GroundRosterDarwin H CrespinLicensed
| Name | Darwin H Crespin |
| License number | 1942001881 |
| License type | Journeyman Alternative Onsite Sewage System Operator |
| License status | Current |
| License expires | 2027-01-31 |
| Based in | Leesburg, Virginia 20175 |
"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
- 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 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 #1942001881 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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