GroundRosterWarren & Nelson Grading & ConstLicensed
| Name | Warren & Nelson Grading & Const |
| License number | 3620, 3620I |
| License type | Certified Onsite Wastewater Inspector · Certified Onsite Wastewater System Contractor - Grade IV |
| License status | Current — on the NCOWCICB certified list effective 2026-07-15 |
| Location | Smyrna, North Carolina |
| Phone | (252) 432-6030 |
Request a quote from Warren & Nelson Grading & Const
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 this listing exactly as it appears in North Carolina's official licensing records; we do not vouch for the business itself. Before hiring, look up license #3620, 3620I directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: NCOWCICB - certified onsite wastewater contractor and inspector list, last checked 2026-08-16. Verify at the official source.
Are you Warren & Nelson Grading & Const? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.