| California Department of Health Care Services (DHCS) | Fraud by providers or beneficiaries against In-Home Support Services (IHSS) | (800) 822-6222 | https://www.dhcs.ca.gov/ |
| California Department of Health Care Services (DHCS) | Fraud by providers or beneficiaries against Medi-Cal | (800) 822-6222 | https://www.dhcs.ca.gov/ |
| California Department of Motor Vehicles | Drivers License/Identification Fraud | (866) 658-5758 | https://www.dmv.ca.gov |
| City of Los Angeles, Office of the Controller | Report Fraud, Waste and Abuse of City Resources | (866) 428-1514 | https://controller.lacity.gov/ |
| Contractors State License Board of California | Complaints against contractors | (800) 321-2752 | https://www.cslb.ca.gov/ |
| Federal Bureau of Investigation | Suspected terrorism, internet scams, or other criminal activity that violates U.S. federal law | (800) 225-5324 | https://www.fbi.gov/ |
| Federal Trade Commission | Identity Theft and consumer complaints | (877) 438-4338 | https://consumer.ftc.gov/ |
| Internal Revenue Service | Tax-Related Fraud | (800) 829-0433 | https://www.irs.gov/ |
| Los Angeles County Child Support Services Department | Child Support Inquiries | (866) 901-3212 | https://cssd.lacounty.gov/ |
| Los Angeles County Department of Children and Family Services | Report Child Abuse | (800) 540-4000 | https://dcfs.lacounty.gov/ |
| Los Angeles County Department of Consumer Affairs | Consumer/Business Complaints | (213) 974-1452 | https://dcba.lacounty.gov/ |
| Los Angeles County Department of Public Social Services, Welfare Fraud Prevention and Investigation | Welfare Fraud | (800) 349-9970 | https://dpss.lacounty.gov/ |
| Los Angeles County District Attorney's Office | Adult Protection/Elder Abuse Concerns | (877) 477-3646 | https://da.lacounty.gov/ |
| Los Angeles County Equity Oversight Panel | Report Discrimination, Harassment, and Retaliation | (855) 999-2367 | https://ceop.bos.lacounty.gov/ |
| Medical Board of California | Complaints about medical professionals | (800) 633-2322 | https://www.mbc.ca.gov/Consumers/file-a-complaint/ |
| Social Security Administration (SSA), Office of the Inspector General (OIG) | Fraud, waste, or abuse against Social Security | (800) 269-0271 | https://oig.ssa.gov/report/ |
| State Bar of California | Complaints against attorneys | (800) 843-9053 | https://www.calbar.ca.gov/ |
| The Superior Court of California, County of Los Angeles | Superior Court Fraud Hotline | (213) 830-0832 | https://www.lacourt.org/ |
| U.S. Department of Health and Human Services, Office of Inspector General | Waste, fraud, and abuse in Medicare, Medicaid, and more than 300 programs of the Department of Health and Human Services. | (800) HHS-TIPS | https://oig.hhs.gov/fraud/report-fraud/ |
| United States Postal Inspection Service | Mail Theft/Fraud, Identity Theft, Mailbox Vandalism | (877) 876-2455 | https://www.uspis.gov/report |
| United States Department of Housing and Urban Development | Section 8 Fraud | (800) 347-3735 | https://www.hudoig.gov/ |
| Housing Authority of the City of Los Angeles (HACLA) | Section 8 Fraud | (800) 461-9330 | https://www.hacla.org/ |
| Los Angeles County Development Authority | Section 8 Fraud | (877) 881-7233 | https://www.lacda.org/ |
