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Barnett Real Estate Inspection, LLC

Grain Valley, Missouri. Testing

1 Kansas state license verified against the Kansas Department of Health and Environment, Kansas Radon Program list, last checked October 4, 2026.

Credentials

Licenses and certifications

1 credential is on file for this business, exactly as the issuer's list printed it.

These are Kansas licenses, and the business address is in Missouri.

Radon411 has no Missouri record for this business. Before hiring it for a home in Missouri, check what Missouri asks for. What Missouri requires

Kansas state license (1)

Issued by the Kansas Department of Health and Environment, Kansas Radon Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. KS-MS-0626Kansas certified radon measurement technicianVerified October 4, 2026Verify KS-MS-0626 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab)

Licensing in Missouri

Ask Missouri Radon Program what it requires before you hire.

Missouri Radon Program, Missouri Department of Health and Senior Services, 573-751-6102.

What Missouri requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in Grain Valley

Grain Valley lies in Jackson County, where 44.1% of 204 radon tests reported to CDC (2023) were at or above 4 pCi/L, 8.4 points above Missouri pooled (35.7%), 2nd of 7 Missouri counties with 30 or more tests.

Radon test figures for the county Grain Valley lies in
CountyTestsAt or above 4 pCi/LMedianMissouri, pooledRank in the stateEPA zone
Jackson County20444.1%3.4 pCi/L35.7%2 of 7Zone 1

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.

The counties around Grain Valley

Around Jackson County, where Grain Valley lies, the nearest Missouri counties with a CDC figure for 2023 run from 22.6% to 44.6% of tests at or above 4 pCi/L; the closest, Clay County, is 21 miles away at 44.6%.

The nearest Missouri counties to Jackson County with 30 or more tests, 2023
CountyDistanceTestsAt or above 4 pCi/LMedian
Clay County21 mi8344.6%3.6 pCi/L
Boone County110 mi6342.9%3.6 pCi/L
Greene County133 mi4827.1%2.9 pCi/L
St. Charles County199 mi10340.8%3.4 pCi/L
St. Louis County212 mi44322.6%2.0 pCi/L
Jefferson County212 mi3638.9%3.4 pCi/L

Nearby

Radon professionals nearest Grain Valley

More radon professionals in Grain ValleyMore radon professionals in Missouri

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