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Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

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: What is considered a safe or dangerous level of radon?

• <div><p>No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.</p></div>

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 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>

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Verified Reviews for Radon Detection And Reduction pros in Ottawa, OH

*The Angi rating for Radon Detection And Reduction companies in Ottawa, OH 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 Ottawa, OH 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 March 24, 2026

Reviewed in March 2026
Alex, Josh, Dakota, and Sam with the amazing crew they had at our home did an amazing job and went above and beyond for us. Definitely will be reaching out to them if I need any more repairs!
Victors Home Solutions - Toledo
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Reviewed in September 2024
Wilson was a very fast and detailed worker. He always communicated back to me in a timely and professional manner. He was able to match exactly what our other garage floor had. Would definitely recommend!!
FloorTech
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Reviewed in August 2024
Valkyrie Ventures has been a great asset to our snow removal team at Croy's Mowing, Ltd. We hold high standards for the services we provide, and he consistently meets them. The work is always done promptly and with care, ensuring our properties look well-maintained, even during winter. We're...
Valkyrie Ventures
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Reviewed in July 2024
They was on time very respectful of the property did amazing work and communicated very well through the whole process I would definitely recommend these guys.. they even went to extra mile and blew off the driveway and sidewalk
The Green Guys Lawn Services
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Reviewed in April 2024
Roberts team was very friendly and communicated everything that was wrong what needed done to fix the issue. They fixed my plumbing issues which ended up being a big job of tearing up my concrete patio and replumbing under the house to my well and fixing the problems caused by previous...
ROBERTS SEWER SVC
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Reviewed in December 2023
Everything went well the crew were very nice and communicated with me daily I was here for the last few hours of the repairs and they all explained each person was doing the forman Juan went though all the steps and showed me what I needed to do after the repairs were done they did a very nice...
Everdry Waterproofing
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Reviewed in December 2023
These guy's are great to work with. They kept me updated throughout the project and accommodated all my visions! Made sure everything was placed correctly and worked properly before leaving.
B&J Contracting
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Reviewed in March 2023
It went great he was a friendly and nice guy to talk to and did a awesome job.
Warnimont Pressure Washing
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Reviewed in February 2023
Great guy and knows what he is doing!
High-Quality Construction
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Reviewed in September 2022
James was friendly and answered all my questions and what he had to do to take care of the problem that I had. He did fast and clean work. What I had was a emergency job and he got there and got to it as soon as possible. Thank you James. If it ever come down to it again with a problem on my...
Pride Custom Construction
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Find Radon detection and reduction specialists in Ottawa

Security First Home Inspections & Remediation

4.8(

)

Serving Ottawa, OH and surrounding areas

Free estimates

Credit card accepted

"I just put a brand new roof on my home and i called a security first inspection to come out and make sure it was done properly and he found major issues with the ventilation the roofers put on so it was worth my money to call someone out that did identify problems and i got it straightened out before it caused an issuea,"

Recommended by100%of homeowners

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JLW Roofing

New to Angi

Serving Ottawa, OH and surrounding areas

In business since 2022

Credit card accepted

Bob's Handyman Service LLC proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

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Radon Detection and Reduction questions, answered by experts

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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.

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

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

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 Ottawa, OH 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

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.
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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.
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.
Kyle Schurman
•
May 21, 2026May 21, 2026
How Does a Radon Mitigation System Work? And How Do You Keep Yourself Safe?
How does a radon mitigation system work? Learn more about how it pulls air and radon from the soil and expels it before it can enter your house.
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•
May 22, 2026May 22, 2026
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May 2, 2026May 2, 2026
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A home inspection is an investment in your property's health and longevity. Discover why a home inspection is important even if you don’t plan to sell.