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AEI ConsultantsLicensed

Licensed radon professional based in Walnut Creek, Contra Costa County, CA

CompanyMara Rothacher
License numberRT2065
License typeRadon Tester
License statusActive, Ohio ODH licensed
License expiresMay 1, 2027
Based inWalnut Creek, Contra Costa County, California 94597

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #RT2065 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Checked against ODH radon licensure data, last checked 2026-11-02. See the issuing agency.

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