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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: 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 often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</p></div>

Q: How is radon gas abatement professionally handled?

• <div><p>Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Big Sur, CA

*The Angi rating for Radon Detection And Reduction companies in Big Sur, 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 Big Sur, 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 28, 2024

Reviewed in February 2024
On time and professionally executed.
KI Electrical Solutions
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Reviewed in September 2022
All out-of-state moves by Absolute Relocation Service are a total and complete rip-off! They keep increasing the price, sending one invoice after another, even though you paid, and threatening and extorting by not delivering your furniture. They delivered the furniture 12 days after what they...
Absolute Relocation Service LLC
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Reviewed in June 2022
We are on our second project with Coastscapes. This new one is pretty substantial with a garden area redesign, upgrades and new construction. We are very happy with the way it is turning out.
Coastscapes
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Reviewed in July 2016
kent is very detailed in his work and thinking. his work is well known in the local building and planning departments. when changes were needed he was quick to find a solution. he provided us with options to choose from and helped us think through the process. has a very positive attitude. he...
Kent Michael Knoll - designer
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Reviewed in June 2013
In addition to the leaky pump, I ordered 5 spa pillows. These also took 3-4 weeks after several reminders. When they arrived we stopped by to pick them up. We found they ordered both the spa pillows AND rubber mounts. We reminded them we had already ordered and installed the rubber backs from...
SPAS BY THE BAY
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Reviewed in December 2009
I've had 4 mechanics look at it. I called Victory several times, said they would have to check it out, they had never changed one. They said it would cost between $250-$300 to get take the car apart and get to the place to change the light bulb. The light bulb cost only $4. They said buyer...
Victory Toyota
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Find Radon detection and reduction specialists in Big Sur

Standish Inspections

4.8(

)

Serving Big Sur, 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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Radon Detection and Reduction questions, answered by experts

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.

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.

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

Installation typically takes 1-2 days, depending on the system and property layout.

The Big Sur, 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

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Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
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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.
Jacqueline DeMarco
•
May 2, 2026May 2, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Rachel Hoffman
•
May 2, 2026May 2, 2026
9 Reasons You Should Get a Home Inspection
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.
Angi
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May 21, 2026May 21, 2026
How to Hire a Radon Mitigation Service
Need to find a qualified radon mitigation service? Learn how to hire the right pro, from certifications to questions to ask, to protect your home.