GroundRosterPuget Sound SepticLicensed
| Name | Puget Sound Septic |
| Company | Josh Dorrough |
| License number | MI 312 |
| License type | Installer |
| License status | Active - King County certified master installer |
| Location | Maple Valley, Washington 98038 |
| Phone | (425) 806-9009 |
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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 Washington's official licensing records; we do not vouch for the business itself. Before hiring, look up license #MI 312 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: King County Public Health - Master Installers (OSS), last checked 2026-08-19. Verify at the official source.
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