Radon testing & mitigation in Washington
No Kansas KDHE-credentialed radon professional is headquartered in Washington itself, but 1 credentialed Kansas contractor states on its own site that it serves this area — see below, each cited and dated.
Closest city with 5+ credentialed contractors Lincoln, NE · 13 contractors · 71 mi away →
Also serves this area 1 · self-reported by each company, not independently confirmed for this specific city XTREME CONCEPTS LLC
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-28 ·
source → Get a Free Quote Credentials & details →
Nearby cities closest RadonScout pages Straight-line miles between Census place points, not driving distance. Source: U.S. Census Bureau, 2023 Gazetteer Files (Places) .
Source: Kansas KDHE certified radon technician roster (current 2026-07-14),
cross-checked against each contractor's own website, Google Places, and Facebook where Places had
no result. Page generated 2026-11-05 from kansas_contractors_master.csv.
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