Frederick County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| C & L Home Inspections | Lee Eyler | (301) 674-2199 | Thurmont | Frederick |
| Accuspex Home Inspection Service, Inc. | William M. Kimble | (410) 795-0065 | Eldersburg | Carroll |
| Touchstone Home Inspections, LLC | Stephen Torbeck | (410) 533-8044 | Montross | Carroll |
| Awareness Home Inspection Services, LLC | Charles Rice | (443) 538-6921 | Sykesville | Carroll |
| U.S. Inspect | Robert J. Amaral | (508) 921-2095 | Walpole | Montgomery |
| Absolute Home Inspections, LLC | Jerry W. Smith | (301) 223-1599 | Hagerstown | Washington |
| Donofrio Property Inspections, Inc | Jason B. Donofrio | (703) 771-8374 | Ashburn | Loudoun |
| Frederick R. Stieff | (703) 777-8300 | Leesburg | Loudoun | |
| John Cooper, LLC | Faith O. Cooper | (540) 338-2922 | Purcellville | Loudoun |
| John Cooper, LLC | John L. Cooper | (540) 338-2922 | Purcellville | Loudoun |