St. Louis Radon Test and Mitigation LLC
Licensed ContractorLicensed under the IL radon program.
St. Louis Radon Test and Mitigation LLC is based in Saint Louis, MO but holds its radon license in IL, not in Missouri. Contractors licensed across a state line are common near borders and in metro areas that span one, but it is worth asking about travel and scheduling before you book.
The roster lists a single license for this business, a Mitigation Professional under number RNM2016210. One licensed professional is the norm for an owner-operator, and it does mean scheduling depends on one person's calendar.
Every license on record here is for mitigation, meaning installing the system. If you still need the house tested first, that is a separate credential and you may need a second provider.
License on record
| Licensee | License type | Number | State |
|---|---|---|---|
| Summa, Cherie | Mitigation Professional | RNM2016210 | IL |
This record was pulled from the official state roster listed below. Licenses can lapse, transfer, or be revoked after the date we pulled them (last pull: 2026-08-05). Always confirm current license status directly with the state agency before hiring.
- Illinois Emergency Management Agency (IEMA) Radon Tracking System · pulled 2026-08-05 Official lookup
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