Inspector School

Become a Licensed Septic Inspector

Embark on a rewarding career by becoming a licensed septic inspector in North Carolina. Our comprehensive 24-hour Septic Inspector Certification Class, coupled with a 6-hour Continuing Education course, prepares you thoroughly for the Septic Inspector Exam. With our expert guidance, navigate the certification process smoothly and excel in a high-demand field. Register for upcoming training sessions, and take the first step toward achieving your certification today.


  • This class is provided by Onsite Wastewater Professionals. Register for the next Septic Inspector class under the Classes & Events page.

  • The continuing education required to become a certified septic inspector are provided by Onsite Wastewater Professionals and can be found under the Classes & Events page.

  • This exam is held four times a year and must be applied for 15 days in advance through the North Carolina Onsite Wastewater Contractor Inspector Certification Board (NCOWCICB).

  • Mail your application for certification, certification fee, required course attendance certificates, and exam application to NCOWCICB P.O. Box 132 Lawsonville, NC 27022.

    The certification fee for Inspector is $200.

  • Certifications expire annually on December 31st and require continuing education for renewal, due by November 15th. Inspectors need 6 hours of continuing education.

    Continuing Education Classes can be found under Classes & Events.

Septic Inspector Study Guide and Practice Exam

Brush up on topics you learned in Inspector School before your exam. Includes copies of the rules, a study guide, video review and practice exam.