Can I Sue My Employer for Discrimination in California? What You Have to Prove

Yes, you can sue your employer for discrimination in California, but not straight away and not on the strength of unfairness alone. You must first get a Right-to-Sue notice from the state. Then you have to prove six specific things, including that a protected characteristic was a substantial motivating reason for what your employer did, rather than merely one thought in the room.

At a glance

• California law protects you if your employer regularly employs five or more people.
• You cannot walk into court first. In employment cases you must obtain a Right-to-Sue notice from the Civil Rights Department (CRD) (formerly DFEH) before you file a lawsuit.
• You have three years from the discriminatory act to submit your intake form to CRD. The one-year figure many websites still print was replaced in 2020.
• Once CRD issues your Right-to-Sue notice, you generally have one year to file in court.
• If you also file with the federal Equal Employment Opportunity Commission (EEOC), your window in California is 300 days. Many pages still say 180.
• At trial, discrimination must be a substantial motivating reason for the decision. It does not have to be the only reason.
• Being treated badly is not enough on its own. The mistreatment has to connect to a protected characteristic.

What do you actually have to prove to win a discrimination case in California?

Most articles on this question describe the paperwork. Almost none of them tell you the test.

Here it is. When a California discrimination case reaches a jury, the judge reads that jury a standard instruction, CACI No. 2500. It lists what you must prove, all of it, to establish disparate treatment discrimination under the Fair Employment and Housing Act (FEHA):

1. That your employer was an employer covered by the law.
2. That you were an employee of that employer, or applied to them for a job.
3. That your employer fired you, refused to hire you, subjected you to another adverse employment action, or constructively discharged you.
4. That your protected characteristic (or a combination of characteristics) was a substantial motivating reason for what your employer did.
5. That you were harmed.
6. That your employer's conduct was a substantial factor in causing that harm.

Read element 4 again, because it is where most cases are won and lost. The other five are usually straightforward. Element 4 is the fight.

That list is the honest answer to "do I have a claim." Six boxes, and the fourth one is hard.

Does my employer have to be a certain size?

For discrimination, yes. Under California Government Code section 12926, an "employer" includes any person regularly employing five or more persons.

Count heads before you do anything else. If your employer has four employees, the discrimination provisions of FEHA generally do not reach them, and a different route may be needed.

Harassment is treated differently. For harassment claims, section 12940 defines an employer as any person regularly employing one or more persons. So if what happened to you was harassment rather than a demotion or a firing, the five-employee figure does not rule you out.

What counts as a protected characteristic in California?

California's list is longer than the federal one. Government Code section 12940 covers race, religious creed, color, national origin, ancestry, physical disability, mental disability, reproductive health decisionmaking, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, and veteran or military status.

Two things are worth knowing.

First, the jury instruction now says "protected characteristic or combination of characteristics." If you were treated worse as an older woman, you do not have to split that into an age case and a sex case and hope one of them carries.

Second, if your reason for being treated badly is absent from that list (a personality clash, a manager who dislikes you, favoritism toward someone's friend), it is unfair, and it may be miserable, but it is generally not unlawful discrimination. We cover that line in more detail in suing your employer for unfair treatment, and the full list is broken down in protected classes under California employment law.

What counts as an "adverse employment action"?

Wider than being fired. That surprises people.

The jury instruction on this point, CACI No. 2509, says adverse employment actions "are not limited to ultimate actions such as termination or demotion." There is an adverse employment action if your employer took an action, or engaged in a course or pattern of conduct that, taken as a whole, "materially and adversely affected the terms, conditions, or privileges" of your employment. It includes conduct reasonably likely to impair a reasonable employee's job performance or their prospects for advancement or promotion.

So a pattern can count even where no single incident would. Being stripped of accounts, moved off a promotion track, or reassigned to work that kills your prospects can qualify.

There is a floor, though. The same instruction says minor or trivial actions, or conduct not reasonably likely to do more than anger or upset an employee, cannot constitute an adverse employment action. One rude meeting is not a case.

Does discrimination have to be the only reason I was fired?

No. This is the single most useful thing to understand about your position.

California uses the phrase "substantial motivating reason." The jury instruction that defines it, CACI No. 2507, is three sentences long:

“

A "substantial motivating reason" is a reason that actually contributed to the [adverse employment action]. It must be more than a remote or trivial reason. It does not have to be the only reason motivating the [adverse employment action].

Both halves matter to you.

Your employer cannot escape by pointing at some other reason it also had. If your protected characteristic actually contributed to the decision, and did so in a way that was more than remote or trivial, element 4 is satisfied even though other factors were in play.

But a stray remark is not enough either. A comment floating around the workplace, unconnected to the decision, does not become a case. The bias has to have fed into the decision itself.

What if my employer had a real reason too?

Then you are in what lawyers call a mixed-motive case, and California has a specific rule for it.

If a jury finds discrimination was a substantial motivating reason, it then looks at your employer's stated reason. If that reason was also a substantial motivating reason, the jury asks one more question: has the employer proved it would have taken the same action anyway, at that time, on that lawful basis, even if it had not also been substantially motivated by discrimination?

That is the same-decision defense, and what it does is limit remedies. It is not a trapdoor that makes the discrimination finding disappear. If your employer succeeds on it, damages and reinstatement may be off the table, while other relief can remain available.

One detail in the instruction is worth holding onto. In deciding whether the employer's stated reason was a substantial motivating reason, the jury is told to determine what actually motivated the employer. What the employer might have been justified in doing is a different question. A reason invented after the fact is not the same as a reason that drove the decision, which is exactly why what you write down, and when, matters so much. See documenting workplace evidence in California.

Do I have to go to a government agency before I can sue?

Yes, in employment cases. This is the step people miss.

CRD is direct about it. You do not have to use the CRD investigation process, and you can file your own lawsuit instead. But the agency attaches one condition: "in employment cases only, you must obtain an immediate Right-to-Sue notice from CRD before filing your own lawsuit in court."

So there are two routes:

• Ask CRD to investigate. The agency looks into your complaint.
• Request an immediate Right-to-Sue notice and go to court yourself, usually with a lawyer.

Either way, the notice is the gate. Filing a lawsuit without it puts your case at risk on a procedural point that has nothing to do with what your employer did to you. The mechanics of that step are covered in how to sue your employer in California and the Right-to-Sue letter.

Ready to talk it through?

If you are reading this a few weeks after being fired and trying to work out whether element 4 describes your situation, that is a conversation rather than a web search. Tell us what happened and we will tell you honestly what we see.

How long do I have to file a discrimination claim in California?

Two clocks, and they run in sequence.

Clock one: getting to the agency. Government Code section 12960 says a complaint under the FEHA employment provisions "shall not be filed after the expiration of three years from the date upon which the unlawful practice or refusal to cooperate occurred." The same section says filing a complaint means filing an intake form with the department, and your verified complaint relates back to that intake form.

Three years is the figure. One year was the rule before 2020, and it is still printed on a great many California law firm websites. If you read one of those pages, concluded you were out of time, and stopped, check again.

Clock two: getting to court. Once CRD issues your Right-to-Sue notice, the notice itself must state that you may bring a civil action "within one year from the date of that notice."

If you also filed federally. The EEOC's own guidance sets a 180-day deadline in general, "extended to 300 calendar days if a state or local agency enforces a law that prohibits employment discrimination on the same basis." California has exactly that, in CRD enforcing FEHA. So a California worker's federal window is 300 days. And where a charge was timely filed with both agencies, California law lets your one-year state clock run until the federal period expires or one year from the CRD notice, whichever is later.

One more feature worth knowing. Section 12960 also provides that the time to file a civil action is tolled from the moment you file your complaint with CRD until either the department files a civil action, or one year after it tells you it has closed its investigation, and, if you timely appealed the closure, one year after it tells you the complaint stayed closed following that appeal. That tolling applies retroactively.

Now the caution that matters more than any of the above. These are outer limits rather than targets, and several things can shorten them: a public employer, a claim that is really a different claim, multiple incidents each carrying their own clock, or an event that was not the one you thought started the count. Our fuller treatment is at important time limits for California employment law cases.

Deadlines can run early. If you think a clock may be running, get it checked now rather than later.

What if I am not sure I have enough proof?

Almost nobody is sure. That is normal, and it is not a reason to wait.

Most of what proves element 4 is not in your hands yet. Comparator evidence, meaning how people outside your protected group were treated in the same situation, usually sits in the employer's records and surfaces in litigation. So does the paper trail of who said what before the decision was made.

What you can do now is preserve what you have: dates, names, what was said, who else saw it, and any performance record from before things changed. Keep it somewhere that is not your work account.

Then get an assessment while your options are still open. You may have a claim, or the facts may point somewhere else entirely, and a short conversation usually settles which. If you want to know what happens next, we set it out in what happens after you contact an employment lawyer.

Frequently asked questions

Can I sue my employer for discrimination in California?

Yes, if your employer regularly employs five or more people and you first obtain a Right-to-Sue notice from the Civil Rights Department. You must then be able to prove that a protected characteristic was a substantial motivating reason for an adverse employment action, and that you were harmed by it.

How long do I have to sue my employer for discrimination in California?

You generally have three years from the discriminatory act to submit an intake form to the Civil Rights Department, and one year from the date of your Right-to-Sue notice to file a lawsuit in court. Deadlines can run early, so confirm yours with a lawyer.

Do I have to file with the CRD before suing my employer?

In employment cases, yes. CRD states that you must obtain an immediate Right-to-Sue notice before filing your own lawsuit in court. You can either ask CRD to investigate your complaint or request the notice and proceed to court yourself.

Is 180 days or 300 days the EEOC deadline in California?

300 days. The EEOC's baseline is 180 days, extended to 300 where a state agency enforces a law prohibiting discrimination on the same basis. California's Civil Rights Department does exactly that, so the longer window applies.

How many employees does a company need before discrimination law applies?

Five. California Government Code section 12926 defines an employer as any person regularly employing five or more persons. Harassment claims can reach smaller employers, so a small headcount does not automatically end the inquiry.

Does discrimination have to be the only reason I was fired?

No. California requires that discrimination was a substantial motivating reason, meaning a reason that actually contributed to the decision and was more than remote or trivial. Your employer may have had other reasons as well.

What if my employer says it would have fired me anyway?

That is the same-decision defense. If the employer proves it, damages and reinstatement may be unavailable, but it does not by itself undo a finding that discrimination substantially motivated the decision. Other relief can still be available.

What counts as an adverse employment action?

More than firing. Conduct that materially and adversely affects the terms, conditions or privileges of your employment can qualify, including a pattern of conduct assessed as a whole. Minor or trivial actions, or conduct that does no more than upset an employee, do not.

The Law Offices of Jonathan J. Delshad is a Los Angeles based employment law firm representing employees across California in wrongful termination, discrimination, retaliation, harassment, and wage and hour matters. Representing employees is the core of the firm's practice. Mr. Delshad serves as Editor-in-Chief of the California Wrongful Termination Law Review and trained at Latham & Watkins. Recognition includes Super Lawyers (2022 to 2026), Best Lawyers (since 2017), and an Avvo 10.0 "Superb" rating. Reviewed for California employment law accuracy. Last updated: 2026-08-28.

Attorney advertising. This article is educational only and is not legal advice. Reading it does not create an attorney-client relationship, which exists only under a signed engagement agreement. Every case is different, and outcomes depend on the specific facts. Deadlines can run early, so consult a lawyer promptly about your situation.