Radon Mitigation in Boulder, CO

Compare 19 radon mitigation contractors near you in Boulder 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

Verified Pro Installers

Other Businesses in This Area

Affordable Radon Services LLC

5.05½+ years online
affordableradonservices.com

American Radon Mitigation

5.012+ years online
americanradonmitigation.com

Boulder Home Inspector, LLC

5.08½+ years online
boulderhomeinspector.com

Colorado Radon Pros LLC

5.08½+ years online
coloradoradonpros.comGet a Free Quote

Mile High Radon Control

5.06+ years online
milehighradoncontrol.comGet a Free Quote

Rapid Radon Relief

5.04+ years online
rapidradonrelief.com

RDS Environmental

5.028+ years online
rdsenvironmental.com

Rocky Mountain Radon Mitigation

5.0~5 years online
rockymountainradonmitigation.com

Absolute Radon Safety

4.914+ years online
absoluteradonsafety.com

All Colorado Radon Mitigation, Inc.

4.9~14 years online
allcoloradoradon.comGet a Free Quote

Colorado Radon Company

4.96½+ years online
coloradoradoncompany.com

Colorado Radon Mitigation

4.95½+ years online
coloradoradonmitigation.comGet a Free Quote

Radon Safety LLC

4.917½+ years online
coloradodiscountradonpros.com

Radon Gone Mitigation

4.810 years online
radongoneco.com

Colorado Radon Services

4.517+ years online
coloradoradonservices.comGet a Free Quote

Radon Mitigation in Nearby CO Cities

Radon Mitigation in Boulder, CO

Boulder, Colorado radon mitigation contractors serve a market where elevated radon levels in residential homes are common—Boulder County is a Zone 1 area per EPA classification. Local installers handle sub-slab depressurization (the most common active radon system), drain tile suction, and crawlspace membrane systems. Colorado doesn't require state-level radon contractor licensing, but reputable installers hold NRPP (National Radon Proficiency Program) or NRSB certifications. Pre-purchase radon testing during real estate transactions drives most mitigation work.

Boulder's high-elevation geological substrate produces some of the highest radon levels in the country—often exceeding 10-20 pCi/L in pre-mitigation testing. Most homes with poured concrete slabs respond well. The progressive demographics drive heavy demand for premium mitigation systems.

Frequently Asked Questions

How much does Boulder radon mitigation cost?
A typical sub-slab depressurization system runs $1,500-3,000 in Boulder.
Will mitigation work on my old home?
Yes, but older stone foundations may need additional crack sealing.
Should I retest?
Yes, reputable installers conduct a 48-hour confidence test 2-4 weeks after install.

About NeedInstall

NeedInstall helps connect customers with local installation professionals across Boulder and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.

Most pros respond within 2–24 hours