GroundRosterJohn WhittakerLicensed
| Name | John Whittaker |
| License number | 1940001676, 1944002547 |
| License type | Master Alternative Onsite Sewage System Installer ยท Master Alternative Onsite Soil Evaluator |
| License status | Current |
| License expires | 2027-07-31 |
| Based in | White Post, Virginia 22663 |
"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.
- 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 Virginia's official licensing records; we do not vouch for the business itself. Before hiring, look up license #1940001676, 1944002547 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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