GroundRosterSteven McMasterLicensed
| Name | Steven McMaster |
| License number | 03936 |
| License type | Septic System Installer |
| License status | Active — NH DES Designer/Installer roster |
| Location | Derry, New Hampshire 03038 |
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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 this listing exactly as it appears in New Hampshire's official licensing records; we do not vouch for the business itself. Before hiring, look up license #03936 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: NH DES - Septic System Designers & Installers, last checked 2026-08-16. Verify at the official source.
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