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*The Angi rating for Radon Detection And Reduction companies in Tidewater, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Tidewater, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on January 12, 2026

Find Radon detection and reduction specialists in Tidewater

Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
71
)
Radon Gas - AbatementRadon Gas - Testing

Serving Tidewater, OR and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"This work crew of Lupe, Waldo, and Rene did an OUTSTANDING job; this is hard work, these (3) dedicated hombres did an incredible job for us. We are so grateful for these three men. I easily recommend this crew to you, very reliable, honest, trustworthy and friendly. Best in the Business. Muchas gracias amigos!!! We love these guys!"
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

Response time6 hrs
208 neighbors recently requested a quote
Recommended by93%of homeowners
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Environmental Testing & Training NorthWest
4.0(
1
)
Radon Gas - Testing

Serving Tidewater, OR and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"The company rep collected site samples quickly ... in and out in about 20 minutes. And, the company turned the report around in two days. The service was a pricy, mostly due to the fixed call-out fee. The cost per sample was higher than one other instance that I know of but not unreasonable."
Response time12 hrs
Recommended by100%of homeowners
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All Corners Home Inspections
New to Angi
Radon Gas - Testing

Serving Tidewater, OR and surrounding areas

In business since 2014

Free estimates

Emergency services offered

All Corners Home Inspections is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Response time1 day
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Radon Detection and Reduction questions, answered by experts

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

No, radon mitigation systems do not decrease home value or make a home harder to sell. In areas where homes experience similar radon exposure risks, a radon mitigation system is viewed as an improvement. Potential homebuyers often opt to buy a home with a radon mitigation system already installed to reduce the risk of cancer for their families.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

The Tidewater, OR homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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