Official-source review: August 24, 2026
South Carolina septic installer license: South Carolina licenses septic installers in three tiers. Tier 1 covers conventional systems, Tier 2 adds defined advanced systems, and Tier 3 adds specialized systems with experience, discipline-history, bond and insurance conditions.
What the South Carolina septic installer license covers
South Carolina licenses septic installers in three tiers. Tier 1 covers conventional systems, Tier 2 adds defined advanced systems, and Tier 3 adds specialized systems with experience, discipline-history, bond and insurance conditions.
- Installation of onsite wastewater systems authorized by the license tier and site permit.
- Work only within the classification and group issued.
- Obtain every local permit and inspection.
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South Carolina septic installer license requirements at a glance
| Requirement | Current rule or route |
|---|---|
| Route | SCDES Tier 1, Tier 2 or Tier 3 onsite wastewater installer license with examination and tier-specific education |
| Experience | Tier 3 generally requires three active South Carolina years or five active out-of-state years with qualifying discipline history; lower tiers follow their application conditions. |
| Exam | Pass the installer examination with a score of at least 80 percent. |
| Fees | Annual Tier 1 or 2 installer license: $100; Tier 3: $200. Site permits, education, bond and insurance are separate. |
| Insurance or bond | Tier 3 must be bonded and insured; business coverage applies to all installers as required. |
| Renewal | Renew annually and submit the required biennial continuing education. |
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 South Carolina septic installer license process
- Identify the residential, commercial or specialty scope.
- Complete the required experience and training.
- Obtain approval and pass each required examination.
- Submit the application, supporting records and current fee.
- Complete insurance, bond, business and permit requirements.
- Renew on time and retain compliance 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 South Carolina rules and boundaries
- Residential and commercial credentials are separate.
- State licensing does not replace local permits.
- Contract value can change the required route.
- The responsible authority makes the final eligibility decision.
South Carolina 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.
South Carolina septic installer license cost and renewal
Budget separately for applications, examinations, training, insurance, bonds, business filings and permits.
Renew each individual, company and specialty credential separately and confirm current fees before filing.
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.
South Carolina 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, but local business licensing, permits and inspections still apply.
Is an exam required?
Pass the installer examination with a score of at least 80 percent.
When does it renew?
Renew annually and submit the required biennial continuing education.
Are local permits separate?
Yes.
Official sources used
Verified licensing details
- Licensing authority
- South Carolina Department of Environmental Services
- Fees
- Annual Tier 1 or 2 installer license: $100; Tier 3: $200. Site permits, education, bond and insurance are separate.
- Experience
- Tier 3 generally requires three active South Carolina years or five active out-of-state years with qualifying discipline history; lower tiers follow their application conditions.
- Exams
- Pass the installer examination with a score of at least 80 percent.
- Insurance or bond
- Tier 3 must be bonded and insured; business coverage applies to all installers as required.
- Continuing education
- Beginning July 2025, complete tier-specific continuing education every two years; Tier 3 requires 18 hours.
- Renewal period
- Renew annually and submit the required biennial continuing education.
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.