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Castle Home Inspection

Naperville, Illinois. Testing

8 Illinois state licenses verified against the Illinois Emergency Management Agency (IEMA) list, last checked October 4, 2026.

Credentials

Licenses and certifications

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

Illinois state licenses (8)

Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNI2014205Measurement ProfessionalVerified October 4, 2026Verify RNI2014205 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNI20263341Measurement ProfessionalVerified October 4, 2026Verify RNI20263341 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2013206Measurement TechnicianVerified October 4, 2026Verify RNIT2013206 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2018232Measurement TechnicianVerified October 4, 2026Verify RNIT2018232 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT2021206Measurement TechnicianVerified October 4, 2026Verify RNIT2021206 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20252872Measurement TechnicianVerified October 4, 2026Verify RNIT20252872 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20263347Measurement TechnicianVerified October 4, 2026Verify RNIT20263347 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20263355Measurement TechnicianVerified October 4, 2026Verify RNIT20263355 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.

The Agency also licenses and regulates the individuals who provide radon measurement and mitigation to the public.
IEMA-OHS Radon Program, read October 3, 2026

IEMA-OHS Radon Program

Illinois Emergency Management Agency and Office of Homeland Security

Its page covers who may test and fix radon in the state and the disclosure rule for home sales.

Phone (800) 325-1245

Visit the program's page (opens in a new tab)Read October 3, 2026

What Illinois requires, and how to check a credential

Nearby

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