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

Verified Pro Installers

Other Businesses in This Area

5W Radon Mitigation

5.0
5wradon.com

AXION

5.06+ years online
axionclean.com/hillsboro

Ground Level Home Inspections LLC

5.05½+ years online
groundlevelhi.comGet a Free Quote

PacWest Home Inspections

5.09½+ years online
pacwesthomeinspections.com/about-us

Portland NW Water Damage Restoration

5.02½+ years online
pnwrestorationservice.comGet a Free Quote

Radon Recon LLC

5.05½+ years online
nwradonrecon.com

Radon Testing and Mitigation PNW

5.07+ years online
radonmitigationpdx.com/battleground

Radon Testing And Mitigation PNW

5.07+ years online
radonmitigationpdx.com

Sommers Home Inspections

5.013+ years online
sommershomeinspections.com

Vital Restoration

5.020½+ years online
vitalrestoration.com/location/portland-orGet a Free Quote

AccuGuard Environmental

4.92½+ years online
accuguardenviro.com

Inspectek West Inc Home Inspections

4.927½+ years online
inspectekwest.com

Environmental Works

4.817½+ years online
eworksnw.com

Cascade Radon

4.718½+ years online
cascaderadon.com

PuroClean Restoration Services

4.525½+ years online
puroclean.com/portland-or-puroclean-restoration-services

IRS Environmental of Portland

2.322½+ years online
irsenvironmental.com

Radon Mitigation in Nearby OR Cities

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.

Most pros respond within 2–24 hours