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Q: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</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: 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: What level of radon is considered safe or dangerous?

• <div><p>No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. 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 action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.</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 Marina, CA

*The Angi rating for Radon Detection And Reduction companies in Marina, 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 Marina, 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 December 09, 2025

Reviewed in December 2025
The electricians who came by went above and beyond to diagnose issues beyond what I was looking to fix/replace. They explained their process and findings in easy-to-understand terms and completed the job on the same day.
Lecce Electric
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Reviewed in July 2025
I reached out to Monterey Vista Termite Control to get an estimate on fumigation, and though I reached out on a Saturday over a holiday weekend, Andy got back to me immediately on that same day, answered all our questions, and immediately provided us with an estimate that was lower than the...
Monterey Vista Termite Control
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Reviewed in February 2025
Trejos landscaping and gardening has completed several projects for us and provide regular maintenance. They have installed a new sprinkler system, and redesigned our side yard, installing some edging and wood chips and mulch around our rose bushes. They have transformed our front yard and we...
Trejo's Landscaping & Gardening, LLC
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Reviewed in October 2024
I was needing assistance with a sewer lateral inspection and Monterey Coastal Plumbing & Remodeling company were able perform the inspection and even complete the repairs. I’m very happy with their work!
Monterey Coastal Plumbing & Remodeling
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Reviewed in September 2024
Kelly Ray is a doer. What she says She does and does it well. I told her I did not want to do any of the project, the work, and I did not need to. From start to finish it was all her and I was happy to pay. 5*****
Organizer 4 Hire
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Reviewed in July 2024
I recently had A&A Tree Care remove a 100-foot Monterey pine tree that was situated between my house and my neighborâ s house. From start to finish, the service was exceptional. Andy and his team were incredibly professional and took every precaution to ensure the safety of both properties....
A & A Tree Care
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Reviewed in May 2023
Exemplary Service and Impeccable Results: A Stellar Experience with Clear Water Source I recently had the pleasure of working with Clear Water Source,, for the installation of a water softener system and reverse osmosis in my home, and I am thrilled to say that my experience was nothing short...
Clear Source Water Treatment
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Reviewed in May 2023
Gil Tree Service did an excellent job removing 3 Palm Trees in one day. He showed up on time and everything was handled professionally and at a reasonable cost. Joel and crew left the site cleaned up perfectly on a windy day. I recommend his services and will hire him again in the future.
Gil Tree Service
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Reviewed in June 2022
Very efficient and knows what they are doing
Westco Rooter
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Reviewed in September 2021
When I consulted with Mark and Juan for the project, they arrived on time and the meeting was efficient as both of the parties are busy on a daily schedule. Once I was provided the proposal I had no further question asked. It all included everything I needed and the proposal was very organized....
Pioneer landscape
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Find Radon detection and reduction specialists in Marina

Standish Inspections

4.8(

)

Serving Marina, 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

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

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

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

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. 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 action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

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 Marina, 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

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.
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.
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.
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.
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.
Kyle Schurman
•
Apr 8, 2026Apr 8, 2026
How Long Does a Radon Mitigation System Last?
How long does a radon mitigation system last? A properly installed and maintained system can last 20 years or more, but various issues can reduce the life span.