GroundRosterJohns Septic ServiceLicensed
| Name | Johns Septic Service |
| License number | 4183B, 4183H, 4183E3 |
| License type | Class B (Standard-Designer) · Class E (System Contractor) · Class H (Systems Inspector) |
| License status | Approved |
| Location | Seaford, Delaware 19973 |
| Phone | (302) 629-7137 |
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What this license covers
- Design: licensed to size and lay out a septic system for a specific site and soil condition.
- 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 Delaware's official licensing records; we do not vouch for the business itself. Before hiring, look up license #4183B, 4183H, 4183E3 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees, last checked 2026-08-16. Verify at the official source.
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