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Riley McMahon

Name: Riley McMahon
Address: CA

Radon professional in California

Certificate or license number	24MS002-RMS
Listed as	Radon Measurement Professional
Status	Nationally certified, on the California CDPH list; the list is not an endorsement
License expires	January 30, 2027
State	California
Per the state list	Does not test single-family homes

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How to verify this license

We publish these details as they appear on the state list. Being on it is not a state license, and we do not vouch for the business. Before hiring, ask to see a current radon certification and a current certificate of insurance.

Checked against California Department of Public Health certified radon service provider lists, last checked 2026-11-02. See the issuing agency.

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