Sam MastersLicensed
License details
| License number | 9330, 9330I |
| License type | Certified Onsite Wastewater Inspector · Certified Onsite Wastewater System Contractor - Grade IV |
| License status | Current, on the NCOWCICB certified list effective 2026-09-16 |
| License issued | August 30, 2022 |
| Based in | Raleigh, Wake County, North Carolina |
"Based in" is the city and county of the address on the business's license record.
What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
- Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #9330, 9330I directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: NCOWCICB - certified onsite wastewater contractor and inspector list, last checked 2026-09-23. Verify at the official source.
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