Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Ashland, OR

Q: What would cause radon in a house?

• <div><p>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.</p></div>

Q: Do radon mitigation systems come with warranties?

• <div><p>Yes, many systems include warranties for performance. Confirm terms with your installer.</p></div>

Q: How much does a radon mitigation system cost?

• <div><p>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.</p></div>

Q: Can you remediate radon yourself?

• <div><p>There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.</p></div>

Q: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Ashland, 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 Ashland, 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 15, 2026

Reviewed in May 2026
All By Choice LLC replaced our roof in a very timely and cost-effective manner, even replacing damaged areas with their own stock, and leaving the premises spotless. The team was professional, knowledgable, and friendly! We definitely can recommend All By Choice LLC, and would hire them...
All By Choice LLC
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Reviewed in October 2024
I had a large root from 2 trees which should never have been planted in the small space 20 years ago. I had the 2 trees removed and replaced with 2 smaller ornamentals, which will not outgrow the space. I was impressed with VH Contracting and their cleanup after the removal and would...
VH Contracting, LLC
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Reviewed in August 2024
Ryan was very professional and efficient and his work was excellent. He cleaned up his work space and communicated very well with me and what I asked of him. Highly recommend him and will hire him again as his rate was very reasonable.
Ryan Scott Lees
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Reviewed in February 2024
I’ve had Rick at John Minter roofing replace roofs on several properties that I’ve either owned or remodeled and also recommend him to clients selling their homes. He does a fantastic job, his crew is clean and quick, and very reasonably priced. Highly recommend!!!
John Minter - Roofing Contractor
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Reviewed in March 2023
Vic was very knowledgeable, and not only cleaned and inspected our heat pump, but also took the time to educate me about it.
Indoor Air Man
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Reviewed in January 2023
PNW Concrete Concepts did an excellent job. They replaced our driveway, added flagstone to our entryway and installed pavers to our side patio and walkway. They are very professional, flexible, helpful, and an amazing company. They made a few suggestions we didn't think of and are quite...
PNW Concrete Concepts LLC
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Reviewed in September 2022
Greg called immediately and set up inspection appt for next day. Returned the following morning and removed 3 trees and ground 2 stumps. Cleaned up and removed debris. All in less than 2 hours! Excellent service at a fair price. Would definitely recommend.
Arbor Tech Tree Service
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Reviewed in August 2022
Our town home remodel Could not have gone better. Fernanda is a very gifted designer and helped with the entire project. She made excellent material and design suggestions along with drawings and alternative options. Rick managed the installations in a professional and timely manner. All...
Floor Factors
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Reviewed in March 2022
I contacted Woodruff tree service and they were out here a couple of days later to grind some tree stumps for me. They did a great job, cleaned everything up and were very polite and professional.
Woodruff Tree Service
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Reviewed in March 2021
The people who did the work arrived on time, were good, courteous, and did some extra cleanup after I pointed out some missed areas. The only reason for the 1/2 star reduction was that the verbal quote differed from the written one. Still the price for the amount of work done was quite fair.
98 Restoration Services, LLC
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Top-Rated Radon detection and reduction specialists in Ashland - Updated Nov 2026

SWAT Environmental, Inc.

3.9(

)

Radon Gas - Abatement

Serving Ashland, 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

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Post Services, LLC

New to Angi

Radon Gas - AbatementRadon Gas - Testing

Serving Ashland, OR and surrounding areas

In business since 2019

Free estimates

Credit card accepted

With over 10 years of experience in the home maintenance industry, we are the service professionals you need to take care of your home or business. We handle all types of home improvement projects. We will treat your home as we would treat our own. Give Post Services a call today, we look forward to working with you!

Response time5 days

Response rate100%

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Radon Detection and Reduction FAQs, answered by experts

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.

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

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.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

The Ashland, 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
•
Sep 28, 2026Sep 28, 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
•
Oct 30, 2026Oct 30, 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
•
Sep 23, 2026Sep 23, 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.