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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 is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.</p></div>

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: 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: How long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Harrah, OK

*The Angi rating for Radon Detection And Reduction companies in Harrah, OK 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 Harrah, OK 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 June 04, 2026

Reviewed in June 2026
4U Roofing did a really fantastic job coordinating with the adjuster and insurance company to file supplements and discuss the home owners needs. They removed ALL the worry and hassle of having to do that. It's their business and they know how to work for the home owner when insurance is...
4 U Roofing & Construction LLC
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Reviewed in May 2026
Traviyon was efficient and great
Bulwark Exterminating - Oklahoma City
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Reviewed in February 2026
Ron and his team did a great job! I had an enormous mostly dead tree right off my back porch and they were able to quickly and professionally remove it. I am very pleased with the results. Thanks, Ron!!
B&R Family Mowing, Handyman and Tree Service
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Reviewed in May 2025
We had tree trimming, removal of many tree stumps, and cutting down a partially cut tree. They did an excellent job and even hauled away the debris.
Salas Tree Service, LLC
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Reviewed in April 2024
We have used Jack and Leona to remove 8 very large trees and trim several. They preformed miracles removing from crazy places with zero damage. Cleaned up and left like they were never here.
J and L Tree Service
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Reviewed in April 2024
Eric called me within an hour or two after I had solicited multiple bids from various contractors and arrived on site less than an hour after our initial communication. Eric and Mindy arrived the next day and completed our shrub removal project quickly and professionally. All debris was hauled...
Custom Tree Service
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Reviewed in January 2024
Ron,his foreman and all his crew did an excellent job removing my tree and the stump. Cleanup was great . I highly recommend this company.
B&R Family Mowing, Handyman and Tree Service
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Reviewed in December 2023
Jayden was on time, cleaned up after and a job well done. Would highly recommend him for tree removal and will use him again.
Patriot Tree Service
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Reviewed in September 2023
Called these guys out to remove an iron fence and a tree for me! I came home and everything was gone. Stump had been grounded down, and everything was cleaned up. You would have had no idea anything was ever there. Great work!
Sooner State Tree Service, LLC
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Reviewed in October 2021
LGC was the only company out of five referred that contacted me and it was on a Sunday. They came out Monday to give a quote. It was reasonable and had great equipment and ground the stump right then. They were quick, thorough, courteous, and cleaned up. I will use LGC for all future tree issues.
LGC Tree Service, LLC
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Find Radon detection and reduction specialists in Harrah

A-1 Inspections, LLC

5.0(

)

Serving Harrah, OK and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Joseph is the only inspector I use. He is very professional and friendly. Joseph is always on time and is very happy to answer any questions."

+19

Response time8 hrs

Recommended by100%of homeowners

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Marshall Environmental Management - Home Facebook

New to Angi

Serving Harrah, OK and surrounding areas

In business since 1987

Free estimates

Credit card accepted

We are the premier professional industrial hygiene and consulting company in Oklahoma City. We specialize in asbestos, indoor air quality, lead and occupational monitoring. We offer the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. \n\nMold Inspections start at $550. Please call us today to schedule your appointment!

Response time1 day

Response rate100%

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Hercs Construction Services LLC

New to Angi

Serving Harrah, OK and surrounding areas

In business since 2020

Free estimates

Offers commercial services

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!

Response time20 mins

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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 soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

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

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.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

The Harrah, OK 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

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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.