A-1 Radon - Gresham Radon Testing & Mitigation
Please don't hesitate to contact us for any questions about radon or to request a quote. We respond to all inquiries within one business day.
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Low-Level Guarantee
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Flexible Scheduling
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Responsive Service
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Phone
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Email
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Hours
Monday - Friday: 9:00am – 5:30pm
Saturday: 9:00am – 2:00pm
Sunday: (Closed) -
Address
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Rated 4.8 Stars With 40+ Reviews on Google
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Why Choose Us
A-1 Radon is the perfect choice for your radon testing and radon mitigation project with our family-owned and operated business, providing customers with the highest quality of service.
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Price Match
We’ll match or beat any competitor’s price!
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Lifetime Warranty
Peace of mind knowing your system is covered!
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Low Level Guarantee
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Custom Systems
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Affordable Pricing
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Qualified & Certified
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Friendly, On-Time Techs
Certifications & Affiliations
We're fully certified and accredited by the National Radon Proficiency Program (NRPP) and the American Association of Radon Scientists & Technologists (AARST).




Testimonials
What Our Customers Say About Our Radon Services in Gresham
Adam was very responsive and his installation team did a great job. Top notch work. Follow-up service and questions were also excellent!

These guys are great. HIghly recommend! Mitch and David explained everything to me. We found a great place to vent the system. And now the levels are below 1.0pci/l.

Our experience was great throughout the entire process. The system has been installed and levels are down substantially.
