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