Mark M TompkinsLicensed
License details
| License number | 5200205 |
| License type | On-Site Wastewater Inspector |
| License status | Active, Washington DOH credential |
| Based in | Friday Harbor, San Juan County, Washington |
"Based in" is the city and county of the address on the business's license record.
What this license covers
- Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.
How to verify this license
We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #5200205 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Washington State Dept. of Health - Credential Search, last checked 2026-08-17. Look it up at the issuing agency.
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