GroundRosterMarc K LongestLicensed
| Name | Marc K Longest |
| License number | 1940001394 |
| License type | Master Conventional Onsite Soil Evaluator |
| License status | Current |
| License expires | 2028-02-29 |
| Based in | Locust Hill, Virginia 23092 |
"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
- Site testing: licensed to run percolation tests and evaluate soils to determine what kind of system a site can support.
How to verify this license
We publish the license details exactly as they appear in Virginia's official licensing records; we do not vouch for the business itself. Before hiring, look up license #1940001394 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Virginia Department of Professional and Occupational Regulation (DPOR) - regulant list, last checked 2026-08-16. Verify at the official source.
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