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

§ 4.1 — Leavenworth County, KS

Certified radon testing in Leavenworth County, KS

1 current listing from the official file. Verify the credential number before you hire.

Last verified August 29, 2026. Methodology KS KDHE.

Certified radon testingCertified radon mitigation

  1. Marsh, Joseph

    Jmjp Inc Dba National Property Inspections

    current KS KDHE № KS-MS-0347

    testing

    913-915-1566August 29, 2026cite ↗
Fig. 4 — Leavenworth County, KS, approximate. Pin is the county 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 Kansas

Kansas KDHE certifies radon measurement and mitigation technicians. The people below appear on the certified technician PDF we imported, listed under the county of the business address on that file. Read the methodology. Credential status can change.