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Verified Reviews for Radon Detection And Reduction pros in Monroe, OR

*The Angi rating for Radon Detection And Reduction companies in Monroe, 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 Monroe, 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 May 05, 2026

Find Radon detection and reduction specialists in Monroe

Avatar for Nordic Service Group, LLC
Nordic Service Group, LLC
5.0(
4
)

Serving Monroe, OR and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Chris was fantastic to talk to about what he checks for during the inspection and what i should expect to see on his report. Chris was on time, incredibly thorough and detailed. I highly recommend him to anyone looking for a great home inspector."
Response time3 hrs
Response rate92%
36 neighbors recently requested a quote
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Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
71
)

Serving Monroe, OR and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"John's water proofing gave me a reasonable quote. And they did an awesome job. I will recommend them again."
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

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

Serving Monroe, 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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Avatar for All around Property Testing LLC
All around Property Testing LLC
New to Angi

Serving Monroe, OR and surrounding areas

In business since 2021

Emergency services offered

Small jobs welcome

Veteran-owned and certified in mold, lead, water, and environmental property testing. We serve Cottage Grove and surrounding areas with fast EMSL lab results, affordable pricing, and reliable local service.

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All Corners Home Inspections
New to Angi

Serving Monroe, 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 lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

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.

The Monroe, 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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