JC Radon Services LLC
Fountain City, WI
Listed for: TestingMitigation
Verified:Minnesota state license
ProfessionalsBusiness profile
Onalaska, Wisconsin. Testing
1 Minnesota state license verified against the Minnesota Department of Health list, last checked November 3, 2026.
Credentials
1 credential is on file for this business, exactly as the issuer's list printed it.
These are Minnesota licenses, and the business address is in Wisconsin.
Radon411 has no Wisconsin record for this business. Before hiring it for a home in Wisconsin, check what Wisconsin asks for. What Wisconsin requires
Issued by the Minnesota Department of Health, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RMEA-00583 | Minnesota radon measurement license | Verified November 3, 2026 | Verify RMEA-00583 with the Minnesota Department of Health (opens in a new tab) |
Wisconsin's radon program says the state does not license or certify radon professionals.
Wisconsin's radon program, Wisconsin Department of Health Services, 1-888-569-7236.
What Wisconsin requires, in its program’s own words, and how to check a credential
Local radon figures
Onalaska lies in La Crosse County, where 31.4% of 771 radon tests reported to CDC (2023) were at or above 4 pCi/L, 4.3 points below Wisconsin pooled (35.7%), 48th of 69 Wisconsin counties with 30 or more tests.
Shares of tests people chose to run and report, by county (2023); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.
Around La Crosse County, where Onalaska lies, the nearest Wisconsin counties with a CDC figure for 2023 run from 22.5% to 53.9% of tests at or above 4 pCi/L; the closest, Monroe County, is 25 miles away at 22.5%.
Nearby
Fountain City, WI
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River Falls, WI
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New Richmond, WI
Listed for: TestingMitigation
Verified:Minnesota state license
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Roberts, WI
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Verified:Minnesota state license
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