Official-source review: August 24, 2026
Kentucky septic installer license: Kentucky requires onsite sewage systems to be installed by a certified installer except for limited owner routes. The installer exam is administered through local health departments, is open book, costs $25, requires at least 70 percent and requires proof of liability insurance.

What the Kentucky septic installer license covers
Kentucky requires onsite sewage systems to be installed by a certified installer except for limited owner routes. The installer exam is administered through local health departments, is open book, costs $25, requires at least 70 percent and requires proof of liability insurance.
- Onsite sewage system construction, installation or alteration under certification and the approved site plan.
- Work only within the credential issued.
- Obtain every permit and inspection.
Compare related occupations and states in the License Finder.
Kentucky septic installer license requirements at a glance
| Requirement | Current rule or route |
|---|---|
| Route | Cabinet-certified onsite septic installer after local health-department exam, liability insurance and project permit |
| Experience | Meet the Cabinet’s eligibility route and any applicable prior-installation or master-plumber provision. |
| Exam | Pass the open-book installer examination with at least 70 percent. |
| Fees | The installer exam fee is $25; certification, insurance, permit and inspection costs are separate. |
| Insurance or bond | Provide proof of liability insurance to the local health department. |
| Renewal | Maintain installer certification and insurance under the Cabinet’s current cycle. |
Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.
How to complete the Kentucky septic installer license process
- Choose the exact license or certification.
- Complete education and experience.
- Apply and pass required examinations.
- Submit insurance, business records and fees.
- Obtain project permits and inspections.
- Renew credentials and retain records.
Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.
Important Kentucky rules and boundaries
- Individual and contractor credentials may be separate.
- Related trade classifications are not interchangeable.
- Licensing does not replace permits.
- The responsible authority makes the final determination.
Kentucky may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.
Kentucky septic installer license cost and renewal
Budget separately for training, examinations, applications, insurance, business filings and permits.
Renew individual and business credentials separately and verify current fees.
Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.
Kentucky septic installer license checklist
- Confirm that this credential matches the exact work you will perform.
- Check whether the applicant is an individual, sole owner or separate business entity.
- Collect experience and training records before submitting the application.
- Use the current official form and fee schedule.
- Complete every required examination or approved certification route.
- File bonds, insurance and fingerprints when applicable.
- Check county, city, water supplier and building-permit rules.
- Save the expiration date and renewal requirements.
Frequently asked questions
Is this credential statewide?
The principal credential is statewide; local permits and inspections remain project-specific.
Is an exam required?
Pass the open-book installer examination with at least 70 percent.
When does it renew?
Maintain installer certification and insurance under the Cabinet’s current cycle.
Are permits separate?
Yes.
Official sources used
Verified licensing details
- Jurisdiction
- state license or certification plus project permits
- Licensing authority
- Kentucky Cabinet for Health and Family Services and local health departments
- Fees
- The installer exam fee is $25; certification, insurance, permit and inspection costs are separate.
- Experience
- Meet the Cabinet’s eligibility route and any applicable prior-installation or master-plumber provision.
- Exams
- Pass the open-book installer examination with at least 70 percent.
- Insurance or bond
- Provide proof of liability insurance to the local health department.
- Continuing education
- Complete every initial and continuing-education requirement published for the credential.
- Renewal period
- Maintain installer certification and insurance under the Cabinet’s current cycle.
Official sources
Official sources last checked August 23, 2026.
Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.
