Septic System Installer License in California

Everything you need to know about getting your septic system installer license in California. A state license is required.

How to Get Licensed: Step by Step

1

Meet Basic Requirements

Be at least 18 years old with a valid ID. Pass a background check.

2

Complete Education

High school diploma or GED; environmental health coursework preferred

3

Gain 2 Years of Experience

Minimum 2 years of septic system installation and maintenance experience.

4

Pass the Septic System Installer Exam

Register with State Health Department and pass the required licensing exam.

5

Obtain Insurance & Bonding

Secure General Liability, Pollution Liability insurance and a $14,000 surety bond.

6

Submit Application

Apply to the California Contractors State License Board (CSLB). Pay the application and license fees.

Requirements

Age Requirement18+
Experience2 years — Minimum 2 years of septic system installation and maintenance experience.
EducationHigh school diploma or GED; environmental health coursework preferred
Background CheckRequired

Fee Breakdown

Application Fee$105
License Fee$210
Exam Fee$140
Total Initial Cost$455
Renewal Fee (every 2 years)$140

Exam Information

Exam Name
Septic System Installer Exam
Provider
State Health Department
Exam Fee
$140

Insurance & Bonding

Insurance Requirements

Required Types:

  • General Liability
  • Pollution Liability

Minimum Coverage:

$500,000 per occurrence / $1,000,000 aggregate

Surety Bond

A surety bond of $14,000 is required.

Continuing Education

Hours Required
8 hours
Period
Every 2 years

License Reciprocity

California has reciprocity agreements with the following states. This typically means the trade exam may be waived, but you'll still need to meet other state requirements.

Frequently Asked Questions

Do I need a license to work as a septic system installer in California?
Yes, California requires a state license for septic system installers. The license is issued by the California Contractors State License Board (CSLB).
How much does a septic system installer license cost in California?
The total initial cost is approximately $455, which includes the application fee ($105), license fee ($210), and exam fee ($140). Renewal costs $140 every 2 years.
How long does it take to get a septic system installer license in California?
You'll need 2 years of experience before you can apply. Once you meet all requirements, the application process typically takes 4-8 weeks.
Is there a septic system installer exam in California?
Yes, you must pass the Septic System Installer Exam, administered by State Health Department. The exam fee is $140.
Does California have reciprocity with other states for septic system installer licenses?
Yes, California has reciprocity agreements with 4 other states. This may waive the trade exam, but you'll still need to meet other requirements.

Last verified: March 4, 2026

Information sourced from California Contractors State License Board (CSLB). Always verify directly with the licensing authority for the most current requirements.

See something inaccurate?

Licensing requirements change frequently. If you notice outdated or incorrect information about California Septic System Installer License, please let us know.

Other Trades in California

Septic System Installer in Other States