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Up North Radon LLC

Name: Up North Radon LLC
Address: Fargo, ND

Radon professional based in Fargo, Cass County, ND

Contact on the state list	Jellay Welder
Listed as	Radon Measurement and Mitigation Contractor
Status	On the North Dakota DEQ contractor list; the list is not an endorsement
Based in	Fargo, Cass County, North Dakota
Cities and travel, per the state list	Fargo, Grand Forks, Wahpeton

"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 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 North Dakota DEQ radon contractor list, last checked 2026-11-02. See the issuing agency.

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