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

§ 4.1 — Castle Rock, CO

Certified radon testing in Castle Rock, CO

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

Last verified August 29, 2026. Methodology CO DORA.

Certified radon testingCertified radon mitigation

  1. Harbour, Kevin, Joseph

    current CO DORA № RME-15

    testing

    August 29, 2026cite ↗

  2. Head, Robert, Thomas

    current CO DORA № RME-676

    testing

    August 29, 2026cite ↗

  3. Hunsinger, Wade

    current CO DORA № RME-38

    testing

    August 29, 2026cite ↗

  4. Jones, Cody, J

    current CO DORA № RME-41

    testing

    August 29, 2026cite ↗

  5. Leblanc, Jared

    current CO DORA № RME-362

    testing

    August 29, 2026cite ↗

  6. Mackey, Troy

    current CO DORA № RME-659

    testing

    August 29, 2026cite ↗

  7. Martinez, Shawn, Paul

    current CO DORA № RME-660

    testing

    August 29, 2026cite ↗

  8. Pierson, Randal

    current CO DORA № RME-766

    testing

    August 29, 2026cite ↗

  9. Tanella, Jamie

    current CO DORA № RME-380

    testing

    August 29, 2026cite ↗
Fig. 4 — Castle Rock, CO, 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 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.