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All-Home Ispection services

Sycamore, Illinois. Testing

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

Call All-Home Ispection services at (815) 751-1875

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. RNI2023211Measurement ProfessionalVerified November 11, 2026Verify RNI2023211 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 Sycamore

Sycamore lies in DeKalb County, where 41.1% of 1,707 radon tests reported to CDC (2017) were at or above 4 pCi/L, 7.4 points above Illinois pooled (33.7%), 40th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Sycamore lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
DeKalb County1,70741.1%3.3 pCi/L33.7%40 of 70Zone 1

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 Sycamore

Around DeKalb County, where Sycamore lies, the nearest Illinois counties with a CDC figure for 2017 run from 35.0% to 52.4% of tests at or above 4 pCi/L; the closest, Kane County, is 18 miles away at 36.6%.

The nearest Illinois counties to DeKalb County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Kane County18 mi8,68236.6%2.8 pCi/L
Kendall County27 mi3,04535.0%2.8 pCi/L
Lee County29 mi21943.8%3.3 pCi/L
Boone County30 mi52546.9%3.4 pCi/L
Ogle County30 mi63652.4%4.1 pCi/L
McHenry County34 mi6,47435.1%2.9 pCi/L

Nearby

Radon professionals nearest Sycamore

More radon professionals in SycamoreMore radon professionals in Illinois

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