Know Radon Inc

325 Standish St
Elgin IL 60123
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KNOW RADON is serving homeowners in Lake, Cook, DuPage, McHenry, Will, Kendall, Kane, Lee, Boone, Winnebago & Dekalb counties as well as Southern Wisconsin. We offer complete radon testing services. We are licensed and certified by the Illinois Emergency Management Agency and insured for testing of radon gas.