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Get matched with top radon detection and reduction specialists in The Dalles, OR

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

Q: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

Q: Do radon mitigation systems decrease home value?

• <div><p>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.</p></div>

Q: Can I install my own radon mitigation system?

• <div><p>A <a href="https://www.angi.com/articles/can-homeowners-install-radon-mitigation-systems.htm">homeowner can install a radon mitigation system</a> on their own. But it&rsquo;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.</p></div>

Q: Can I use my sump pit for radon mitigation?

• <div><p>If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in The Dalles, OR

*The Angi rating for Radon Detection And Reduction companies in The Dalles, 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 The Dalles, 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 30, 2026

Reviewed in May 2026
Great service, showed up on time at the time given, efficient with work time, cleanliness was very apparent as the cleaning was done while moving and working. When the job was done everything was cleaned up and looked as if nobody was ever there! Was walked through the entire process, and...
SENNCO CONST & HANDYMAN SRVS
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Reviewed in July 2025
Patrick completed a circular deck to wrap around my yurt, it was done professionally and in a timely fashion. Will definitely be reaching out for further work from Patrick, very friendly and understanding.
PATRICK ROSS LLC
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Reviewed in February 2025
He not only did excellent work, he was prompt, courteous and called me to let me know how the work was done. I live in Nevada and he helped my brother more than I could hope for. I definitely recommend Troy services and I would hire him again if needed. Thank youTroy.
Troy's Handyman Services
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Reviewed in November 2023
Tony went above and beyond the job description! Not only did he grade and compact my road as we initially discussed. He also happily helped me move and spread the gravel that the dump truck was unable to spread (due to heavy rain). I would highly recommend using Tony for your next excavation...
Legendary Dirt Diggers
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Reviewed in July 2023
Caleb is exceptionally talented. My completed fence is beautiful. Much more than I was expecting. His keen eye for detail is exquisite. He is professional, kind, efficient, and knowledgeable. He works hard, and ensures customers are pleased with the finished product. His strong work ethic,...
Tier One Construction
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Reviewed in May 2023
Julio and Alex came when the said they would, worked through the trimming and yard debris removal in just a couple hours, and Juilo's rate was very reasonable!
Simply Landscaping LLC
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Reviewed in May 2023
Joel came when he said he would, demonstrated excellent workmanship in repairing/replacing the steps to my front porch, AND he brought the project in for the amount he had estimated for both materials and labor!
Fort Dalles Contracting & Home Repairs LLC
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Reviewed in February 2023
Great service and excellent craftsmanship and work. Plus really nice people to deal with.
Family Chimney Repair
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Reviewed in December 2022
Excellent Work done!! Hard worker!! Efficient, fast, professional, and worth every penny.
Just Maintenance, LLC
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Reviewed in March 2022
Great communication and customer service
FULLTIME CONTRACTOR
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Find Radon detection and reduction specialists in The Dalles

Absolute Environmental, LLC

4.8(

)

Radon Gas - Abatement

Serving The Dalles, OR and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

"The first two tests failed radon, and they did not give up or charge again to run a third and eventual fourth test. The diligence was really appreciated."

Response time1 day

Response rate88%

Recommended by100%of homeowners

Request Quote

SWAT Environmental, Inc.

3.9(

)

Radon Gas - Abatement

Serving The Dalles, OR and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Their service representative was efficient, professional and very informative. Very pleased with the results. Would use them again."

Recommended by90%of homeowners

Request Quote

Gorge Quality Home Inspection

5.0(

)

Radon Gas - Testing

Serving The Dalles, OR and surrounding areas

In business since 2019

"It was great. They were a ten out of ten."

Recommended by100%of homeowners

Request Quote

Pure Maintenance Cascades

5.0(

)

Radon Gas - AbatementRadon Gas - Testing

Serving The Dalles, OR and surrounding areas

"It was good. They took care all of the smell in the house. They showed up on time. It was a good experience."

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

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.

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.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

The The Dalles, 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.

See all articles

Mitchell Grant
•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Alison Kasch
•
Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
Angi
•
Mar 18, 2026Mar 18, 2026
How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
Amy Freeman
•
Jul 9, 2026Jul 9, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.