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Andrew J. ClarkLicensed

Licensed radon professional based in Timonium, Baltimore County, MD

License numberRT000806
License typeRadon Tester
License statusActive, WV OEHS licensed
Based inTimonium, Baltimore County, Maryland 21093

"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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How to verify this license

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 #RT000806 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Checked against WV OEHS radon license search, last checked 2026-11-02. See the issuing agency.

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