Certified radon testers & mitigatorsIllinois — testing — verified 29 Aug 2026

§ 4.1 — West Chicago, IL

Certified radon testing in West Chicago, IL

2 current listings from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology IL IEMA.

Certified radon testingCertified radon mitigation

  1. Burke, Joseph

    Radon & Mold Testing Services

    current IL IEMA № RNI2006202

    testing

    630-935-2888August 29, 2026cite ↗

  2. Williams, Jason

    Wilmen Home Llc

    current IL IEMA № RNI2020216

    testing

    630-733-1202August 29, 2026cite ↗
Fig. 4 — West Chicago, IL, approximate. Pin is the city on the official file, not a street address.

Appendix A — Before you hire

  1. Who holds the credential, and can they show the same number that appears on this page?
  2. What test method or mitigation system will they use for this building?
  3. How will they document results or the finished system?

§ 4.3

Nearby places in Illinois

Illinois IEMA licenses radon measurement and mitigation professionals and technicians. The people below appear on the active licensee listing we imported. Read the methodology. Credential status can change.