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

*The Angi rating for Radon Detection And Reduction companies in Willamina, 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 Willamina, 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 August 25, 2025

Find Radon detection and reduction specialists in Willamina

Really Fast Rapid Radon Remediation
4.7(
30
)

Serving Willamina, OR and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Stu and Tom took care of our radon needs to get our home ready for sale. The communication was excellent. The finished product was fantastic and I’m sure the new owners will love the system. Very fast in and out on a short window of time we had. Thank team. I’d hire again for sure"
Response time9 hrs
1 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Alpha Environmental Services Inc
Alpha Environmental Services Inc
4.7(
134
)

Serving Willamina, OR and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"From initial inspection to mitigation was about a week. Technician were punctual and finished within time estimated."
Heating Oil Tank
Radon Reduction System
Removal of Underground Tank
Response time1 day
Response rate100%
Recommended by85%of homeowners
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Avatar for Rose City Laboratories, LLC
Rose City Laboratories, LLC
5.0(
2
)

Serving Willamina, OR and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

Science First. We are experts in our field and we will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.

Response time2 days
Response rate90%
Recommended by100%of homeowners
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Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
71
)

Serving Willamina, OR and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"You will need make sure everything is explained and understand what is included as maintenance."
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

Response time6 hrs
211 neighbors recently requested a quote
Recommended by93%of homeowners
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Inspections Unlimited From Above
5.0(
2
)

Serving Willamina, OR and surrounding areas

In business since 1989

Free estimates

Credit card accepted

Buying a home is important, to you. Making sure you know what you are buying, is important to us. Choosing, Inspections Unlimited From Above, Inc., will show you why we are considered the top home inspection company, in our area. Our inspections will include, areas of the home's interior and exterior, from the roof to the foundation, the exterior drainage, and retaining walls. Inspections Unlimited From Above, Inc., promises you a very thorough inspection, with verbal explanation of what we are seeing, and a computer generated report, that is to the point and easy to understand, with digital color photos. Our promise to you is our very best professional inspection, and complete satisfaction.

Response time1 day
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

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.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

Yes, many systems include warranties for performance. Confirm terms with your installer.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

The Willamina, 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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