GroundRosterWalker Septic Design & Repair, LLCLicensed
| Name | Walker Septic Design & Repair, LLC |
| Company | Daniel Walker |
| License number | 85 |
| License type | Onsite System Maintainer |
| License status | Active - King County certified onsite system maintainer |
| Based in | Auburn, Washington 98092 |
| Phone | (253) 569-4988 |
"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
- Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
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 #85 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: King County Public Health - Onsite System Maintainers, last checked 2026-08-19. Verify at the official source.
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