13 credentialed Kansas radon professionals serving Wichita, sourced from the Kansas KDHE credential rosters and cross-checked against each company's own site. Filter by what you actually need — a mitigation install, a test, or both.
Credential check: every Wichita-based contractor below is on a Kansas KDHE radon roster (number and roster date on each card). That means they're allowed to do the work, not that they do it well. Check a Kansas license yourself →
Yes. Since 2011, everyone performing radon testing or mitigation in Kansas must be certified by KDHE. Measurement certifications start KS-MS- and mitigation certifications start KS-MI-.
Source: KDHE, Radon laws. Checked 2026-11-05.Do I have to test for radon to sell a house in Kansas?
No test is required, but every residential sale contract must include state-set radon language (K.S.A. 58-3078a): that radon can be a health hazard, the seller's disclosure duty, and KDHE's recommendation to test before buying.
Source: KDHE, Radon laws. Checked 2026-11-05.Do new homes in Wichita have to be radon-resistant?
Not under state law. Some cities and counties have adopted the radon appendix of the residential code: Olathe (confirmed in its code), and on a trade-group list Lawrence, Topeka, Manhattan, Lenexa, Salina and Shawnee and Douglas counties. Check with your building department.