County Services

Assessor

Phone: (714) 834-2727

  • Assessment: (714) 834-2941

Child Support Services

Phone: (714) 541-7600

  • Legal Support Services: *(714) 347-8150

Children and Families Commission of OC

Phone: (714) 834-5310

Clerk of the Board

Phone: (714) 834-3453

  • Property Tax Assessment Appeals: (714) 834-2331

County Clerk-Recorder

Phone: (714) 834-2500

  • County Archives: (714) 834-2434
  • Fictitious Business Names: (714) 834-2889
  • Marriage Licenses/Passports: (714) 834-2710
  • Property Document Recording: (714) 834-2887
  • Vital Records/Birth, Marriage and Death Certificates: (714) 834-2500

District Attorney

Phone: (714) 834-3600

  • Child Abuse: (714) 940-1000
  • Family Protection Unit: (714) 347-1453
  • Drugs and Narcotics Unit: (714) 347-8538
  • Victim/Witness Assistance Program's Elder Abuse Victim Services: (714) 347-8828
  • Elder Abuse Forensic Center: (714) 825-3087
  • Long Term Care Ombudsman: (714) 479-0107
  • Gand Unit: 714
  • 347-8518
  • TARGET Unit: (714) 347-8498
  • CSP Gang Victim Services: (714) 935-7492
  • Homicide Unit: (714) 347-8482
  • Juvenile Justice Center: (714) 935-7624
  • Sexual Assault Victim Services: (714) 834-4317

Fire Authority Orange County

Phone: (714) 573-6000

Health Care Agency (HCA)

Phone: (800) 564-8448

  • Alcohol & Drug Abuse Services: (714) 834-3840
  • Animal Control Services: (714) 935-6848 (Animal Care Services)
  • Immunizations: (714) 834-8444
  • Environmental Health: (714) 433-6000
  • Mental health: (714) 834-4707
  • Public health Laboratory: (714) 834-8285 (Results) 

Housing and Community Services Department

Phone: (714) 480-2900

  • Housing Assistance: (714) 480-2700
    • Occupancy/Residency, rental Assistance & Special housing Program
  • Housing Development and Administrative Services: (714) 480-2900
    • Housing and Redevelopment
  • Human Relations Commission: (714) 567-7470
  • Office of Aging and Homeless Prevention: (714) 567-7500
  • Veterans Service Office: (714) 567-7450 

John Wayne Airport

Phone: 949-252-5171

Orange County Transportation Authority

Phone: (714) 560-6282

Probation Department

Phone: (714) 569-2000

Public Administrator/Public Guardian

Phone: (714) 834-567-7660

Public Defender

Phone: (714) 834-2144

Public Library

Phone: (714) 566-3000

Registrar of voters (Registration and Elections)

Phone: (714) 567-7600

Resources and Development Management Department

Phone: (714) 834-2300

Social Services Agency

Phone: (714) 541-7700

  • Adult Services and Assistance Programs
    • In-Home Supportive Services: (714) 825-3000
    • Multipurpose Senior Services program: (714) 825-3000
    • Food Stamps and Medi-Cal: (714) 741-7100
    • CalWorks: (714) 667-8500
  • Children and Family Services Division
    • Family Assessment and Shelter Services: (714) 704-8000
    • Child Abuse Registry: (714) 940-1000
    • Child Abuse Services Team (CAST): (714) 940-4747

Sheriff-Coroner Department

Phone: (714) 647-7000

Treasurer-Tax Collector

Phone: (714) 834-3411