GroundRosterRichard M Callahan IIILicensed
| Name | Richard M Callahan III |
| License number | 1940001212, 1942001490 |
| License type | Master Alternative Onsite Soil Evaluator ยท Master Conventional Onsite Sewage System Operator |
| License status | Current |
| License expires | 2028-07-31 |
| Location | Montpelier, Virginia 23192 |
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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.
- Operation: licensed to operate and monitor onsite sewage systems; alternative systems typically require a licensed operator under an ongoing service contract.
How to verify this license
We publish this listing exactly as it appears in Virginia's official licensing records; we do not vouch for the business itself. Before hiring, look up license #1940001212, 1942001490 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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