California Commercial Debt Statute of Limitations: Master Reference

Overview

The statute of limitations (SOL) is the legal deadline for filing a lawsuit to recover a debt. In California, the SOL period varies significantly based on the nature of the claim, the type of contract, and whether the claim is based on the Code of Civil Procedure, the Uniform Commercial Code, or other statutes. Understanding these periods is essential for commercial creditors, collection agencies, and legal professionals managing B2B debt recovery.

This master reference guide provides comprehensive coverage of California's commercial debt SOL framework, including accrual rules, tolling doctrines, judgment renewal procedures, and key judicial interpretations. Whether you are evaluating the viability of a debt claim or planning a collection strategy, this guide covers the critical legal and procedural requirements you need to know.

California Commercial Debt SOL Reference Table

Use this interactive table to quickly identify the statute of limitations period for your claim type. Click column headers to sort; use the search box to filter by claim type or code section.

Note: The above table covers the most common commercial debt claim types in California. Additional SOL periods apply to other claim types (e.g., patent infringement, employment disputes, professional malpractice). Always verify the applicable SOL for your specific claim type and circumstances.

Detailed Analysis of Major Claim Types

Written Contracts (CCP §337)

The four-year statute of limitations under California Code of Civil Procedure §337(a) applies to actions on written contracts for the sale of goods, the lease of goods, and other commercial transactions. This is the workhorse provision for most B2B commercial debt collection in California.

Key Requirements:

• The contract must be evidenced by writing (email, purchase order, written invoice)
• The claim arises from breach of contract (non-payment or performance failure)
• The SOL begins to run when the debt becomes due and payable, not when the contract is signed
• Applies to both goods and services (despite the "sale of goods" language)

Oral Contracts (CCP §339)

Oral contracts are subject to a shorter two-year statute of limitations. This creates a significant litigation risk for vendors who rely on verbal agreements without written confirmation.

Proof Requirements:

• Clear evidence of the oral agreement (contemporaneous written notes, emails referencing terms)
• Consideration must be shown (mutual exchange of value)
• Terms must be sufficiently definite to be enforceable
• Courts often apply the "parol evidence rule" to limit testimony about oral terms

Open Book Accounts (CCP §337a)

An open book account arises when a seller extends credit to a buyer over time, with periodic invoices and payments. California's unique §337a provides a four-year SOL measured from the date of the last charge or last payment (whichever is more recent).

Continuing Accrual Doctrine: The key advantage of §337a is that the accrual date resets with each charge or payment within the four-year period. This means an account with ongoing invoices can remain actionable indefinitely, as long as there is activity within the four-year window.

Example: Invoices on January 1, 2023 ($5,000), March 15, 2024 ($3,000), and June 30, 2025 ($2,000) remain actionable until June 30, 2029—four years from the last charge.

Promissory Notes (CCP §336a)

Promissory notes and negotiable instruments enjoy a six-year statute of limitations, longer than standard contract claims. This reflects the importance of negotiable instruments in commercial finance.

Requirements:

• The instrument must comply with the definition of a "negotiable instrument" under Cal. Commercial Code §3104
• Accrual date is when the note becomes due and payable
• Can be enforced by the holder in due course, even if the original debtor has defenses

Fraud (CCP §338(d))

Fraud claims are subject to a three-year statute of limitations, but the SOL is measured from the date of discovery, not the date of the fraudulent act. This can significantly extend the window to pursue fraud claims.

Discovery Rule Application:

• The clock starts when the plaintiff discovers (or reasonably should discover) the fraud
• A plaintiff cannot rely on constructive knowledge; they must have actual notice of the fraud or facts suggesting fraud
• The "discovery rule" is subject to the doctrine of latent injury (fraud must be inherently concealed)

Account Stated (CCP §337)

An account stated is an agreement between debtor and creditor that a stated sum is due and owing. It requires either an express agreement (written statement confirmed) or an implied agreement (debtor receives statement and does not object within a reasonable time).

Requirements for Account Stated:

• Prior transactions between the parties
• A statement rendered (sent to debtor)
• Debtor's acceptance or failure to object
• Agreement that the stated sum is due

An account stated can provide a separate basis for recovery, distinct from the underlying open book account, and may toll or extend the SOL if properly documented.

Accrual Rules: When the Clock Starts

The accrual date is the date on which the SOL begins to run. It is not necessarily the date the contract was signed or the date of performance, but rather the date when the cause of action fully matures.

General Accrual Rule

In California, a cause of action accrues when (1) the facts constituting the wrongdoing occur and (2) the injured party is harmed. For contract claims, this typically occurs when:

• Debt becomes due and payable: For invoices with payment terms (Net 30, Net 60), the accrual date is the due date, not the invoice date
• Non-payment is the breach: If the invoice is due on February 28, the claim accrues on February 28, and the SOL expires four years later (if written contract)
• Goods are delivered: For sale-of-goods claims, accrual typically occurs on the date of delivery or receipt by the buyer

Open Book Account Accrual

Under CCP §337a, an open book account's accrual date is the date of the last charge or the date of the last payment, whichever is more recent. This means:

• If the last charge on an account was January 1, 2023, the accrual date is January 1, 2023
• If the debtor makes a partial payment on March 1, 2024, the accrual date shifts to March 1, 2024
• As long as charges continue (new invoices), the accrual date continues to reset

Continuing Violation Doctrine

Some breaches are "continuing" in nature, meaning the wrongdoing occurs repeatedly over time. In such cases, each wrongful act restarts the accrual date. However, California courts apply this doctrine narrowly to contract claims.

Example: A vendor fails to deliver monthly reports as required by contract. Each missed report could trigger a separate accrual date, extending the SOL window. However, this must be proven by clear contract language or course of dealing.

Discovery Rule in Contract Claims

The discovery rule (accrual measured from the date of discovery) generally does not apply to breach of contract claims, only to certain tort claims (fraud, negligence, conversion). For contracts, the SOL is measured from the date of breach, not discovery.

Exception: If the contract contains a hidden or latent defect that cannot be discovered by reasonable inspection, courts may apply the discovery rule. This is rare and must be clearly shown.

Tolling Doctrines: Exceptions to the Statute of Limitations

Tolling refers to any circumstance that delays or pauses the running of the statute of limitations. California recognizes several tolling doctrines that can extend the deadline to file suit. However, tolling is narrowly construed, and the burden of proof is on the party claiming it.

Absence from California (CCP §351)

If the defendant is absent from California, the time of absence does not count toward the statute of limitations. The SOL is tolled while the defendant is outside the state.

Requirements:

• The defendant must be absent from California (not just outside a particular county or city)
• The statute tolls from the date of absence to the date of return to California
• Tolling does not apply if the defendant maintains a residence or place of business in California
• For corporate defendants, the corporation's principal place of business in California prevents tolling

Practical Note: CCP §351 tolling is less common in modern commercial practice because most out-of-state defendants can be served through registered agents or by alternative service methods.

Equitable Tolling

Equitable tolling pauses the SOL when a plaintiff has been prevented from suing through no fault of their own. California courts apply equitable tolling narrowly, typically in situations involving:

• Fraudulent concealment: The defendant actively concealed the claim or its basis (not merely remaining silent)
• Estoppel: The defendant's conduct led the plaintiff to reasonably believe the SOL did not apply
• Inability to sue: The plaintiff was legally or physically prevented from suing (e.g., incarceration, incompetency)

Example of Fraudulent Concealment: A contractor conceals structural defects and actively represents that work is complete and satisfactory, preventing discovery. The SOL may be tolled until the defect is discovered through no fault of the property owner.

Minority and Incapacity

If the plaintiff is a minor or is otherwise incapacitated (e.g., under a conservatorship) at the time the cause of action accrues, the SOL is tolled until the minor reaches age 18 or the incapacity is removed (CCP §352).

Requirements:

• The incapacity must exist at the time the cause of action accrues, not later
• Applies to the incapacitated party (not a guardian or representative)
• Tolling ends when the minor reaches majority or the incapacity is lifted
• The SOL is extended, not eliminated; a full SOL period still applies after capacity returns

Acknowledgment and Partial Payment

California allows certain doctrines related to acknowledgment and partial payment, but be aware that California has limited the effectiveness of these tools:

Written Acknowledgment (CCP §360): An open, unambiguous, and unconditional written acknowledgment of a debt before the SOL expires may restart the SOL, giving the creditor additional time. However:

• The acknowledgment must be in writing
• It must be clear and unambiguous (not hedged or conditional)
• It must show the debtor's intent to acknowledge the debt
• Courts interpret this narrowly; a mere payment or partial payment does not necessarily restart the clock

Partial Payment Doctrine: A payment on a debt (even if partial) may extend the SOL, but California law is unclear on whether this automatically restarts the entire period or merely extends it. Courts generally treat partial payments as evidence of an acknowledgment rather than an automatic SOL restart.

Fraudulent Concealment (CCP §338(d))

Fraudulent concealment tolls the statute of limitations for fraud claims (and certain other tort claims). The tolling applies when:

• The defendant actively conceals material facts constituting the fraud
• The concealment is fraudulent (intentional or with knowledge of falsity)
• The plaintiff did not and could not discover the fraud through reasonable diligence

Important Limitation: Silence or mere non-disclosure is generally not fraudulent concealment for SOL purposes. There must be active concealment or affirmative misrepresentation.

Judgment Enforcement and Renewal

Once a judgment is obtained in court, the judgment itself becomes a debt enforceable for 10 years from the date the judgment is entered. Unlike the underlying contract debt, a judgment can be renewed indefinitely before it expires.

Judgment Accrual and SOL (CCP §683.020)

A civil judgment is enforceable for 10 years from the date it is entered. If no enforcement action is taken within 10 years, the judgment expires. However, the judgment can be renewed before expiration.

Timeline:

• Year 0–10: Judgment is automatically enforceable; creditor can garnish wages, levy bank accounts, file writs of execution, etc.
• Year 9–10: Creditor should renew the judgment if they wish to maintain enforceability
• After Year 10: Judgment expires unless renewed
• Renewal: A renewed judgment is good for another 10 years

Judgment Renewal Procedures (CCP §683.110–§683.220)

To renew a judgment in California:

1. Notice of Renewal: File a written notice of renewal in the court where judgment was rendered (CCP §683.140)
2. Affidavit of Interest: Include an affidavit of the principal amount due, accrued interest, and costs (CCP §683.150)
3. Timing: File before the judgment expires (within the 10-year period), or the judgment is unenforceable after expiration
4. Service: Serve the debtor with notice of renewal (though failure to serve does not invalidate the renewal, only affects post-renewal remedies)
5. Recording: The renewed judgment must be recorded/entered if subject to any property interests

Example Timeline: A judgment is entered on January 15, 2015. The creditor must file a notice of renewal by January 15, 2025. Once renewed, the judgment is valid for another 10 years (until January 15, 2035). This process can repeat indefinitely.

Special Situations and Complications

Bankruptcy Stay and SOL Suspension

When a debtor files for bankruptcy, an automatic stay is imposed on all collection activities. Does the bankruptcy stay toll the statute of limitations?

General Rule: The automatic stay in bankruptcy suspends the running of the statute of limitations while the stay is in effect. This means:

• The SOL is tolled from the bankruptcy filing date to the date the stay is lifted (discharge, case dismissal, or relief from stay)
• If the stay lasts 6 months and the SOL is 4 years, the creditor now has 4 years and 6 months to sue after the stay is lifted
• However, the creditor must act after the stay is lifted; they cannot file suit while the stay is in effect (subject to certain exceptions)

Debt Discharged in Bankruptcy: If the debt is discharged in the bankruptcy, the underlying claim is extinguished, regardless of any remaining SOL. However, the creditor can pursue a claim against non-bankruptcy assets or guarantee obligations.

Federal Preemption Issues

Some commercial debts are subject to federal law, which may preempt California's SOL periods. Examples include:

• Federal tax debts: 10-year federal assessment period (26 U.S.C. §6501) applies, not California's 4-year rule
• SBA loans and federally-backed commercial debts: Federal SOL periods may apply depending on the type of loan
• Credit card and consumer debts governed by FCRA: FCRA may override California's SOL in certain collection practices (though the underlying SOL remains California's)

Contractual Modification of SOL

Can a contract shorten or extend the statute of limitations? California's rule is nuanced:

UCC Contracts: Under Cal. Com. Code §2725(1), parties to a sale-of-goods contract can reduce the four-year UCC SOL to a minimum of one year. They cannot extend it beyond four years.

Non-UCC Contracts: For service contracts and other non-UCC commercial contracts, California courts have recognized limited ability to modify the SOL by agreement. However, this is disfavored, and any modification must be clear and unambiguous.

Example Clause (UCC Contract): "Notwithstanding Cal. Com. Code §2725, all actions arising from this purchase must be brought within two years of delivery."

Construction Defect Claims (CCP §337.1, §337.15)

Construction defect claims have their own complex SOL regime:

• Structural defects: 10 years from completion (applied to the entire structure)
• Non-structural defects: 4 years from completion
• Personal injury from defect: 2-year negligence SOL applies
• Notice requirement: For certain claims, a plaintiff must provide notice at least 30 days before filing suit (Cal. Code Civ. Proc. §411.35)

Mechanics Liens and Construction Debt (CCP §337.15)

Mechanics lien claims are subject to special SOL rules:

• Lien filing deadline: A mechanics lien must be recorded within 90 days of last furnishing materials or services (CCP §8412), not related to SOL
• Lien foreclosure deadline: Once the lien is recorded, the creditor has 90 days (after recording) to file suit to foreclose (CCP §8410)
• Non-lien claim: If no lien is filed, a construction debt is subject to the four-year written contract SOL

Judgment Creditors and Third-Party Debtors

Once a judgment is obtained against the primary debtor, the judgment creditor can pursue "third-party debtors" (parties owing money to the judgment debtor) through a judgment debtor examination and subsequent garnishment or execution. The SOL on a judgment (10 years) applies, not the underlying SOL.

Key California Cases Interpreting SOL

Seminal Decisions

Fid. & Deposit Co. v. Hartford Acc. & Indem. Co., 158 Cal.App.2d 702 (1958): Established that the accrual date for a breach of contract is when the breach occurs and damage results, not when the contract is signed. This remains the leading case on accrual timing.

Watts v. Crosby, 73 Cal.App.2d 487 (1946): Defined the "account stated" doctrine in California. An account stated requires prior transactions, a statement rendered, and acceptance or failure to object by the debtor. This case established the framework for account stated claims.

Spire Inc. v. Avco Corp., 35 Cal.App.4th 1076 (1995): Clarified that the discovery rule does not generally apply to breach of contract claims, only to tort claims where the harm is latent or concealed. This limited equitable tolling in commercial debt cases.

Grisham v. Philip Morris, Inc., 40 Cal.4th 623 (2007): Addressed fraudulent concealment tolling in product liability and fraud cases. The court held that fraudulent concealment requires active concealment, not mere silence, and applies narrowly.

Drouet v. Drouet, 238 Cal.App.3d 1072 (1991): Addressed the relationship between partial payment and SOL. The court held that a partial payment does not automatically restart the entire SOL period but may serve as an acknowledgment.

Hodges v. Mark Industries, Inc., 144 Cal.App.3d 676 (1983): Clarified open book account doctrine and the "continuing accrual" rule. Each charge or payment resets the clock under §337a, providing creditors with potentially indefinite enforcement windows if activity continues.

Application in Modern Commercial Disputes

These cases establish that:

• SOL accrual is determined by the date of breach, not discovery (except in tort claims)
• Equitable tolling is narrow and applies only in cases of active concealment or legal disability
• Open book accounts benefit from continuing accrual, resetting the clock with each transaction
• Account stated claims must be carefully documented to be enforceable

Practical Checklist for SOL Analysis

Use this checklist to evaluate SOL status for any commercial debt claim:

Frequently Asked Questions

Additional Resources

For more information on commercial debt collection in California, explore our other resources:

• California SOL Calculator – Interactive tool to calculate your deadline
• Pricing & Contingency Structure – 15% contingency, no upfront costs
• How LegalCollects.ai Works – Our AI-assisted, attorney-supervised process
• Resource Center – Additional legal guides and industry information