Be Safe Radon
Verified Pro
13½+ years online5.0
Radon Mitigation in Portland, ME
Compare 23 radon mitigation contractors near you in Portland 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 March 23, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
besaferadon.com
First Light Inspections LLC
Verified Pro
4½+ years online5.0
Radon Check Inc
Verified Pro
~20 years online5.0(2)
SWAT Radon Mitigation
Verified Pro
12+ years online5.0(243)
Radon Removal Systems
Verified Pro
25½+ years online4.3(23)
Other Businesses in This Area
Radon Control Systems
RPF Environmental, Inc.
~29 years onlineEnviroVantage
5.020½+ years onlineFree Energy Maine, LLC
5.017½+ years onlineOnPoint Home Inspections Service
5.08½+ years onlineRadon Mitigation Services of Maine, LLC
5.04 mo onlineSquare One Home Inspections, LLC. - Home Inspections and Radon/Water Testing
5.07+ years onlineAir & Water Quality Inc
4.9~29 years onlineMaine Radon & Water Treatment
4.93+ years onlineEvergreen Home Performance
4.716½+ years onlineRadon Done Right
4.719+ years onlineAaron Radon Mitigation
3.411+ years onlineRadon Mitigation in Nearby ME Cities
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Radon Mitigation in Portland, ME
Portland, Maine radon mitigation specialists in this directory cover the West End, Munjoy Hill, Stroudwater, and surrounding Cumberland County. Maine falls in EPA Radon Zones 1 and 2 — Cumberland County is largely Zone 1. Sub-slab depressurization on a typical Portland basement home runs $1,400-$2,800 installed.
Maine Center for Disease Control publishes county-by-county radon zone maps. Real-estate transactions in Portland increasingly include radon testing.
Frequently Asked Questions
- Do most Portland ME homes have radon?
- Yes — Cumberland County is largely EPA Zone 1, and many homes test above 4 pCi/L.
- How long does Portland radon mitigation take?
- Sub-slab depressurization is a 1-day job.
- What about radon in crawlspaces?
- Crawlspaces require sealed vapor barrier and active sub-membrane vent fan.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Portland 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.