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McMaster Property Inspections LLCLicensed

Licensed radon professional based in Tiffin, Seneca County, OH

Company	Nathaniel McMaster
License number	RT2170
License type	Radon Tester
License status	Active, Ohio ODH licensed
License expires	June 9, 2028
Based in	Tiffin, Seneca County, Ohio 44883

"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 #RT2170 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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