If a debt collector is contacting you in California, the state’s main debt collection law — the Rosenthal Fair Debt Collection Practices Act — controls what they can say, when they can call, what they must disclose, and what you can collect from them if they break the rules. California debt collection law is broader than the federal Fair Debt Collection Practices Act in two important ways: it reaches creditors collecting their own debts, not just third-party collectors, and as of July 1, 2025, it covers certain commercial debts owed by individuals, not only consumer debts.
Who the Law Covers
The Rosenthal Act applies to anyone who regularly engages in debt collection, whether collecting their own accounts or someone else’s.1Department of Financial Protection and Innovation. Debt Collectors Federal law regulates only third-party collectors, so if a credit card company’s in-house collection department is harassing you, the state law is often your stronger tool. Debt buyers — companies that purchase delinquent accounts in bulk and then try to collect — are covered as well, and both collectors and buyers must be licensed by the California Department of Financial Protection and Innovation.
On top of the state rules, California Civil Code Section 1788.17 requires every debt collector pursuing a consumer debt to also comply with the key provisions of the federal FDCPA.2California Legislative Information. California Civil Code 1788.17 California consumers get both sets of protections, with the stronger rule applying wherever the two overlap.
The SB 1286 Expansion to Commercial Debts
Before July 1, 2025, the Rosenthal Act covered only consumer debts. SB 1286 added “covered commercial debt” to the law’s scope.3CalMatters. SB 1286 Rosenthal Fair Debt Collection Practices Act Covered Debt Commercial Debts A commercial debt now qualifies for protection when all three conditions are met:
- The debtor is an individual, not an LLC or corporation. This includes someone who personally guaranteed a loan taken out in a business’s name.
- The commercial credit transaction is valued at $500,000 or less.
- The debt was entered into, renewed, sold, or assigned on or after July 1, 2025.
A sole proprietor who borrowed $80,000 for equipment, or someone who co-signed on a $200,000 business loan, now gets the same anti-harassment and disclosure protections consumer debtors have had for decades.4California Legislative Information. SB 1286 Bill Analysis Debts owed by business entities themselves, such as an LLC that borrowed without any personal guarantee, remain outside the law’s reach.
What Collectors Must Disclose
Every written or digital communication from a debt collector must display the collector’s California license number in at least 12-point type, and collectors must provide that number verbally if you ask.5California Legislative Information. California Civil Code 1788.11 Verify the number against the DFPI’s online search tool.6Department of Financial Protection and Innovation. Debt Collections What Consumers Need to Know If the number doesn’t check out, or the caller refuses to provide one, you may be dealing with a scam.
As an initial communication or within five days of first contact, the collector must send you a written validation notice. It has to include the creditor’s name, an itemized breakdown of the current amount reflecting interest, fees, and payments, and a clear statement of your right to dispute the debt within 30 days.7Consumer Financial Protection Bureau. What Information Does a Debt Collector Have to Give Me About a Debt They Are Trying to Collect From Me
For commercial debts newly covered under SB 1286, collectors must also explain your right to request records showing their authorization to collect, the balance including interest and fees, dates of delinquency, the creditor’s name and account number, and your last known address from the creditor’s records. If the original agreement was made in a language other than English, the notice must be provided in that language.
When Collectors Can Call
Debt collectors cannot call before 8 a.m. or after 9 p.m. unless you’ve given permission, and they cannot call at times or places they know are inconvenient for you.8Consumer Financial Protection Bureau. When and How Often Can a Debt Collector Call Me on the Phone California law also prohibits calling repeatedly or continuously to annoy you, and bars contact with a frequency that amounts to harassment under the circumstances.5California Legislative Information. California Civil Code 1788.11 There is no fixed number of calls that crosses the line; courts look at the pattern and context.
What Collectors Cannot Do
A debt collector may not:
- Communicate under any name other than the collection agency’s or the creditor’s they represent.
- Falsely claim to be an attorney or send correspondence on an attorney’s letterhead without that attorney’s approval.
- Claim to be affiliated with or acting on behalf of a government agency unless they actually are.
- Trick you into accepting a call or incurring long-distance charges by lying about the purpose of the call.
These restrictions apply to the collection of any covered debt, including the commercial debts brought under the law by SB 1286.9California Legislative Information. California Civil Code 1788.13
Disputing a Debt
If you receive a validation notice and think the debt is wrong, you have 30 days to dispute it in writing. Once you send that dispute, the collector must pause all collection activity on the disputed amount until they provide adequate verification.7Consumer Financial Protection Bureau. What Information Does a Debt Collector Have to Give Me About a Debt They Are Trying to Collect From Me Adequate verification means actual documentation, not the collector restating the same claim.
For commercial debts under SB 1286, collectors face a stronger obligation. If you submit a written request for information, they must provide proof of their authority to collect, a balance breakdown, delinquency dates, the creditor’s name and account number, and their California license number within 30 calendar days. If they cannot produce that information in time, all collection activity must stop until they can.
If the Debt Resulted From Identity Theft
When you notify a collector that the debt stems from identity theft, all collection activity must stop until the collector makes a good-faith determination that you are actually responsible. To support your claim, submit an identity theft affidavit along with a government-issued photo ID and proof of your address during the period the fraudulent charges occurred.
Time-Barred Debts
The statute of limitations on most written debt agreements in California is four years. Once that period expires, a collector loses the ability to sue you. They can still call, send letters, and report the debt to credit bureaus.10California Department of Justice. Debt Collectors
This is where many people stumble. Making a partial payment on an old debt can restart the statute of limitations clock, giving the collector a fresh window to sue. If you suspect a debt may be time-barred, consult an attorney before paying anything or acknowledging the debt in writing.
Damages and Penalties
A debt collector who violates the Rosenthal Act is liable for your actual damages. If the violation was willful and knowing, the court can impose a statutory penalty of $100 to $1,000 on top.11California Legislative Information. California Civil Code 1788.30 The real financial exposure for collectors is attorney fees: the prevailing debtor is entitled to reasonable attorney fees and court costs, which often dwarf the statutory penalty itself. This is why consumer attorneys often take these cases on contingency.
One important limitation: Rosenthal Act claims must be brought as individual lawsuits, not class actions.11California Legislative Information. California Civil Code 1788.30 You cannot pool your claim with other consumers mistreated by the same collector under the state law.
The 15-Day Cure Window
Collectors get one shot at avoiding liability. If a collector discovers a violation or receives your written notice of one, they have 15 days to notify you and correct it. If they fix it within that window, civil liability disappears.11California Legislative Information. California Civil Code 1788.30 A collector can also avoid liability by showing the violation was unintentional and that they maintained reasonable procedures to prevent it. In practice, a sharp letter identifying the specific violation and citing the statute often produces a correction within that 15-day window without litigation.
Federal Damages on Top of State Damages
Because Section 1788.17 pulls the federal FDCPA into California law for consumer debts, a collector who breaks the rules may face liability under both. The federal FDCPA allows up to $1,000 in statutory damages per individual action, separate from the state penalty, and permits class actions with total damages up to the lesser of $500,000 or 1% of the collector’s net worth.12Federal Trade Commission. Fair Debt Collection Practices Act A debt collection attorney can evaluate whether to pursue claims under one or both laws.
How to File a Complaint or Sue
You have two paths, and you can pursue both at the same time: a regulatory complaint with the DFPI, and a private lawsuit under the Rosenthal Act.
The DFPI has authority to examine licensees for legal violations, issue cease-and-desist orders against unlicensed operators, and order restitution and disgorgement of funds on behalf of consumers harmed by illegal collection practices.1Department of Financial Protection and Innovation. Debt Collectors You can submit a complaint online through the department’s website in about five minutes, or call 1-866-275-2677 for help with the form.13Department of Financial Protection and Innovation. Submit a Complaint
For a lawsuit, documentation is what separates claims that settle quickly from ones that stall. Save voicemails, screenshot text messages, keep envelopes showing postmark dates, and write down the date, time, and substance of every phone call. Federal regulations also require collectors to retain their own compliance records, including call recordings, for three years from the last collection activity.14Consumer Financial Protection Bureau. 12 CFR Part 1006 Regulation F – 1006.100 Record Retention If those records are missing when you ask for them in litigation, that absence becomes evidence in your favor.