Radon Mitigation in Denver, CO

Compare 27 radon mitigation contractors near you in Denver and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 23, 2026

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Other Businesses in This Area

American Radon Mitigation

5.012+ years online
americanradonmitigation.com

Colorado Radon Pros LLC

5.08½+ years online
coloradoradonpros.comGet a Free Quote

Elevation Radon Control

5.05+ years online
elevationradon.com

Evergreen Radon

5.03½+ years online
evergreenradon.com

Mile High Radon Control

5.06+ years online
milehighradoncontrol.comGet a Free Quote

Rapid Radon Relief

5.04+ years online
rapidradonrelief.com

Rocky Mountain Radon Mitigation

5.0~5 years online
rockymountainradonmitigation.com

Absolute Radon Safety

4.914+ years online
absoluteradonsafety.com

Affordable Radon Services LLC

4.95½+ years online
affordableradonservices.com

APEX Radon

4.912+ years online
apexradonpro.com

Axium Home Inspections

4.9~19 years online
axiuminspections.com

Colorado Radon Company

4.96½+ years online
coloradoradoncompany.com

Colorado Radon Mitigation

4.95½+ years online
coloradoradonmitigation.comGet a Free Quote

Denver Radon Testing

4.912½+ years online
denverradontesting.com

Radon Mitigation of the Rockies Aurora

4.9~10 years online
radonmitigationoftherockies.com

Radon Safety LLC

4.917½+ years online
coloradodiscountradonpros.com

Reliant Radon Solutions

4.916+ years online
protectenvironmental.com/locations/colorado-co/denver-radon-and-vapor-intrusion-services

#1 Radon Inc

4.818+ years online
numberoneradon.com

American Radon, LLC

4.811+ years online
americanradonllc.com

Radon Gone Mitigation

4.810 years online
radongoneco.com

Radon Mitigation & Testing

4.8~8 years online
radonmitigationandtest.com

Radon Mitigation in Nearby CO Cities

Radon Mitigation in Denver, CO

Denver radon mitigation is needed because most of Front Range falls in EPA Zone 1 (highest potential). Slab-on-grade and basement homes both need mitigation. NeedInstall connects you with Denver radon mitigation pros who hold NRPP or NRSB certifications, follow Denver permits, and design quiet exterior fan installations.

Denver radon mitigation systems run $1,500-$3,500 for slab-on-grade, $2,500-$5,500 for basement. CO requires a contractor's license. NRPP/NRSB certification recommended. Post-mitigation testing required to verify <4 pCi/L.

Frequently Asked Questions

Test first?
Yes — given Zone 1, plan to test before buying.
How does it work?
Sub-slab depressurization.
How loud?
Modern fans quiet.

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