Radon Testing in Columbus, OH

Radon testing companies in Columbus

Listed alphabetically, with companies based in Columbus first, then 69 elsewhere in the Columbus area. We do not rank companies, and no one pays to appear here. How we verify · How we make money

• Ohio Radon Mitigation, LLC

  Alexandria, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC181 · active until Apr 25, 2027 · Ohio DOH license RS290 · active until Oct 13, 2028 · Ohio DOH license RS372 · active until Dec 12, 2026

  Call 740-888-1688View full profile

• Ohio Technical Services

  Grove City, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC94 · active until Aug 13, 2028 · Ohio DOH license RS320 · active until Dec 13, 2027 · Ohio DOH license RS418 · active until Feb 12, 2028 · Ohio DOH license RS604 · active until Apr 21, 2028 · Ohio DOH license RS771 · active until Jul 10, 2028

  Call 614-372-0829View full profile

• Pinpoint Environmental Mitigation Services LLC

  Grove City, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC482 · active until Jul 13, 2028 · Ohio DOH license RS773 · active until Jul 13, 2028 · Ohio DOH license RS774 · active until Jul 13, 2028

  Call 614-674-2010View full profile

• Protect Environmental

  Marysville, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RS233 · active until May 13, 2027 · Ohio DOH license RS499 · active until Jan 20, 2028 · Ohio DOH license RS677 · active until Mar 18, 2028 · Ohio DOH license RS678 · active until Mar 18, 2028 · Ohio DOH license RS780 · active until Oct 19, 2028 · Ohio DOH license RS80 · active until Mar 22, 2028

  Call 614-419-0319View full profile

• Radon Pros

  Grove City, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation
  • Radon testing

  Ohio DOH license RC266 · active until Mar 8, 2028 · Ohio DOH license RS428 · active until Apr 25, 2028 · Ohio DOH license RT2076 · active until Jun 27, 2027

  Call 614-594-9394View full profile

• Radon Reaperz

  Lewis Center, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC373 · active until Feb 10, 2028 · Ohio DOH license RS602 · active until Feb 10, 2028 · Ohio DOH license RS702 · active until Dec 16, 2026 · Ohio DOH license RS710 · active until Feb 27, 2027

  Call 833-732-7379View full profile

• Radon Reduction

  Dublin, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC440 · active until Feb 7, 2027 · Ohio DOH license RS704 · active until Feb 7, 2027 · Ohio DOH license RS705 · active until Feb 6, 2027

  Call 614-974-6693View full profile

• Residential Radon Specialists

  Westerville, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC161 · active until Dec 21, 2027 · Ohio DOH license RS261 · active until Dec 4, 2026 · Ohio DOH license RS322 · active until Dec 21, 2027 · Ohio DOH license RS323 · active until Dec 21, 2027

  Call 614-323-3175View full profile

• Rock to Ridge Home Inspections LLC

  Newark, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC392 · active until Dec 9, 2026 · Ohio DOH license RS628 · active until Dec 8, 2026

  Call 740-975-5054View full profile

• Roots Contracting LLC

  Grove City, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC476 · active until Apr 7, 2028 · Ohio DOH license RS759 · active until Apr 7, 2028

  Call 614-800-9681View full profile

• Safe Check Radon Services, LLC

  Orient, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC311 · active until Mar 4, 2028 · Ohio DOH license RS509 · active until Mar 4, 2028 · Ohio DOH license RS727 · active until Feb 11, 2028

  Call 614-420-2050View full profile

• Stewart Home Inspections LLC

  Stoutsville, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1558 · active until Feb 11, 2028

  Call 740-503-7031View full profile

• SundinServices LLC dba FourSquare Inspection

  Granville, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1212 · active until Jul 17, 2027

  Call 740-404-1898View full profile

• Terracon Consultants, Inc.

  Gahanna, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT827 · active until Sep 8, 2027

  Call 614-328-5133View full profile

• The Radon Guy LLC

  Baltimore, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC204 · active until Dec 20, 2027 · Ohio DOH license RS321 · active until Dec 20, 2027

  Call 614-359-7678View full profile

• The Radon Wizard LLC

  Sunbury, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC110 · active until Jul 10, 2028 · Ohio DOH license RS206 · active until Jul 10, 2028

  Call 614-746-3538View full profile

• TKO Home Inspections, LLC

  Groveport, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1364 · active until Jul 17, 2028

  Call 614-569-1110View full profile

• Top Flight Home Inspection, LLC

  Stoutsville, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT1193 · active until May 23, 2027 · Ohio DOH license RT1685 · active until Feb 7, 2027

  Call 614-203-9217View full profile

• Wall to Wall Home Inspection, LLC

  Lewis Center, OH

  License verifiedChecked Nov 1, 2026
  • Radon testing

  Ohio DOH license RT994 · active until Nov 17, 2027

  Call 614-519-9098View full profile

• Weekend Warriors Ohio Chapter LLC

  Circleville, OH

  License verifiedChecked Nov 1, 2026
  • Radon mitigation

  Ohio DOH license RC474 · active until Mar 18, 2028 · Ohio DOH license RS751 · active until Mar 19, 2028 · Ohio DOH license RS753 · active until Mar 19, 2028

  Call 614-752-9252View full profile

Showing 81–100 of 103

Radon testing in other Ohio cities

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