How California’s Comparative Negligence Law Affects Car Accident Claims

After a car accident, one of the biggest questions is often who was at fault. In some crashes, the answer is straightforward. In others, multiple drivers may share responsibility. California law recognizes this reality through a legal rule known as comparative negligence.
California’s comparative negligence system can significantly affect how much compensation an injured person is able to recover after a car accident. Understanding how the law works is important for anyone pursuing an injury claim in Sacramento, the Bay Area, or anywhere else in California.
What Is Comparative Negligence?
California follows what is known as a “pure comparative negligence” system. This means more than one person can share fault for the same accident. Under this rule, an injured person may still recover compensation even if they were partially responsible for the crash. However, their compensation is reduced based on their percentage of fault. For example, if a driver is awarded $100,000 in damages but is found to be 20% responsible for the accident, their recovery would be reduced to $80,000. This system is different from some states that prevent recovery entirely if the injured person is found partially at fault.
How Fault Is Determined After a Car Accident
Determining fault often involves reviewing evidence from the accident scene and statements from the parties involved. Insurance companies, attorneys, and investigators may all play a role in evaluating liability.
Important evidence may include:
- Police reports
- Witness statements
- Traffic camera or dashcam footage
- Vehicle damage
- Skid marks and road conditions
- Cell phone records in distracted driving cases
In some situations, fault may be heavily disputed, especially when drivers give conflicting accounts of what happened.
Common Examples of Shared Fault
Comparative negligence frequently applies in accidents where both drivers may have contributed to the crash in some way.
For example:
- One driver may have been speeding while another made an unsafe lane change
- A distracted driver may hit someone who stopped suddenly without signaling
- A driver may have failed to yield while the other was driving above the speed limit
Even if another driver was primarily responsible, partial fault can still affect the amount of compensation available.
Insurance Companies Often Use Comparative Negligence to Reduce Payouts
Insurance companies frequently look for ways to shift blame after an accident. By arguing that an injured driver was partially responsible, insurers may attempt to reduce the amount they have to pay.
For example, an insurance adjuster may claim the injured driver:
- Was distracted
- Was driving too fast for conditions
- Failed to react quickly enough
- Was not paying proper attention
Because fault percentages directly impact compensation, these disputes can become one of the most important parts of a car accident claim.
How Comparative Negligence Affects Compensation
California’s comparative negligence law applies to both economic and non-economic damages.
This may include compensation for:
- Medical expenses
- Lost wages
- Property damage
- Future medical care
- Pain and suffering
If an injured person is found partially responsible for the crash, their total recovery is reduced according to their percentage of fault. For example, if someone is found 30% responsible, they may recover 70% of their total damages.
Why Evidence Matters in Comparative Negligence Cases
Strong evidence can make a major difference when fault is disputed. The more documentation available, the easier it may be to challenge unfair claims made by insurance companies.
Photographs, witness information, medical records, and video footage can all help establish what happened and who was responsible. In more serious accidents, investigators may also review crash reconstruction evidence or electronic vehicle data. Preserving evidence early is often critical because details can disappear quickly after an accident.
What to Do After a Car Accident
The steps taken after a crash can help protect both your health and your legal rights.
After an accident:
- Seek medical attention immediately
- Call law enforcement and request a police report
- Take photographs of the vehicles, road conditions, and injuries
- Gather witness contact information if possible
- Avoid admitting fault at the scene
Even seemingly harmless statements can later be used during an insurance dispute over liability.
Ashton & Price Attorneys at Law: Your Auto Accident Advocates
If you’ve been injured in a car accident, you don’t have to handle the aftermath alone. Ashton & Price Attorneys at Law is here to help you understand your rights and pursue the compensation you deserve. As Sacramento’s most trusted personal injury attorneys, they are committed to guiding clients through every step of the legal process with care and experience. Call (916) 786-7787 or (415) 843-2000 or contact us online today for a free consultation and take the first step toward recovery.