GroundRosterWilliam A. MellenLicensed
| Name | William A. Mellen |
| License number | 049-011745 |
| License type | Private Sewage Installation License |
| License status | Active - IDPH licensed private sewage contractor |
| Location | Antioch, Illinois 60002 |
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How to verify this license
We publish this listing exactly as it appears in Illinois's official licensing records; we do not vouch for the business itself. Before hiring, look up license #049-011745 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Illinois Dept. of Public Health - Private Sewage Installation & Pumping licence lookup, last checked 2026-08-19. Verify at the official source.
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