GroundRosterMatthew Charles OlmstedLicensed
| Name | Matthew Charles Olmsted |
| License number | 049-035371 |
| License type | Private Sewage Installation License |
| License status | Active - IDPH licensed private sewage contractor |
| Based in | Alton, Madison County, Illinois 62002 |
"Based in" is the city and county of the address 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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How to verify this license
We publish the license details exactly as they appear in Illinois's official licensing records; we do not vouch for the business itself. Before hiring, look up license #049-035371 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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