Business Law

Unpaid Invoices: How California Businesses Actually Get Paid

By Ingrid Rainey · July 15, 2025 · 6 min read

Chasing an unpaid invoice is a business decision before it is a legal one. Litigation can recover the full amount plus interest and, where a contract provides for it, attorney's fees — but only if the debtor has assets worth collecting against. Sequencing matters: the cheapest leverage should be used first.

Key takeaways

Assess collectability before spending on litigation — a judgment against an empty entity recovers nothing.
Fee-shifting and interest clauses decide whether pursuing a mid-size claim makes economic sense.
California judgments accrue 10% annual interest and can be renewed.

Escalating in the right order

A documented demand from counsel resolves a meaningful share of disputes without a filing, particularly where the contract has a fee-shifting clause.
A structured payment agreement with a stipulated judgment provision converts a promise into an enforceable instrument.
Small claims court in California handles business claims up to the statutory limit quickly and without counsel.
Limited and unlimited civil actions are appropriate above that threshold, and prejudgment interest accrues on liquidated sums.
Construction claims have additional tools — mechanic's liens, stop payment notices, and payment bond claims — but the deadlines are short and unforgiving.

Judgment-proof debtors and how to check

Before spending on litigation, assess collectability: is the debtor an operating entity or a shell, does it own real property, does it hold bank accounts or receivables, and are there prior judgments or liens on record. A judgment against an empty entity is an expensive piece of paper.

Where the entity is thinly capitalized, evaluate whether an alter-ego or personal guarantee theory is available — and, for future contracts, insist on a guarantee up front.

Have a question about your situation?

Rainey Law P.C. advises San Diego businesses and employees on matters like this one.

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Preventing the next one

Contracts that get paid share features: clear payment milestones, late-payment interest, suspension rights for nonpayment, a fee-shifting provision, a venue clause naming San Diego, and credit terms tied to a signed application. Adding those terms costs nothing at signing and changes the negotiation when payment stalls.

What a San Diego collection case looks like on a timeline

A demand letter typically produces a response within two to three weeks. If it does, most matters settle on a payment plan within 30 to 60 days.

If a filing is required, a limited civil action in San Diego Superior Court generally reaches trial faster than an unlimited case, and many are resolved at mandatory settlement conference.

Post-judgment enforcement is its own phase: a debtor examination, bank levy, or lien can take another one to three months, and the sheriff's fees are recoverable as costs.

Frequently asked questions

How long do I have to sue on an unpaid invoice?

Generally four years for a written contract and two years for an oral one in California, measured from the breach. Waiting also reduces the chance of recovery.

Can I recover attorney's fees?

Only if a contract or statute provides for them. That single clause often determines whether pursuing a mid-size claim makes economic sense.

What happens after I win?

A judgment must be enforced — bank levies, wage garnishment, liens on real property, and debtor examinations. Judgments accrue interest at 10% per year in California and can be renewed.

Is a written contract required to sue?

No. Invoices, purchase orders, emails confirming scope and price, and a course of dealing can establish an enforceable agreement, though a signed contract makes the case substantially cheaper to prove.

Should we use a collection agency instead?

Agencies work well for small, undisputed consumer-style balances. Where the debtor disputes the work or the amount is significant, a lawyer's demand preserves your litigation options and avoids statements that complicate the case.

This article is general information, not legal advice, and does not create an attorney-client relationship. Outcomes depend on the facts of each matter.

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