First-Party vs Third-Party Total Loss: Which Is Better?
Filing against your own insurance vs. the at-fault driver's insurance changes your rights, your timeline, and your leverage. Here's how to decide.
Published April 28, 2026
Bottom line
First-party claims (your own policy) give you the appraisal clause and fiduciary duties of good faith — but you pay the deductible. Third-party claims (at-fault driver's insurance) skip the deductible but skip the appraisal clause too. When in doubt, go first-party and let your insurer pursue subrogation.
What's the difference?
A First-Party Claim is filed against YOUR insurance policy under collision or comprehensive coverage. A Third-Party Claim is filed against the at-fault driver's liability policy.
Pros and cons of first-party
Pros: Your insurer owes you a contractual duty of good faith. You have access to the appraisal clause. The process is generally faster.
Cons: You pay the deductible (recovered later via subrogation if successful). Your insurance rates may go up (less common in not-at-fault cases, but verify).
Pros and cons of third-party
Pros: No deductible. No effect on your insurance rates.
Cons: No appraisal clause (it's not your policy). The third-party insurer's only duty is to its policyholder — not to you. Process is often slower.
When to switch from third-party to first-party
If the at-fault carrier is being unreasonable, switch. Pay the deductible, file under your own policy, and let your insurer recover from the at-fault carrier via subrogation. You'll often end up with a better outcome and a faster process.
Frequently asked questions
Will switching to first-party hurt my rates?▼
Can I file both at the same time?▼
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