John Clason

Radon professional based in Olathe, Johnson County, KS

"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.

Get free quotes

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

Checked against KDHE radon technician list, last checked 2026-11-02. See the issuing agency.

Compare radon professionals based in Olathe

Other radon professionals based in Olathe

See every listing based in Olathe.