Breach of Contract in California: Deadlines, Damages, and How Courts Decide These Cases

A broken contract can cost a business months of revenue, a professional practice its clients, or an individual thousands of dollars in unexpected losses. In California, the rules governing these disputes are clear, but the deadlines are short, and the measure of damages is specific. Missing a deadline or failing to document the loss can end a claim before it starts.

This guide explains the statute of limitations for breach of contract claims in California, the damages a court can award under Civil Code section 3300, the difference between material and minor breaches, and the practical steps that protect your position.

Key Takeaways

• Written contracts generally have a four-year statute of limitations. Oral contracts generally have two years. Both run from the date of the breach.
• Damages are measured by Civil Code section 3300: the amount that compensates the injured party for all detriment proximately caused by the breach, or that would be likely to result in the ordinary course of things.
• A material breach allows the non-breaching party to suspend its own performance and seek damages. A minor breach does not excuse performance.
• Most civil cases, including many contract disputes, settle before trial. Early demand letters and mediation often resolve matters faster and more cheaply.
• Preserving emails, invoices, change orders, and payment records at the first sign of a problem strengthens the claim and limits the other side’s defenses.

Statute of Limitations for Breach of Contract in California

California sets different deadlines depending on whether the contract is written or oral.

The clock usually starts on the date of the breach, not the date the contract was signed. In some cases, a party may argue the discovery rule applies when the breach was difficult to detect despite reasonable diligence. Courts apply this exception narrowly.

A demand letter sent before the deadline expires does not stop the clock. Only filing a complaint or, in some cases, a demand for arbitration does. If the other party has an arbitration clause, the same limitations periods generally apply to the arbitration demand.

What a Court Must Find for Breach of Contract

To recover, a plaintiff must generally prove four elements:

1. A valid contract existed.
2. The plaintiff performed its obligations or had a legal excuse for not performing.
3. The defendant breached the contract.
4. The plaintiff suffered damages as a result.

California courts distinguish between material and minor breaches. A material breach is a failure that goes to the heart of the agreement and substantially defeats its purpose. It allows the non-breaching party to stop performing and seek damages. A minor breach is a less significant failure. The non-breaching party must still perform but can recover damages for the shortfall.

Partnership agreements, operating agreements, commercial leases, and professional service contracts often contain specific notice and cure provisions. Missing a required notice period or cure opportunity can weaken or defeat a later claim. For related guidance, see our pages on business litigation, partnership disputes, and commercial lease disputes.

Damages Available Under Civil Code Section 3300

Civil Code section 3300 provides the measure of damages for breach of a contract obligation:

“The amount which will compensate the party aggrieved for all the detriment proximately caused thereby, or which, in the ordinary course of things, would be likely to result therefrom.”

This is known as expectation or benefit of the bargain damages. The goal is to put the injured party in the position it would have occupied if the other side had performed.

Common categories include:

• Direct damages: the difference between the contract price and the cost of replacement performance, or the unpaid amount due under the contract.
• Consequential damages: additional losses that were reasonably foreseeable at the time of contracting, such as lost profits on a downstream project.
• Incidental damages: reasonable costs incurred in responding to the breach, such as the expense of finding a substitute supplier.

Two important limits apply. Damages must be clearly ascertainable in nature and origin (Civil Code section 3301). They also cannot exceed what the plaintiff would have gained from full performance by both sides (Civil Code section 3358). The injured party has a duty to mitigate, meaning it must take reasonable steps to reduce its losses.

Punitive damages are generally not available for a pure breach of contract. They may be available if the breach also involves an independent tort such as fraud.

Typical Timeline and How Most Cases Resolve

Many breach of contract matters never reach a courtroom. A clear demand letter that sets out the contract terms, the breach, and a specific demand for damages often leads to settlement. When litigation is necessary, the process typically moves through these stages:

Approximately 95 percent of civil cases settle before trial. Mediation resolves a large share of commercial disputes that reach that stage. Cases involving clear written contracts and easily quantified damages tend to resolve faster. Complex lost profit claims or multi party disputes take longer.

County courts differ in volume and case management. Los Angeles and Orange County civil departments handle high volumes of commercial matters. Specialized departments in larger counties can move complex cases more efficiently once assigned.

Practical Steps After a Breach

1. Review the contract carefully. Note any notice, cure, or dispute resolution clauses.
2. Preserve all relevant documents: the contract, emails, text messages, invoices, change orders, payment records, and communications about the problem.
3. Send a clear written demand that identifies the breach and states the relief sought. Keep a copy and proof of delivery.
4. Calculate damages with supporting documentation. Distinguish between amounts that are certain and amounts that require further proof.
5. Consider whether mediation or arbitration is required or advisable before filing.
6. Consult counsel before the limitations period expires. Early advice often preserves options and strengthens the negotiating position.

If the dispute involves a partnership, LLC, or closely held company, additional fiduciary duty claims may be available. Our business litigation attorneys regularly handle these overlapping issues. Real estate related contract disputes, including those involving commercial leases or purchase agreements, often raise similar proof and damages questions. See our real estate litigation resources for related guidance.

Frequently Asked Questions

How long do I have to sue for breach of a written contract in California?
Four years from the date of the breach under Code of Civil Procedure section 337.

What if the contract was only oral?
Generally two years under Code of Civil Procedure section 339.

Can I recover lost profits?
Yes, if they were reasonably foreseeable at the time of contracting and can be proven with reasonable certainty.

Does sending a demand letter stop the statute of limitations?
No. Only filing a complaint or a proper arbitration demand stops the clock.

Are attorney fees recoverable?
Only if the contract contains a fee provision or a statute allows them. Under Civil Code section 1717, a one-sided fee clause is treated as reciprocal.

Protect Your Rights Before the Deadline Passes

Contract claims are often strongest when evidence is fresh and the limitations period is still open. Waiting can allow documents to disappear, memories to fade, and the other side to raise procedural defenses.

Amiel Wade and the team at Wade Litigation have represented businesses, professionals, and individuals in complex commercial and civil disputes across California for more than 25 years. The firm focuses on efficient resolution while remaining prepared to try cases when necessary. Review our practice areas and client focused approach to see how we handle business and civil litigation.

If you are facing a breach of contract issue in California, contact Wade Litigation for a free case evaluation. Call 408-214-5225 or schedule online.

Reviewed by Amiel Wade, Esq.
Founder and Managing Partner | California Bar Admission 1996 | U.S. District Court Northern and Eastern Districts of California
Over 25 Years of Litigation Experience | Former San Jose Police Officer | Judge Pro Tem and Arbitrator, Santa Clara County Superior Court
Review Date: November 2, 2026