Is Your Employer Liable for a Coworker’s Harassment in California?

If you’ve experienced workplace harassment, one of the first questions that comes up is: can I hold my employer responsible — not just the person who harassed me?

The answer is often yes. Under California law, employers can be legally liable for harassment committed by supervisors and, in many cases, by coworkers. Understanding the difference between these two types of liability is critical to knowing your legal options.

How California Law Defines Employer Liability for Harassment

California’s Fair Employment and Housing Act (FEHA) sets the standard for employer liability harassment in California. FEHA goes further than federal law in several key areas, including holding employers to a strict liability standard when supervisors are involved.

There are two legal theories that apply here: vicarious liability and direct liability. Each works differently depending on who harassed you and how your employer responded.

Vicarious Liability: When a Supervisor Is Involved

When a supervisor commits harassment, California law holds the employer automatically liable — no questions asked about whether the employer knew.

This is called vicarious liability. It means the employer is legally responsible for the acts of its supervisors, simply by virtue of having placed that person in a position of authority over you.

Under FEHA, a “supervisor” is anyone with the authority to:

• Hire, transfer, suspend, or discharge employees
• Make or recommend employment decisions that affect your job status
• Direct your daily work activities

If someone in that role subjected you to a hostile work environment or quid pro quo harassment, your employer bears direct legal responsibility.

California courts have been consistent on this point. In Myers v. Trendwest Resorts, Inc. (2007), the court affirmed that FEHA imposes strict vicarious liability on employers for a supervisor’s harassment — meaning the employer cannot escape liability simply by claiming it didn’t know the harassment was happening.

This is why documentation matters even when the harasser is a supervisor. The conduct itself creates employer liability; your records establish the severity, frequency, and impact.

Direct Liability: When a Coworker Is the Harasser

Coworker harassment is handled differently. When the person who harassed you is a peer (not a supervisor), employers are held to a negligence standard.

Your employer is liable if:

1. They knew or should have known about the harassment, and
2. They failed to take immediate and appropriate corrective action

This is called direct liability, and it rests on the employer’s duty to maintain a harassment-free workplace. FEHA requires California employers to take all reasonable steps to prevent and remedy harassment, not just respond to it after the fact.

What counts as “knew or should have known”?

• You made a verbal or written complaint to HR or a manager
• Another employee reported witnessing the harassment
• The conduct was open and repeated enough that management had to be aware
• The employer had prior complaints or incidents involving the same employee

If any of these are true and your employer took no meaningful action, employer liability for coworker harassment in California attaches.

What “Immediate and Appropriate Corrective Action” Actually Means

Employers often claim they “investigated” a complaint. But under California law, a response must be both prompt and effective.

Corrective action that courts have found insufficient includes:

• A brief conversation with the accused, with no follow-up
• Transferring the victim instead of addressing the harasser
• Issuing a general reminder about workplace policies without addressing the specific conduct
• Taking weeks to respond to a formal complaint

If your employer’s response fell short, that failure is evidence of negligence and strengthens a claim of employer liability.

What You Should Document After a Harassment Incident

Whether the harasser is a supervisor or a coworker, documentation is what makes your case. Here is what to record immediately:

What happened:

• Date, time, and location of each incident
• Exactly what was said or done (direct quotes where possible)
• Whether there were any witnesses

Who you told:

• The name of every HR representative, manager, or supervisor you notified
• The date and method of each report (email, in-person, written complaint)
• Their exact response, or the fact that they did not respond

How it affected your work:

• Negative performance reviews, demotions, or schedule changes that followed
• Any adverse action that occurred after you complained (this may also constitute retaliation)

Save everything in a personal location outside your work email, such as a personal drive or email account.

Filing a Claim: What the Process Looks Like

Before you can file a civil lawsuit under FEHA, you are required to file a complaint with the California Civil Rights Department (CRD), formerly the DFEH. You may also file a parallel charge with the EEOC.

The general process looks like this:

1. File a complaint with the CRD — you typically have three years from the date of the last act of harassment to do this
2. Request an immediate right-to-sue notice if you do not want to wait for the CRD to investigate
3. File your civil lawsuit within one year of receiving the right-to-sue notice

Timing matters. Missing a deadline can bar your claim entirely.

Employer Liability Harassment in California: Key Takeaways

Here is what California law establishes:

• Employers are strictly (automatically) liable for supervisor harassment under FEHA
• Employers are liable for coworker harassment when they knew or should have known about it and failed to act
• A weak or delayed response to your complaint can itself be evidence of employer negligence
• Documentation of both the harassment and your employer’s response is essential to any claim

The law does not require you to prove your employer encouraged or condoned the harassment. It only requires proof that the conduct occurred, that your employer had notice, and that their response was inadequate.

Talk to a California Employment Attorney

Employer liability in harassment cases is highly fact-specific. Whether the harasser was a supervisor or a coworker, how your employer responded, and what happened to your employment afterward all shape the strength of your claim.

If you’ve experienced workplace harassment in California and want to understand your legal options, you can contact Nabati Law to discuss your situation.