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Multifamily Radon, Inc

Chicago, Illinois. Testing

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

1 Nebraska state license verified against the Nebraska Department of Health and Human Services, Radon Program list, last checked November 3, 2026.

1 Ohio state license verified against the Ohio Department of Health, Radon Education and Licensing Program list, last checked November 3, 2026.

Call Multifamily Radon, Inc at (773) 415-6334

Credentials

Licenses and certifications

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

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. RNI2022236Measurement ProfessionalVerified November 11, 2026Verify RNI2022236 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)

Nebraska state license (1)

Issued by the Nebraska Department of Health and Human Services, Radon Program, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026.

LicenseNumberStatus on the listExpiresVerifiedCheck with the issuer
Testing licenseNo. RMB-1250Licensed Radon Measurement BusinessExpires March 31, 2027Verified November 3, 2026Verify RMB-1250 with the Nebraska Department of Health and Human Services, Radon Program (opens in a new tab)

Ohio state license (1)

Issued by the Ohio Department of Health, Radon Education and Licensing Program, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026.

LicenseNumberStatus on the listExpiresVerifiedCheck with the issuer
Testing licenseNo. RT1866Ohio licensed radon testerExpires September 5, 2028Verified November 3, 2026Verify RT1866 with the Ohio Department of Health, Radon Education and Licensing Program (opens in a new tab)

Licensing in Illinois

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

IEMA-OHS Radon Program, Illinois Emergency Management Agency and Office of Homeland Security, (800) 325-1245.

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

Local radon figures

Radon in Chicago

Chicago lies mostly in Cook County, where 19.4% of 26,937 radon tests reported to CDC (2017) were at or above 4 pCi/L, 14.3 points below Illinois pooled (33.7%), 67th of 70 Illinois counties with 30 or more tests.

Radon test figures for the counties Chicago lies in
CountyShare of ChicagoTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Cook County98.9%26,93719.4%1.9 pCi/L33.7%67 of 70Zone 2
DuPage County1.1%19,40133.7%2.7 pCi/L33.7%53 of 70Zone 2

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

The counties around Chicago

Around Cook County, one of the counties Chicago lies in, the nearest Illinois counties with a CDC figure for 2017 run from 27.4% to 40.0% of tests at or above 4 pCi/L; the closest, Will County, is 29 miles away at 40.0%.

The nearest Illinois counties to Cook County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Will County29 mi10,77640.0%3.1 pCi/L
Kane County32 mi8,68236.6%2.8 pCi/L
Lake County35 mi13,05027.4%2.4 pCi/L
Kendall County36 mi3,04535.0%2.8 pCi/L
McHenry County47 mi6,47435.1%2.9 pCi/L
Kankakee County49 mi52231.6%2.7 pCi/L

Nearby

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