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*The Angi rating for Radon Detection And Reduction companies in Selma, CA 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 Selma, CA 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 February 20, 2026

Find Radon detection and reduction specialists in Selma

Avatar for MG Remediation, Inc.
MG Remediation, Inc.
3.3(
8
)
Radon Gas - Abatement

Serving Selma, CA and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: Quick response

"Peter and his team at MG Remediation are professionals. They did everything they told me they would do and the radon levels dropped significantly. Great communication, too, which always matters."
Vapor Intrusion for VOC and Radon
Cleaning
Cleaning
Testing
Testing & Abatement

+4

Response time4 days
Recommended by80%of homeowners
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Avatar for Plata Construction
Plata Construction
4.4(
21
)
Radon Gas - AbatementRadon Gas - Testing

Serving Selma, CA and surrounding areas

In business since 2003

Free estimates

"My background is 35 years construction and after hiring Jeremy Plata (Plata Construction) to remodel my office, I knew right away I hired the right contractor!! Very affordable but high quality performance!!! I was very impressed at how well Jeremy coordinated his crews to meet my deadline and the job turned out amazing. Terry King"
Plumbing Project
Plumbing Project
Plumbing Project
Additional Photos
Additional Photos

+12

Recommended by89%of homeowners
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Avatar for Central Valley Water Restoration
Central Valley Water Restoration
5.0(
5
)
Radon Gas - Testing

Serving Selma, CA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Tiko and Central Valley Water Restoration got to my house within an hour of me calling and they dried the house up and demolished what needed to be demolished and built it back up . They were fast and amazing. They truly care about the customer."
Water Mitigation
Water Mitigation
Water Mitigation
Water Mitigation
Water Mitigation

+27

Recommended by80%of homeowners
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Radon Detection and Reduction questions, answered by experts

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

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.

Installing a mitigation system reduces radon levels, which can cause lung cancer, providing peace of mind and long-term health benefits. It can also increase your home’s value, as many buyers prefer properties with radon safety measures in place. The investment is relatively low compared to the potential health risks associated with prolonged radon exposure.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

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.

The Selma, CA 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.

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