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Rimkus

Houston, Texas. Testing

1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.

Call Rimkus at (800) 580-3228

Credentials

Licenses and certifications

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

These are Illinois licenses, and the business address is in Texas.

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

Illinois state license (1)

Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on November 11, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNI20242361Measurement ProfessionalVerified November 11, 2026Verify RNI20242361 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)

Licensing in Texas

Texas's radon program says the state does not license or certify radon professionals.

Texas Radon Group, Texas Tech University.

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

Local radon figures

Radon in Houston

Houston lies partly in Fort Bend County, where 2.9% of 105 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 7.3 points below Texas pooled (10.2%), 16th of 22 Texas counties with 30 or more tests.

Radon test figures for the counties Houston lies in
CountyTestsAt or above 4 pCi/LMedianTexas, pooledRank in the stateEPA zone
Fort Bend County1052.9%0.2 pCi/L10.2%16 of 22Zone 3
Harris County7332.9%0.4 pCi/L10.2%15 of 22Zone 3
Montgomery County1883.2%0.8 pCi/L10.2%14 of 22Zone 3

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Houston

Around Fort Bend County, one of the counties Houston lies in, the nearest Texas counties with a CDC figure for 2008 to 2017, laboratory run from 0.0% to 16.7% of tests at or above 4 pCi/L; the closest, Brazoria County, is 30 miles away at 6.3%.

The nearest Texas counties to Fort Bend County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Brazoria County30 mi326.3%0.3 pCi/L
Galveston County50 mi730.0%0.2 pCi/L
Brazos County84 mi470.0%0.5 pCi/L
Travis County133 mi4269.2%0.9 pCi/L
Williamson County134 mi1031.9%0.7 pCi/L
Bell County146 mi3016.7%1.3 pCi/L

Nearby

Radon professionals nearest Houston

More radon professionals in HoustonMore radon professionals in Texas

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