Radon testing & mitigation in Frederick
4 credentialed Colorado radon professionals serving Frederick, sourced from the Colorado DORA 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 Frederick-based contractor below is on a Colorado DORA 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 Colorado license yourself →
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Mitigation
Testing
Website confirmed
3 of 3 shown
Longview Heating & Air
Mitigation
Mitigation cert RMT-346 (Colorado DORA Office of Radon Professionals licensee roster (RMT), 2026-10-02)
Get a Free Quote Credentials & details → Rapid Radon Relief
Mitigation
Mitigation cert RMT-64 (Colorado DORA Office of Radon Professionals licensee roster (RMT), 2026-10-02)
Get a Free Quote Credentials & details → Your Choice Home Inspection
Testing
Testing cert RME-79 (Colorado DORA Office of Radon Professionals licensee roster (RME), 2026-10-02)
Get a Free Quote Credentials & details →
No contractors match both filters at once — try clearing one.
No website confirmed 1 · credentialed, phone-only — no negative evidence, just nothing to link Yurko Inspections LLC
Testing
No website confirmed Get a Free Quote No confirmed website found — no negative evidence, just nothing to link.
Testing cert RME-316 (Colorado DORA Office of Radon Professionals licensee roster (RME), 2026-10-02)
Credentials & details →
Also serves this area 8 · self-reported by each company, not independently confirmed for this specific city A Buyer's Choice Home Inspections
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Blue Spruce Inspections
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Boulder Home Inspector
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → BWise Radon Testing and Mitigation, LLC
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Front Porch Inspections
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Radon Safety LLC
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Twin Peaks Inspections, LLC
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → Quality Home Inspections LLC
Serves this area
Not headquartered in this city — states on its own site that it serves this area. contractor website, checked 2026-10-23 ·
source → Get a Free Quote Credentials & details → What changes a radon mitigation quote, plus a checklist for comparing bids →
Questions
Nearby cities closest RadonScout pages Dacono 3 mi · contractors that say they serve it Firestone 4 mi · 3 credentialed pros based there Erie 6 mi · contractors that say they serve it Longmont 8 mi · 4 credentialed pros based there Mead 8 mi · contractors that say they serve it Fort Lupton 9 mi · 1 credentialed pro based there Straight-line miles between Census place points, not driving distance. Source: U.S. Census Bureau, 2023 Gazetteer Files (Places) .
Source: Colorado DORA Office of Radon Professionals licensee roster (RME + RMT, all statuses), pulled 2026-10-02, consolidated against the AARST/NRPP certified-professional directory and each company's own web presence —
cross-checked against each contractor's own website, Google Places, and Facebook where Places had
no result. Page generated 2026-11-05 from colorado_contractors_master_v2.csv.
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