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John's Waterproofing Unclaimed
Provides radon testing, mitigation systems, and free in-home consultations in Portland, Vancouver, Salem, and surrounding areas.
Review Sentiment
↑positive90%Provides radon testing, mitigation systems, and free in-home consultations in Portland, Vancouver, Salem, and surrounding areas.
Review Highlights
"Free quote was accurate and fair"
"Effective radon system installation"
"Professional team from start to finish"
Location
Portland, OR
Also in Portland
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Radon mitigation contractor Resources
The Complete Guide to Radon Mitigation Contractors
Hire a radon mitigation contractor who actually fixes the problem: look for NRPP or NRSB…
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No federal law requires radon mitigation contractor certification — anyone can do it. This checklist stops you from hiring the wrong one and paying twice.
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