repair costs and, depending on state rules and circumstances, related loss-of-use expenses such as a rental vehicle. If the car is declared a total loss, review the insurer’s valuation for the correct trim, mileage, condition, options, and comparable vehicles before accepting it.
Keep injury claims separate from vehicle repairs
Property damage and bodily injury often move on different timelines. A vehicle estimate may be resolved quickly, while an injury claim can take longer because treatment, recovery, lost income, and future effects may not be clear immediately. Medical bills may also be handled through other coverage first, depending on state law.
Be cautious about signing a broad release before you understand what it covers. A final bodily-injury settlement commonly requires you to release the at-fault party from further claims arising from the accident. If injuries are serious, symptoms continue, or liability is contested, legal advice can be useful before settlement.
Review the settlement against your documented losses
Do not judge an offer only by the headline number. For vehicle damage, check repair estimates, towing, storage, and reasonable transportation costs. For an injury claim, compare the offer with documented medical expenses, lost income, and other losses recoverable under your state’s rules.
For example, suppose another driver rear-ends you at a traffic light and the at-fault driver’s insurer accepts liability. Your repair shop estimates $4,200, but the insurer’s first estimate is $3,450 because it misses damage behind the bumper. Ask the shop to send photos and a supplemental estimate identifying the hidden damage. Specific documentation gives the adjuster something concrete to review.
If you disagree with a decision, ask for the insurer’s reasoning in writing and provide evidence supporting your position. Related internal topics could include how car insurance deductibles work and uninsured and underinsured motorist coverage.
What if the insurer delays or denies the claim?
Delays can occur when the insured driver has not responded, coverage is unclear, the facts conflict, or documentation is missing. Ask what information is outstanding and when the next review is expected.
If the insurer denies liability, ask for the basis of the decision. Depending on your policy and state law, you may still have options through your own collision or uninsured/underinsured coverage. If your insurer pays under collision coverage, it may later pursue the responsible party through subrogation and may recover some or all of your deductible if collection succeeds.
Frequently asked questions
Do I pay a deductible on a third-party claim?
A third-party liability claim generally does not apply your own collision deductible because the claim is not being paid under your collision coverage. If you use your own collision coverage instead, your deductible may apply initially.
How long does a third party insurance claim take?
There is no nationwide timeline. Straightforward property-damage claims may move relatively quickly once coverage and liability are confirmed, while disputed-fault or injury claims can take much longer. State claim-handling deadlines vary.
Can the other driver’s insurer refuse to pay?
Yes. It may deny or reduce a claim if it disputes fault, finds no applicable coverage, believes damages are unsupported, or applies state rules on shared responsibility. Ask for a written explanation if you disagree.
Should I file with my own insurer instead?
Using your own collision coverage can sometimes be faster when liability is disputed or the other insurer is slow. The tradeoff is that you may have to pay your deductible first while your insurer decides whether to seek reimbursement.
Keep the claim evidence-driven
The best way to handle filing a claim with the other driver’s insurance is to treat it as a documented liability case. Report the loss promptly, preserve evidence, track expenses, understand that the insurer must investigate its driver’s responsibility, and compare any settlement with your actual losses. When state-specific rules, serious injuries, or disputed fault complicate the claim, your state insurance department or a qualified attorney can help you understand the options available where you live.