Do I need a separate license for well drilling and septic system installation?

No, the California Well Driller / Septic Installer License covers both well drilling and septic system installation under the same license.

Is the examination difficult to pass?

The difficulty of the examination varies based on your experience and preparation. It is essential to study and understand the regulations and best practices in well drilling and septic system installation.

What happens if my license application is denied?

If your application is denied, you will receive feedback on the reasons. You may address these issues and reapply, ensuring compliance with all requirements.

Can I operate while waiting for my license to be approved?

No, you must have an approved and active license before legally operating a well drilling and septic systems business in California.

What types of liability insurance are required?

The specific insurance requirements can depend on your business size and scope. It's best to consult with an insurance provider to ensure you meet state requirements.

Well Drilling and Septic Systems License Requirements in California (2026 Guide)

Licensing Requirements

Well Drilling and Septic Systems License Requirements in California — Full checklist of California requirements, fees, and steps.
Well Drilling and Septic Systems License in Alaska
Well Drilling and Septic Systems License in Hawaii
Well Drilling and Septic Systems License in Oregon
Well Drilling and Septic Systems Licensing — All States — State-by-state well drilling and septic systems licensing overview.

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