Los Angeles County Departments: Services and Contact Directory
Find a starting point for common Los Angeles County services using this directory of selected departments, service descriptions, official websites, and public contact information.
Independent information guide: This website is not affiliated with Los Angeles County. Submit applications, payments, complaints, and records requests directly to the responsible agency.
This is a selected directory. For the full listing, visit the official Los Angeles County department directory. Contact numbers are labeled by purpose; administrative offices may refer you to a program or local facility.
Urgent Help and Service Referrals
- Immediate danger or a police, fire, or medical emergency: Call 911.
- Suicide or mental health crisis support: Call 988 or text 988. The county's 24-hour mental health and substance use help line is 800-854-7771.
- Suspected child abuse or neglect: Call the 24-hour DCFS Child Protection Hotline at 800-540-4000 within California or 213-639-4500 from outside California.
- Community service referrals: Call 211 or visit 211 LA for housing, food, health, and other community resources.
Department administrative numbers and online forms do not replace emergency dispatch. For homelessness-related assistance, review the county's Get Help resources.
Finding the Right County Department
Select a department below to jump to its contact information.
- Property: Contact the Assessor about assessed values and exemptions, the Treasurer & Tax Collector about tax payments, or the Registrar-Recorder/County Clerk about recorded real estate documents.
- Health: Use Health Services for county hospital and clinic care, Public Health for disease prevention and environmental health, or Mental Health for mental health services and support.
- Family assistance: Contact Public Social Services about benefits, Child Support Services about support orders, or Children & Family Services about child protection.
- Planning and infrastructure: Check Regional Planning for county zoning and development review or Public Works for specified infrastructure and building services.
- Legal and justice services: Contact the District Attorney about prosecution or victim assistance. The Public Defender and Alternate Public Defender provide qualifying court-appointed defense. Use Probation for probation matters or the Sheriff for law enforcement and county jail services.
- Elections and records: The Registrar-Recorder/County Clerk provides separate contact numbers for election services and recorder or county clerk services.
Coverage varies by location and program. Some county services cover unincorporated areas or participating cities; other requests belong with a city, court, or state agency. Confirm jurisdiction before applying.
Los Angeles County Department Directory
Department names link to official websites. Use those sites to confirm program contacts, eligibility, office locations, hours, and submission instructions.
| Department | Common Services | Contact |
|---|---|---|
| Aging and Disabilities | Information, referrals, and supportive programs for older adults, people with disabilities, and caregivers. | Information and assistance: 800-510-2020 |
| Agricultural Commissioner/Weights & Measures | Agricultural protection, pest management, pesticide regulation, and inspections of commercial weighing and measuring devices. | Department office: 626-575-5451 |
| Alternate Public Defender | Court-appointed defense for qualifying individuals when a conflict prevents representation by the Public Defender. | Department office: 213-974-8150 |
| Animal Care & Control | Animal care centers, adoption, licensing, and animal control services within the department's service area. |
Administrative office: 562-728-4882 Pet licensing inquiries: 562-345-0400 Care center and dispatch contacts |
| Arts and Culture | Arts funding, civic art, cultural programs, and support for arts organizations and creative opportunities. | Department office: 213-202-5858 |
| Assessor | Property assessments, parcel information, assessed value reviews, and qualifying exemptions or reassessment exclusions. | Headquarters: 213-974-3211 |
| Auditor-Controller | County accounting, financial reporting, audits, payroll administration, and financial oversight. | Department office: 213-974-8302 |
| Beaches & Harbors | County-managed beaches and Marina del Rey facilities, coastal recreation, and related visitor services. | Department office: 424-526-7771 |
| Child Support Services | Establishing parentage and child support orders, collecting support, and reviewing or enforcing qualifying orders. | Customer Contact Center: 866-901-3212 |
| Children & Family Services | Child protection, family preservation, foster care, and adoption-related services. |
Headquarters: 213-351-5507 Child Protection Hotline within California: 800-540-4000 Additional contacts |
| Consumer & Business Affairs | Consumer assistance, tenant and landlord information, mediation, wage enforcement, and business resources. | Department assistance: 213-974-9750 |
| District Attorney | Criminal prosecution, victim assistance, and specialized enforcement programs. The office does not provide private legal representation. | Department office: 213-974-3512 |
| Executive Office, Board of Supervisors | Board meeting agendas, proceedings, records, and assistance with Board-related administrative services. | Customer Service Center: 213-974-1411 |
| Fire Department | Fire protection, emergency response, fire prevention, inspections, and safety education within its service area. |
Administrative office: 323-881-2401 Emergencies: 911 |
| Health Services | County hospital and clinic care, medical appointments, specialty care, and patient services. | Patient appointments and assistance: 844-804-0055 |
| Homeless Services & Housing | County homelessness response, housing coordination, and connections to assistance resources. |
Department office: 213-752-1900 Housing and homelessness help resources |
| Human Resources | County employment resources, examinations, employee benefits, and personnel administration. | Department office: 213-974-2406 |
| Justice, Care and Opportunities | Justice-related diversion, reentry resources, and connections to community care and support. | Department office: 213-584-4316 |
| LA County Library | Library cards, physical and digital materials, research assistance, public computers, and learning programs at county library locations. | Library administration: 562-940-8400 |
| Medical Examiner | Investigations of deaths within its jurisdiction, identification, cause and manner of death findings, and case records. | Department office: 323-343-0520 |
| Mental Health | Mental health services, treatment referrals, crisis assistance, and recovery support. |
24-hour mental health and substance use help line: 800-854-7771 Crisis support: Call 988 or text 988 Help line services |
| Military & Veterans Affairs | Veterans' benefits assistance, claims support, advocacy, and referrals for service members and qualifying family members. | Department office: 213-765-9678 |
| Parks & Recreation | County parks, recreation programs, sports facilities, trails, swimming facilities, and community activities. |
Department office: 626-602-8711 Use the official website for individual park and program contacts. |
| Probation | Adult and juvenile probation supervision, court-related investigations, and rehabilitation services. | Department office: 562-940-2501 |
| Public Defender | Court-appointed legal representation for qualifying individuals who cannot afford private counsel. | Department office: 213-974-2811 |
| Public Health | Disease prevention, environmental health, inspections, community health programs, and specified vital record services. |
Department office: 213-240-8117 Use the official website for program-specific contacts. |
| Public Social Services | Eligibility and assistance for programs such as CalFresh, Medi-Cal, CalWORKs, and General Relief. | Customer Service Center: 866-613-3777 |
| Public Works | Specified road, flood control, water, waste, engineering, and building services within the department's jurisdiction. |
Department office: 626-458-4002 Check the official website for service requests and specialized contacts. |
| Regional Planning | Land use planning, zoning, development review, and related planning services for unincorporated Los Angeles County. | Department office: 213-974-6401 |
| Registrar-Recorder/County Clerk | Elections, voter registration, vital record copies, marriage licenses, real estate recording, and specified business filings. |
Recorder and County Clerk services: 800-201-8999 Election services: 800-815-2666 |
| Sheriff | Law enforcement within its service area, county jail operations, court security, and related public safety services. |
Find a station for local non-emergency assistance Department phone directory Emergencies: 911 |
| Treasurer & Tax Collector | Property tax collection, payment information, delinquent accounts, and tax-defaulted property administration. | Property tax information: 213-974-2111 |
Before Contacting a Department
Prepare a short explanation of the service needed. Have relevant details available, such as a case number, Assessor Identification Number, account number, property address, notice date, or application confirmation.
- Find the correct program: Check the department's official website for the appropriate unit, local office, facility, or service line.
- Follow submission instructions: Applications, records requests, payments, and complaints may use different forms and addresses.
- Check visit requirements: Confirm office hours, appointments, identification, and accepted payment methods before traveling.
- Track deadlines: A general inquiry does not replace a required filing or extend a deadline.
- Keep records: Retain confirmation numbers, receipts, correspondence, and submission dates.
- Use designated channels: Submit identity documents and financial or case materials through the responsible agency's instructed process.
Contact details and available services may change. Confirm current instructions through the linked official website before traveling, submitting documents, or making a payment.
If you find an outdated detail or broken link, please contact our website editor. Do not send applications, payments, identity documents, or confidential case information to this website.