Honolulu County, HI septic permits and regulations

Septic systems in Honolulu County, Hawaii are permitted by Hawaii State Department of Health Wastewater Branch under HAR Chapter 11-62.

Septic permit program

  • Program type: State Agency
  • Authorized agent: Honolulu County County Health Department
  • Own septic program: No, uses Hawaii state rules
  • Local rules beyond the state: No
  • Population: 1,016,508

Permit fee comparison

Average septic permit fee in Honolulu County: $181. Hawaii average: $181.

Local rules

County operates under state-level Hawaii Admin. Rules Title 11, Chapter 62. Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Honolulu County

  • 20 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

Create a free account to see the full details.

Draw a permit-ready site plan for Honolulu County

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Hawaii State Department of Health Wastewater Branch. See how SepticPro site plans work.

Other Hawaii counties

Data checked 2026-05-12. Always confirm requirements with Hawaii State Department of Health Wastewater Branch before applying.