ABSOLUTE ENVIRONMENTAL
Verified Pro
7+ years online5.0(34)
Radon Mitigation in Hillsboro, OR
Compare 26 radon mitigation contractors near you in Hillsboro and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated May 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
absoluteenvironment.com
Accuracy Property
Verified Pro
6+ years online5.0(145)
Blue Ladder Home Inspections
Verified Pro
7½+ years online5.0(805)
Alpha Home Inspections LLC
Verified Pro
8+ years online4.9(182)
Alpha Environmental Services
Verified Pro
~23 years online4.8(519)
Other Businesses in This Area
5W Radon Mitigation
5.0AXION
5.06+ years onlinePacWest Home Inspections
5.09½+ years onlineRadon Recon LLC
5.05½+ years onlineRadon Testing and Mitigation PNW
5.07+ years onlineRadon Testing And Mitigation PNW
5.07+ years onlineSommers Home Inspections
5.013+ years onlineAccuGuard Environmental
4.92½+ years onlineInspectek West Inc Home Inspections
4.927½+ years onlineEnvironmental Works
4.817½+ years onlineCascade Radon
4.718½+ years onlinePuroClean Restoration Services
4.525½+ years onlineIRS Environmental of Portland
2.322½+ years onlineRadon Mitigation in Nearby OR Cities
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Radon Mitigation in Hillsboro, OR
Hillsboro OR radon mitigation is sometimes needed because parts of Washington County fall in EPA Zone 2 (moderate potential). Slab-on-grade and basement homes both need mitigation. NeedInstall connects you with Hillsboro radon mitigation pros who hold NRPP or NRSB certifications, follow Washington County permits, and design quiet exterior fan installations.
Hillsboro radon mitigation systems run $1,500-$3,500 for slab-on-grade, $2,500-$5,500 for basement. OR requires a state CCB license. NRPP/NRSB certification recommended.
Frequently Asked Questions
- Test first?
- Yes — short-term tests ($20-$40) screen quickly.
- How does it work?
- Sub-slab depressurization.
- How loud?
- Modern fans quiet.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Hillsboro 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.