Los Angeles County, CA septic permits and regulations

Septic systems in Los Angeles County, California are permitted by Los Angeles County Department of Public Health, Environmental Health Division under California Water Quality Control Policy for OWTS (Resolution No. 2012-0032).

Septic permit program

  • Program type: County Health Department
  • Authorized agent: Los Angeles County Health Department
  • Own septic program: No, uses California state rules
  • Local rules beyond the state: No
  • Population: 10,014,009

Permit fee comparison

Average septic permit fee in Los Angeles County: $73. California average: $808.

Local rules

County operates under state-level California OWTS Policy (Water Code §13290-13291.7). Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Los Angeles County

  • 8 permit fees with sources
  • The agency phone, email and office address
  • Setback distances
  • Soil and perc test requirements
  • Allowed system types
  • System design rules
  • Inspection requirements
  • Maintenance and pumping rules
  • Point-of-sale rules
  • Installer, designer and pumper licensing

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Draw a permit-ready site plan for Los Angeles County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Los Angeles County Department of Public Health, Environmental Health Division. See how SepticPro site plans work.

Other California counties

Data checked 2026-05-11. Always confirm requirements with Los Angeles County Department of Public Health, Environmental Health Division before applying.