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Certified Radon Solutions

Radon professional based in Mansfield, Bristol County, MA

Contact on the state list	Steven Guilfoy
Listed as	Radon Mitigation Professional
Status	NRPP certified, on the Massachusetts DPH list; Massachusetts does not certify radon professionals
Based in	Mansfield, Bristol County, Massachusetts

"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 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 Massachusetts DPH lists of nationally certified radon professionals, last checked 2026-11-02. See the issuing agency.

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