GroundRosterLewis Roggenbuck Const LLCLicensed
| Name | Lewis Roggenbuck Const LLC |
| Company | Robert Roggenbuck |
| License number | MI 229 |
| License type | Installer |
| License status | Active - King County certified master installer |
| Based in | Vashon, Washington 98070 |
| Phone | (206) 391-1184 |
"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 Washington's official licensing records; we do not vouch for the business itself. Before hiring, look up license #MI 229 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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