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§ 4.1 — Denver, CO

Radon testing in Denver, CO

This page lists 58 people and firms with a current radon testing credential whose official record names Denver, CO. 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: CO DORA. Verify the number before you hire.

Latest credential check October 13, 2026. Methodology Individual record dates may be earlier. CO DORA.

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.

  1. Adams, Zachary, Carter

    current CO DORA № RME-715

    testing

    October 13, 2026cite ↗

  2. Asmussen, Claire

    current CO DORA № RME-599

    testing

    October 13, 2026cite ↗

  3. Bailey, Nicole

    current CO DORA № RME-110

    testing

    October 13, 2026cite ↗

  4. Baker, Madeline

    current CO DORA № RME-723

    testing

    October 13, 2026cite ↗

  5. Bartczak, Adam

    current CO DORA № RME-219

    testing

    October 13, 2026cite ↗

  6. Beaver, Dan, Ray

    current CO DORA № RME-429

    testing

    October 13, 2026cite ↗

  7. Beim, Sydney

    current CO DORA № RME-364

    testing

    October 13, 2026cite ↗

  8. Beros, Christopher

    current CO DORA № RME-752

    testing

    October 13, 2026cite ↗

  9. Bruckner, James

    current CO DORA № RME-625

    testing

    October 13, 2026cite ↗

  10. Burgess, Mi-essha

    current CO DORA № RME-670

    testing

    October 13, 2026cite ↗

  11. Byrne, Zane, Patrick

    current CO DORA № RME-559

    testing

    October 13, 2026cite ↗

  12. Chase, Sarah

    current CO DORA № RME-308

    testing

    October 13, 2026cite ↗

  13. Cleland, Paul

    current CO DORA № RME-563

    testing

    October 13, 2026cite ↗

  14. Cugini, Michael, Daniel

    current CO DORA № RME-721

    testing

    October 13, 2026cite ↗

  15. Damian, Jessika, Jovita

    current CO DORA № RME-780

    testing

    October 13, 2026cite ↗

  16. Daniels, Justin, Alexander

    current CO DORA № RME-400

    testing

    October 13, 2026cite ↗

  17. Daniels, Roxford, Jimmy

    current CO DORA № RME-546

    testing

    October 13, 2026cite ↗

  18. Edwards, Molly

    current CO DORA № RME-325

    testing

    October 13, 2026cite ↗

  19. Erbes, Robert, Rex

    current CO DORA № RME-584

    testing

    October 13, 2026cite ↗

  20. Fast, Paul, Jonathan

    current CO DORA № RME-312

    testing

    October 13, 2026cite ↗

  21. Geisen, David, Charles

    current CO DORA № RME-196

    testing

    October 13, 2026cite ↗

  22. Gilday, Lauren

    current CO DORA № RME-340

    testing

    October 13, 2026cite ↗

  23. Gonzalez, Lee, Roger

    current CO DORA № RME-59

    testing

    October 13, 2026cite ↗

  24. Harper, Jeremy, Dehn

    current CO DORA № RME-458

    testing

    October 13, 2026cite ↗

  25. Havens, Jon

    current CO DORA № RME-466

    testing

    October 13, 2026cite ↗

  26. Hayes, Taylor

    current CO DORA № RME-735

    testing

    October 13, 2026cite ↗

  27. Henderson, Dan

    current CO DORA № RME-136

    testing

    October 13, 2026cite ↗

  28. Hubble, Olivia

    current CO DORA № RME-561

    testing

    October 13, 2026cite ↗

  29. Huff, Tyler

    current CO DORA № RME-152

    testing

    October 13, 2026cite ↗

  30. Kelsey, Thomas

    current CO DORA № RME-20

    testing

    October 13, 2026cite ↗

  31. Kenyon, Hannah, Maxine

    current CO DORA № RME-278

    testing

    October 13, 2026cite ↗

  32. Klein, John, F

    current CO DORA № RME-147

    testing

    October 13, 2026cite ↗

  33. Krajicek, David

    current CO DORA № RME-583

    testing

    October 13, 2026cite ↗

  34. Kronig, Donald, Morris

    current CO DORA № RME-263

    testing

    October 13, 2026cite ↗

  35. Lasker, Jeffrey, James

    current CO DORA № RME-406

    testing

    October 13, 2026cite ↗

  36. Logar, Daniel

    current CO DORA № RME-729

    testing

    October 13, 2026cite ↗

  37. Loisel, Emily

    current CO DORA № RME-317

    testing

    October 13, 2026cite ↗

  38. Lopez, Benjamin

    current CO DORA № RME-711

    testing

    October 13, 2026cite ↗

  39. Manke, Olivia

    current CO DORA № RME-319

    testing

    October 13, 2026cite ↗

  40. Mathys, Laura

    current CO DORA № RME-43

    testing

    October 13, 2026cite ↗

  41. Meij, Veronica, R

    current CO DORA № RME-593

    testing

    October 13, 2026cite ↗

  42. Nadeau, Steve

    current CO DORA № RME-261

    testing

    October 13, 2026cite ↗

  43. Nelson, Kevin

    current CO DORA № RME-539

    testing

    October 13, 2026cite ↗

  44. Orthun, Erin

    current CO DORA № RME-640

    testing

    October 13, 2026cite ↗

  45. Parker, Eric, L

    current CO DORA № RME-679

    testing

    October 13, 2026cite ↗

  46. Peacock, Amy

    current CO DORA № RME-489

    testing

    October 13, 2026cite ↗

  47. Pozzi, Mike

    current CO DORA № RME-236

    testing

    October 13, 2026cite ↗

  48. Rojo, Tobias, Ruben

    current CO DORA № RME-369

    testing

    October 13, 2026cite ↗

  49. Sams, Andrew

    current CO DORA № RME-207

    testing

    October 13, 2026cite ↗

  50. Sandoval, Bo, R

    current CO DORA № RME-177

    testing

    October 13, 2026cite ↗

  51. Sprague, Kevin, Robert

    current CO DORA № RME-143

    testing

    October 13, 2026cite ↗

  52. Tolbert, Mauray

    current CO DORA № RME-606

    testing

    October 13, 2026cite ↗

  53. Truett, Trevor, J

    current CO DORA № RME-398

    testing

    October 13, 2026cite ↗

  54. Wadman, Macey, Elizabeth

    current CO DORA № RME-671

    testing

    October 13, 2026cite ↗

  55. Waldron, Kimberley

    current CO DORA № RME-448

    testing

    October 13, 2026cite ↗

  56. Ward, Lane

    current CO DORA № RME-641

    testing

    October 13, 2026cite ↗

  57. Wolf, Daniel

    current CO DORA № RME-515

    testing

    October 13, 2026cite ↗

  58. Zakrzewski, Trevor

    current CO DORA № RME-222

    testing

    October 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 Denver, CO?

Open the source link on this page and match the name and credential number to CO DORA. 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

  1. 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.
  2. 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.
  3. 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 Colorado

Colorado DORA licenses radon measurement (RME) and mitigation (RMT) professionals. The people below appear as Active on the official occupational license file we imported. Read the methodology. Credential status can change.