| Company | Location | Certifications | License # |
|---|---|---|---|
| Apis Environmental Services | Durham, NC | Inspector | 4678I |
| Bull City Diggin/Demo Llc | Durham, NC | Installer (Level IV) | 6564 |
| Carefree Home Inspection Services | Durham, NC | Inspector | 4556I |
| Carefree Home Inspection Services | Durham, NC | Inspector | 4558I |
| Christopher Lee Moncsko | Durham, NC | Installer (Level II) | 9211 |
| Clean Septic Tank Service | Hillsborough, NC | Installer (Level II) | 14592 |
| Crossroads Site Development | Bahama, NC | Installer (Level IV) | 9939 |
| Earthly Elements Soil Consulting Pllc | Durham, NC | Designer (Soil Evaluator) | 10039E |
| Elizabeth Armstrong | Durham, NC | Installer (Level IV) | 11909 |
| Fessenden Enterprises Llc | Hillsborough, NC | Installer (Level II) | 11988 |
| Jereme Walker | Durham, NC | Installer (Level II) | 14944 |
| Rangel'S Waterproofing Solutions | Durham, NC | Installer (Level II) | 14586 |
| Robert Reeves | Durham, NC | Installer (Level II)Inspector | 15048 |
| Scott'S Backhoe Service | Bahama, NC | Installer (Level IV) | 1951 |
| Scotty'S Sanitation Service Inc | Durham, NC | Installer (Level II) | 11974 |
| Scotty'S Sanitation Services Inc | Durham, NC | Installer (Level II)Inspector | 9237 |
| Sean Holland | Durham, NC | Installer (Level II) | 11369 |
| Snider Construction Llc | Durham, NC | Installer (Level II) | 15414 |
| Stackhouse Management | Durham, NC | Installer (Level II) | 6504 |
| Stacy Spencer | Durham, NC | Installer (Level II) | 15256 |
| The Tradesman Company Llc | Durham, NC | Installer (Level II) | 14289 |
| Third Eye Home Inspections Llc | Durham, NC | Installer (Level II)Inspector | 14632 |
| Tri-Area Septic Solutions Llc | Durham, NC | Installer (Level IV) | 12096 |
| William Gregory Apple | Durham, NC | Installer (Level II) | 14551 |
| Wrenn Mowing & Septic | Durham, NC | Installer (Level II) | 14742 |
25 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Durham County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.