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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: Why is radon gas abatement necessary for homes?

• <div><p>Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.</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: 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 much does it cost to replace a radon fan?

• <div><p>The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in King City, CA

*The Angi rating for Radon Detection And Reduction companies in King City, 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 King City, 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 November 20, 2025

Reviewed in November 2025
Had to replace my toilet and garbage disposal he responded very quickly and had both replaced in a very timely manner. Great customer service and the price was reasonable will definitely call him again.
Brewer Plumbing Solutions
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Reviewed in August 2025
Maplewood Landscaping did a commercial landscape install at our daycare facility and we were very happy with the results. Their pricing was honest, and Cesar, the project manager, kept great communication throughout the entire process. The work was completed professionally and on time. We look...
Maplewood Landscaping, Inc.
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Reviewed in April 2025
Velasco Landscaping did an amazing job installing pavement at my property! From start to finish, the team was professional, efficient, and detail-oriented. The quality of the work exceeded my expectations, and the finished pavement looks fantastic—clean lines, solid craftsmanship, and it’s built...
Velasco Landscaping
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Reviewed in August 2024
Golden State Roofing exceeded all my expectations. From start to finish, their professionalism, attention to detail, and quality of work were outstanding. They communicated clearly throughout the entire process and made sure everything was done on time and to the highest standard. The team was...
GOLDEN STATE ROOFING GROUP INC.
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Reviewed in July 2022
It was great working with this business and all work went smooth while I did not have to worry about anything, and end results were satisfactory.
Izzy's Handyman Services
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Reviewed in April 2021
I had a new roof and a high efficient hot water heater installed. I’m extremely happy with both. Every single person I had contact with was so professional, courteous, knowledgeable and clean. I would use them again for anything I should ever need for my home. I understand they do windows and...
Bright Home Energy Services
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Reviewed in August 2020
Called on a Sunday afternoon, . Came out, ran my mainline for sewer. Great job and fast
Mr. Fix It Repairs - Unlicensed Contractor
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Reviewed in December 2019
very good work and clean up was great afterwards.
Gilbert M Rosas Tile - Unlicensed Contractor
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Reviewed in March 2019
I had been having a very difficult time finding someone to do this job. We are located in a rural area and needed a residential panel changed out to an ag panel. I went on Home advisors and filled out the information and as soon as I submitted it I recieved a call from Linx Electrix. He said he...
Link Electrix
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Reviewed in October 2018
Rafael was on time, totally professional , did what he said he was going to do and did it correctly. I would use him again. And is a very nice man that loves what he does and takes pride in a job well done.
Water Heaters Plumbing and Drains
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Find Radon detection and reduction specialists in King City

MG Remediation, Inc.

3.3(

)

Serving King City, 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."

Response time4 days

Recommended by80%of homeowners

Serving King City, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"They were very thorough and professional. I was very pleased with them."

Recommended by100%of homeowners

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A.K.I.I.

New to Angi

Serving King City, CA and surrounding areas

In business since 2003

Free estimates

K.T.W. Land Development provides local area consumers with superior quality land development and construction services. With years of experience in the industry, you can be sure your project will be handled promptly and professionally. Call K.T.W. Land Development today to schedule an appointment for your project estimate!

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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.

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

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

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 cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

The King City, 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.

See all articles

Alison Kasch
•
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.
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.
Amy Freeman
•
Apr 5, 2026Apr 5, 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
•
Apr 10, 2026Apr 10, 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.
Audrey Bruno
•
May 3, 2026May 3, 2026
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.