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How to Respond to a Civil Lawsuit in California (Step-by-Step Guide)


If you need to know how to respond to a civil lawsuit in California, this guide walks you through every step — from the moment you get served to the day you file your answer at the courthouse. Being served does not mean you have lost. California law gives every defendant the right to respond, and the only way you automatically lose is by missing the deadline.

The clock starts ticking the moment you receive those papers. Read this now.


You've Been Served — What Happens Next

Service of process is the formal delivery of legal documents that officially notifies you that a lawsuit has been filed against you. Under CCP §§412.10–412.30, California requires that service be completed in a specific way — personal delivery, substituted service, or another court-approved method.

When you are served, you receive two key documents:

  • The Summons — a court-issued notice that informs you a lawsuit has been filed and gives you the deadline to respond.
  • The Complaint — the plaintiff's written statement of the facts and legal claims they are making against you.

The person who served you (or the process server) files a proof of service with the court confirming the date, time, and method of service. That date on the proof of service is when your response clock starts. Do not ignore either document. Do not wait to see if anything else arrives. The court will not remind you of your deadline.


The 30-Day Clock (and Exceptions)

In most civil cases, you have 30 calendar days from the date of service to file a written response with the court. This deadline is set by CCP §412.20.

There are important exceptions:

  • Served by publication: If you were served by court-ordered publication in a newspaper, the deadline extends to 60 days.
  • Unlawful detainer (eviction) cases: The standard deadline is 30 days, but if the summons is specifically marked as an unlawful detainer summons, you may have only 5 court days to respond. Read the summons carefully.
  • Cross-complaints and amended complaints: Different timelines may apply depending on how and when you receive them.

If you miss the deadline without filing anything, the plaintiff can ask the court clerk to enter a default against you. Once default is entered, the plaintiff can apply for a default judgment — a court order saying you owe them money or must take some action — without you ever having a chance to present your side. Missing the deadline is the only automatic loss in civil litigation. Do not let it happen.


Three Ways to Respond to a Civil Complaint in California

When you answer a civil lawsuit in California, you have three main options. For most self-represented litigants, the first option is the right one.

1. General Denial (Form PLD-050 or UD-105)

A general denial is a written response in which you deny all or most of the plaintiff's allegations. You do not need to respond to each claim individually — under CCP §431.30, a general denial is appropriate in most civil cases where the complaint was not verified.

Use form PLD-050 for most civil cases. Use form UD-105 if the case is an unlawful detainer (eviction) proceeding.

A general denial is the fastest, simplest way to preserve your right to defend yourself. It keeps all your options open and allows you to raise affirmative defenses (covered in the next section).

2. Demurrer

A demurrer challenges the legal sufficiency of the complaint itself under CCP §430.10. You are essentially arguing that even if everything the plaintiff says is true, they have no valid legal claim.

Important: Before filing a demurrer, you must meet and confer with the opposing party in good faith under CCP §430.41. This means attempting to resolve the legal issue before involving the court.

Demurrers are more complex and typically used when the complaint has obvious legal defects. For most self-represented defendants, they are not the right first move.

3. Motion to Strike

A motion to strike (CCP §435) asks the court to remove specific improper, irrelevant, or false portions of the complaint. Like a demurrer, it is a specialized tool — not the best starting point for most pro per defendants.

For the vast majority of self-represented defendants, filing a general denial is the right move. It is simple, effective, and preserves all your defenses.


What to Include in Your Answer

A strong answer does more than just say "I deny everything." It raises affirmative defenses — legal arguments that can defeat or limit the plaintiff's claims even if their facts are accurate.

Common affirmative defenses to include in your California civil answer:

  1. Failure to state a claim — the complaint doesn't describe a valid legal cause of action
  2. Statute of limitations — the plaintiff waited too long to sue
  3. Waiver — the plaintiff previously gave up the right to make this claim
  4. Estoppel — the plaintiff's own prior conduct prevents them from making this claim now
  5. Unclean hands — the plaintiff acted wrongfully in connection with the dispute
  6. Payment or satisfaction — the debt or obligation was already paid
  7. Accord and satisfaction — the parties already settled the dispute
  8. Laches — the plaintiff unreasonably delayed filing, causing you prejudice

You do not need to prove these at the answer stage. You just need to raise them so you can use them later.

Filing fees range from $225 to $435 depending on the dollar amount of the case. If you cannot afford the fee, you may qualify for a fee waiver using form FW-001, available at the courthouse or online at the California Courts website.

How to file: Bring your completed answer (with copies) to the civil clerk's window at the courthouse listed on the summons. The clerk will stamp your copies, keep the original, and give you filed copies to keep.

Proof of service: After filing, you must also serve a copy of your answer on the plaintiff (or their attorney) by mail. Have someone other than yourself mail it, then complete a proof of service by mail form and file that with the court too.


Need Help Getting Your Documents Court-Ready?

Preparing a legally formatted general denial response is exactly what Bigfirmlit does. Our Demand Letter Packet — CA Edition ($129) and Settlement Demand Packet — CA Edition ($149) help self-represented litigants get court-ready documents without an attorney.

Bigfirmlit is a non-attorney, self-help legal document preparation service registered as a Legal Document Assistant in California. We prepare documents at your direction. We are not attorneys and cannot provide legal advice, represent you in court, or tell you what the law means in your specific situation.


After You File Your Answer

Filing your answer is the beginning of the case, not the end. Here is what comes next:

Case Management Conference (CMC): The court will schedule a CMC — typically within 120 to 180 days of the complaint being filed. At the CMC, the judge sets the discovery schedule, trial date, and discusses whether the case is a candidate for mediation or arbitration.

Discovery: Both sides exchange information and evidence. Common tools include:

  • Interrogatories — written questions the other side must answer under oath
  • Requests for Production — demands for documents, photos, records, and other evidence

Mediation/Arbitration: Many California civil cases are resolved before trial through mediation (a neutral third party helps negotiate a settlement) or judicial arbitration (a binding or non-binding decision by a neutral arbitrator).

Trial Prep: If the case goes to trial, you will need to organize your evidence, prepare witnesses, and understand the rules of evidence and procedure. Start building your case file from day one.


5 Common Mistakes Self-Represented Defendants Make

Avoid these — they can cost you the case before it even starts.

  1. Ignoring the summons. There is no "opting out." Ignoring a summons leads directly to a default judgment against you.
  2. Missing the 30-day deadline. Once default is entered, reversing it requires a separate legal motion and is not guaranteed.
  3. Admitting allegations by silence. If you don't deny something in your answer, the court may treat it as admitted.
  4. Failing to raise affirmative defenses. Defenses not raised in the answer may be waived forever.
  5. Not serving the other side. Filing with the court is only half the job — you must also serve the plaintiff with a copy of your answer.

Frequently Asked Questions

Can I respond to a civil lawsuit without a lawyer in California?

Yes. Self-represented litigants — called pro se or pro per — have the same rights in California courts as parties represented by attorneys. The courts provide self-help resources, and many defendants handle civil cases successfully without legal representation.

What if I miss the 30-day deadline?

If the plaintiff has requested a default against you, act immediately. You can file a motion to set aside default under CCP §473 on the grounds of mistake, inadvertence, surprise, or excusable neglect. The sooner you file, the better your chances. Do not wait.

What is a general denial?

A general denial is a response that denies all the allegations in the plaintiff's complaint without admitting any of them. It is authorized under CCP §431.30 and is appropriate in most civil cases where the complaint is not verified. It is the standard starting point for self-represented defendants.

How much does it cost to file an answer in California?

Filing fees range from $225 to $435 depending on the dollar value of the case. If you cannot afford the filing fee, apply for a fee waiver using form FW-001. Fee waivers are available to litigants whose income falls below certain thresholds set by the Judicial Council.

What happens at the case management conference?

The case management conference is an early hearing at which the judge reviews the status of the case, sets discovery deadlines, schedules a trial date, and explores whether the parties are willing to settle or participate in alternative dispute resolution. Both sides must typically file a Case Management Statement beforehand.

Can Bigfirmlit help me format my response documents?

Yes. Bigfirmlit specializes in preparing and formatting self-help legal documents for self-represented individuals in California — including civil court response documents. We ensure your paperwork is organized, court-formatted, and complete before you file.

Bigfirmlit is a non-attorney, self-help legal document preparation service registered as a Legal Document Assistant in California. We prepare documents at your direction. We are not attorneys and cannot provide legal advice, represent you in court, or tell you what the law means in your specific situation.


The Deadline Clock Is Running — Act Now

Every day you wait is a day closer to losing the right to defend yourself. California civil procedure is clear: respond within 30 days or face a default judgment you may never be able to undo.

You do not need a lawyer to respond to a civil lawsuit. You need the right documents, formatted correctly, filed on time.

Bigfirmlit is here to help you do exactly that:

Also see our guides on writing a demand letter in California and crafting an effective settlement demand in California.

Bigfirmlit is a non-attorney, self-help legal document preparation service registered as a Legal Document Assistant in California. We prepare documents at your direction. We are not attorneys and cannot provide legal advice, represent you in court, or tell you what the law means in your specific situation.

Don't hand the plaintiff an automatic win. File your response before the deadline.

Not Legal Advice

Bigfirmlit is a non-attorney document preparation service. We do not provide legal advice or represent clients. For legal advice, consult a licensed California attorney or a legal aid organization in your county.

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