Radon Dave LLC
Westmont, IL
Listed for: Testing
Verified:Illinois state license
Call Radon Dave LLC at (312) 371-1519No website listed
ProfessionalsBusiness profile
Radon Detection Specialists, Inc.
Westmont, Illinois. Testing
40 Illinois state licenses verified against the Illinois Emergency Management Agency (IEMA) list, last checked October 4, 2026.
1 Iowa state license verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked October 4, 2026.
2 Kansas state licenses verified against the Kansas Department of Health and Environment, Kansas Radon Program list, last checked October 4, 2026.
1 Nebraska state license verified against the Nebraska Department of Health and Human Services, Radon Program list, last checked October 4, 2026.
Credentials
Licenses and certifications
44 credentials are on file for this business, each exactly as the issuer's list printed it.
Illinois state licenses (40)
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.
Iowa state license (1)
Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. RNTST10227 | Certified Radon Measurement Specialist | Verified October 4, 2026 | Verify RNTST10227 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab) |
Kansas state licenses (2)
Issued by the Kansas Department of Health and Environment, Kansas Radon Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026. No expiry date is on the record.
| License | Number | Status on the list | Verified | Check with the issuer |
|---|---|---|---|---|
| Testing license | No. KS-MS-0677 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0677 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
| Testing license | No. KS-MS-0678 | Kansas certified radon measurement technician | Verified October 4, 2026 | Verify KS-MS-0678 with the Kansas Department of Health and Environment, Kansas Radon Program (opens in a new tab) |
Nebraska state license (1)
Issued by the Nebraska Department of Health and Human Services, Radon Program, not by NRPP or NRSB. Radon411 last checked the list on October 4, 2026.
| License | Number | Status on the list | Expires | Verified | Check with the issuer |
|---|---|---|---|---|---|
| Testing license | No. RMB-1274 | Licensed Radon Measurement Business | Expires March 31, 2027 | Verified October 4, 2026 | Verify RMB-1274 with the Nebraska Department of Health and Human Services, Radon Program (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
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
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