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Honest Home Performance and Radon Solutions

Marshalltown, Iowa. Testing and mitigation

2 Iowa state licenses verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked November 3, 2026.

Call Honest Home Performance and Radon Solutions at (641) 485-0432

Credentials

Licenses and certifications

2 credentials are on file for this business, each exactly as the issuer's list printed it.

Iowa state licenses (2)

Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Mitigation licenseNo. RNMIT10129Credentialed Radon Mitigation SpecialistVerified November 3, 2026Verify RNMIT10129 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)
Testing licenseNo. RNTST10264Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10264 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)

Licensing in Iowa

Iowa's radon program says the state licenses or certifies radon professionals.

Iowa HHS Radon Program, Iowa Department of Health and Human Services, (515) 281-4928.

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

Local radon figures

Radon in Marshalltown

Marshalltown lies in Marshall County, where 70.2% of 570 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 11.7 points above Iowa pooled (58.5%), 29th of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Marshalltown lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Marshall County57070.2%8.2 pCi/L58.5%29 of 99Zone 1

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 Marshalltown

Around Marshall County, where Marshalltown lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 59.9% to 73.3% of tests at or above 4 pCi/L; the closest, Story County, is 24 miles away at 59.9%.

The nearest Iowa counties to Marshall County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Story County24 mi2,56859.9%5.0 pCi/L
Tama County24 mi33367.9%7.0 pCi/L
Jasper County24 mi74673.3%8.2 pCi/L
Hardin County27 mi34962.8%5.6 pCi/L
Grundy County27 mi50166.9%6.9 pCi/L
Poweshiek County34 mi41970.6%7.2 pCi/L

Nearby

Radon professionals nearest Marshalltown

More radon professionals in MarshalltownMore radon professionals in Iowa

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