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Ohio Property Inspection ServicesLicensed

Licensed radon professional based in Cedarville, Greene County, OH

CompanyJohn Helmick
License numberRT962
License typeRadon Tester
License statusActive, Ohio ODH licensed
License expiresNovember 30, 2027
Based inCedarville, Greene County, Ohio 45314

"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 #RT962 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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