Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Corydon, IA

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: What are the risks of radon?

• <div><p>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&rsquo;t hesitate to perform radon testing and install a mitigation system as soon as possible.</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>

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: 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>

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Verified Reviews for Radon Detection And Reduction pros in Corydon, IA

*The Angi rating for Radon Detection And Reduction companies in Corydon, IA 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 Corydon, IA 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 October 07, 2025

Reviewed in October 2025
Mad City was professional and very clean as they worked.
Mad City Windows & Baths
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Reviewed in September 2025
Kyle was very polite and efficient his work ethic is outstanding. The job was done in a timely manor. Excellence beyond expectation
Hoss Tree Solutions LLC
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Reviewed in July 2025
Dig out and unclog drain on Saturday afternoon with virtually zero notice. We were very satisfied.
JJM Services, LLC
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Reviewed in April 2025
I had ALOT of old landscape rock around entire house that I wanted to remove. These guys jumped right in and got the job done! They gave me a great price considering the labor of the job! Highly recommend!
No Limit Outdoor Solutions
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Reviewed in August 2023
Great group to work with fast and competitive prices!
Southern Accent Tree Service
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Reviewed in January 2023
very professional, courteous, knowledgeable, and quick to complete the job. He was able to answer all the questions I had.
Freeman's Metal Roofing, LLC
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Reviewed in September 2022
Very reasonably priced and quick service Done a good job and cleaned up after
Tree Squirrel Tree Service
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Reviewed in March 2022
Chase Jones, Tanner Spurlow, and Trevon Sanders definitely went above and beyond our expectations! Very impressive crew that worked a very long day to finish the job!
Foundation Recovery Systems
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Reviewed in February 2022
Wyatt replaced our shower. He was friendly and helpful. The installation looks very nice. He cleaned the area before he left. We are pleased with the project.
Bath Planet of Des Moines
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Reviewed in January 2022
I haven’t yet worked with Matt on a home project, but he responded promptly and professionally from the very start of our conversations about work needed in my home. He arrived early for our walk through yesterday and thoughtfully answered all of my questions in a friendly manner, without...
Affordable Contracting & Handyman
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Find Radon detection and reduction specialists in Corydon

Iowa Radon Defense

4.5(

)

Serving Corydon, IA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"It reduced the radon from an average of 23 to 0.24."

+14

Response time1 day

52 neighbors recently requested a quote

Recommended by95%of homeowners

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Home Sweet Home Inspect Iowa Facebook

4.8(

)

Serving Corydon, IA and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Luis was very patient, detailed, and filled with valuable information. He took his time and explained to us all the required and suggested needed improvements throughout the entire inspection. We were in a jam and needed the inspection the next day and we were lucky that he was available. The turn around time of the report was within 24 hours as he promised. He a reliable service and we would highly recommend him in the future."

+11

Response time3 hrs

Response rate88%

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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

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.

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

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.

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.

The Corydon, IA 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
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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.
Jacqueline DeMarco
•
Apr 5, 2026Apr 5, 2026
DIY Radon Mitigation: A Step-by-Step Guide
Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.
Amy Freeman
•
May 2, 2026May 2, 2026
How to Get Rid of Radon in Your Home
Radon can seep into your home through cracks and small openings. Here's how to get rid of radon and why you need to do it.
Kyle Schurman
•
Apr 8, 2026Apr 8, 2026
How Long Does a Radon Mitigation System Last?
How long does a radon mitigation system last? A properly installed and maintained system can last 20 years or more, but various issues can reduce the life span.