What We Do…

All of us at Just Radon.Com are passionate about removing radon from the air in our homes. Radon is the cause of over 21,000 deaths each year in the United States alone. It’s the second leading cause of lung cancer… right behind smoking.

The testing, innovative designs and evolution of our abatement systems allows us to offer our exclusive “Lowest Cost Guarantee”.

We also lead the industry in the following categories:

  • Best System Warranty: Double Lifetime

  • Best Performance Guarantee: As low as 1 pCi/l

  • Best Fan Warranty: 10 Years With the Optional Sound Suppressing Fan Cover That Protects the Fan & Reduces the Sound by 50%

Based in Portland, Oregon, we’re licensed, bonded and insured to $2 million in Oregon and Washington, and certified to measure and mitigate radon in 35 states. Our protocols have been used in thousands of radon tests abatements.1

The Corentium Pro Crew

Our Uncompromising, Underlying and Sustaining Business Principal Is Simple.

Treat Every Home as If We Lived in It.

Why Choose Us

There are only two types of radon mitigation systems.
1) A Just Radon System.

2) All Others.

Every Just Radon abatement system is site-specific. We consider the radon level, the application, the geology, and the building construction. Then we design the system. Our unique and proprietary installation tools and methods allow us to provide the lowest radon-level guarantee in the nation. Our standard sub-slab guarantee is about half our competitors and crawlspace installations can be as low as 1 pCi/l.

Radon Is All Do… We Know What We’re Doing.

  • Our Testing Equipment Provides State-of-the-Art Accuracy. We Continually Research New Abatement Equipment. Only

  • The Most Effective and Durable Solutions Are Used in Our Radon Reduction System Designs.

  • We Have the Resources to Offer Quick Online 24/7 Scheduling for Rush Measurement Requests.

  • We Only Deal With Radon. We Don’t Do Home Inspections, Sewer Scopes or Oil Tank Locates. We’re Not a “Jack of All Trades.” We’re Just Radon.

  • Our Installations Offer the Best Warranties in the Industry… Double Lifetime System Warranty, 10-Year Fan Warranty, and the Lowest Radon Level Guarantee in the Nation.

We Offer A "Lowest Cost Guarantee.


Radon is a toxic radioactive gas that’s formed in the earth’s crust.

It will follow the path of least resistance to the surface. The systems we install

prevents radon from releasing into your home.

We Offer Radon Testing in the Portland Metro Area, and Install Radon Mitigation Systems throughout Oregon and Western Washington.


Test Fee for Properties Located within Our Regular Service Area Using a Corentium Pro CRM $150.

Outside our regular service area:

(1) $225 (2) $300 (3) $375 (4) $450.

A radon measurement request requires two trips to the property. Properties in service areas (1) require approximately 3 hours to complete, (2) 4 hours, (3) 5 hours (4) 6 hours.