California Complaint Guide

Find the right agency for California disputes.

Use this guide to choose the right complaint path in California when a demand letter deadline passes.

Pick the right agency

Different agencies handle different disputes. Use the list below to find the best fit for your issue.

What to include in your complaint

A clear timeline and documentation make agencies more likely to act quickly.

  • Demand letter and delivery proof
  • Receipts, contracts, and photos
  • Any responses or refusals

What happens after you file

Agencies may request more information, contact the other party, or recommend next steps if the matter is outside their scope.

Where to file complaints in California

Dispute type Agency
Auto Accident Claims California Department of Insurance
Consumer Refunds California Department of Consumer Affairs
Contractor Disputes Contractors State License Board (CSLB)
Debt Collection California DFPI / CFPB
Landlord Repairs / Habitability California Department of Consumer Affairs
Property Damage California Courts
Security Deposit California Department of Consumer Affairs
Unpaid Wages California Labor Commissioner (DLSE)

Agency names change. Confirm current filing options on the agency website.

California complaint FAQ

Where do I file a consumer complaint in California?

Start with California Department of Consumer Affairs. Include your demand letter, receipts, and any written responses.

Where do I report wage theft in California?

File with California Labor Commissioner (DLSE) after your demand letter deadline passes.

Who handles tenant or housing complaints in California?

For deposit or repair disputes, contact California Department of Consumer Affairs or your local housing authority for code enforcement.

Can I still go to small claims after filing a complaint?

Yes. Complaints can build a record, but small claims may still be the fastest way to recover money.

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