GroundRosterSeptic ProsLicensed
| Name | Septic Pros |
| Company | Cory Sparks |
| License number | 177, KC2025-08 |
| License type | Onsite System Maintainer ยท Pumper/Hauler |
| License status | Active - King County certified onsite system maintainer; Active - King County certified liquid waste pumper/hauler |
| Location | Tacoma, Washington 98421 |
| Phone | (206) 571-7170 |
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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 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 #177, KC2025-08 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 + King County Public Health - Certified Liquid Waste Pumper/Hauler, last checked 2026-08-19. Verify at the official source.
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