§ 4.1 — Mundelein, IL

Radon testing in Mundelein, IL

This page lists 18 people and firms with a current radon testing credential whose official record names Mundelein, IL. Each row shows the credential number, the issuing body, and its own verification date. The latest record check on this page was October 13, 2026; other records may have been checked earlier. Source: IL IEMA. Verify the number before you hire.

Latest credential check October 13, 2026. Methodology Individual record dates may be earlier. IL IEMA.

Radon testingRadon mitigation

Testing listings are people credentialed to measure radon. Mitigation listings are people credentialed to install a reduction system. Some people appear on both pages when the official file says they hold both.

Aksland, David
Legacy Inspection Group
current IL IEMA № RNIT20231988
testing
847-217-5958October 13, 2026cite ↗
Burke, Robert
Legacy Inspection Group
current IL IEMA № RNIT2008229
testing
847-217-5958October 13, 2026cite ↗
Catanese, David
Legacy Inspection Group
current IL IEMA № RNIT2007210
testing
847-217-5958October 13, 2026cite ↗
Catanese, Paul
Legacy Inspection Group
current IL IEMA № RNI20231862
testing
847-217-5958October 13, 2026cite ↗
Chan, Michael
Legacy Inspection Group
current IL IEMA № RNIT20263569
testing
847-217-5958October 13, 2026cite ↗
Dixon, Michael
Legacy Inspection Group
current IL IEMA № RNIT2018227
testing
847-217-5958October 13, 2026cite ↗
Drury, Dawn
Radon Tec
current IL IEMA № RNI2017201
testing
312-246-2756October 13, 2026cite ↗
Flores Gonzalez, Ricardo
Legacy Inspection Group
current IL IEMA № RNIT20242428
testing
847-217-5958October 13, 2026cite ↗
Hauck, Michael
Legacy Inspection Group
current IL IEMA № RNIT20242444
testing
847-217-5958October 13, 2026cite ↗
Johnson, Paul
Legacy Inspection Group
current IL IEMA № RNIT2015218
testing
847-217-5958October 13, 2026cite ↗
Mikalcius, Vitas
Legacy Inspection Group
current IL IEMA № RNIT2019219
testing
847-217-5958October 13, 2026cite ↗
Papciak, Larry
Legacy Inspection Group
current IL IEMA № RNIT2017207
testing
847-217-5958October 13, 2026cite ↗
Perry, Christopher
Legacy Inspection Group
current IL IEMA № RNIT2022230
testing
847-217-5958October 13, 2026cite ↗
Ritter, David
Legacy Inspection Group
current IL IEMA № RNIT20232149
testing
847-217-5958October 13, 2026cite ↗
Schneider, Max
Legacy Inspection Group
current IL IEMA № RNIT2022210
testing
847-217-5958October 13, 2026cite ↗
Shambrook, William
Legacy Inspection Group
current IL IEMA № RNIT2022214
testing
847-217-5958October 13, 2026cite ↗
Shriver, Derek
Legacy Inspection Group
current IL IEMA № RNIT2022212
testing
847-217-5958October 13, 2026cite ↗
Toronyi, Timothy
Legacy Inspection Group
current IL IEMA № RNIT20242727
testing
847-217-5958October 13, 2026cite ↗

Fig. 4 — Each pin is a current listing at the Census city or county centroid on the file, approximate. Pins that share a place are spread so you can click them. Not street addresses.

Appendix A

Questions before you hire

How do I verify a radon credential listed for Mundelein, IL?

Open the source link on this page and match the name and credential number to IL IEMA. Status can change after a record’s verification date. The latest record check on this page was October 13, 2026; check each record’s date. If the official page disagrees with this directory, trust the official page. We do not invent credential numbers.

Does EPA certify radon contractors?

The U.S. EPA does not certify radon contractors. EPA publishes guidance on finding a qualified radon service provider and points to state programs and national certifications. This directory is not affiliated with EPA. We do not display EPA-certified badges.

What does last verified mean on this page?

Last verified on an individual record is the date we checked its official source. The latest credential check on this page was October 13, 2026; other records may have earlier dates. We refresh the roster monthly. Current means the person appeared as currently credentialed on the source at that record’s verification date. Credentials can expire between refreshes, so follow the source link.

Appendix A.2

Before you hire

Ask who holds the credential printed on this page, and ask them to show the same number. Some firms employ several credentialed people. The listing is the person or firm on the official file, not whoever answers the phone.
Ask what test method or mitigation system they will use for this building. A credential is not a work plan. Testing and mitigation are separate services here, and a person appears on both lists only when the official file says they hold both.
Ask how they will document test results or the finished mitigation system. Keep that document with the credential number you verified. This directory does not score jobs, publish reviews, or collect quotes.

The full checklist: Certified radon tester: what they do and how to hire one

§ 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.