GroundRosterWalker And SonsLicensed
| Name | Walker And Sons |
| License number | 18-366-18003, 18-366-18004 |
| License type | Licensed Onsite Wastewater Installer - Tier 3 |
| License status | In Effect — on SC DES's OSWW licensed-contractor registry |
| Based in | Ridgeville, South Carolina 29472 |
| Phone | (843) 532-4036 |
"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in South Carolina's official licensing records; we do not vouch for the business itself. Before hiring, look up license #18-366-18003, 18-366-18004 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: South Carolina DES - OSWW licensed-contractor registry, last checked 2026-08-16. Verify at the official source.
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