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City Home Inspectors, LLC

Oak Park, Illinois. Testing

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

Call City Home Inspectors, LLC at (866) 422-9843

Credentials

Licenses and certifications

1 credential is on file for this business, 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. RNI20231887Measurement ProfessionalVerified November 11, 2026Verify RNI20231887 with the Illinois Emergency Management Agency (IEMA) (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 Oak Park

Oak Park lies 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 county Oak Park lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Cook County26,93719.4%1.9 pCi/L33.7%67 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 Oak Park

Around Cook County, where Oak Park lies, 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, DuPage County, is 14 miles away at 33.7%.

The nearest Illinois counties to Cook County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
DuPage County14 mi19,40133.7%2.7 pCi/L
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

Nearby

Radon professionals nearest Oak Park

More radon professionals in Oak ParkMore radon professionals in Illinois

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