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Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</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 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: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

Q: What steps should be taken if high radon levels are detected?

• <div><p>If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Arlington, WA

*The Angi rating for Radon Detection And Reduction companies in Arlington, WA 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 Arlington, WA 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 21, 2026

Reviewed in February 2026
We had an issue with raccoons around our house and they took care of it quickly. They showed up on time, explained what was going on, and handled everything professionally. I appreciated that they made sure the problem wouldn?t happen again. Overall, had a good experience and I?d call them...
Guardian Wildlife Solutions
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Reviewed in October 2025
I live in Marysville and Stanwood Camano Roofing came right out when I called. They were fast, professional, and did great work. Highly recommend!
Stanwood Camano Roofing
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Reviewed in September 2025
We hired Welch Tree Service in Arlington to cut down four trees of different sizes on our property, and we couldn't be more delighted with the results. From the very beginning, communication was clear and professional. They showed up on time, walked us through the plan, and made sure we felt...
Welch Tree Service LLC
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Reviewed in May 2025
Plesant and professional. We would recommend Vector Pest Control and use this company again should the need arise.
Vector Pest Control, LLC
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Reviewed in January 2025
I requested 300 feet of a farm fence that was covered in blackberry vines to be cleared of those vines. There were also downed trees over the fence that had to be cut and pulled off, with 3 feet of cleared space on each side of that fence. Roots and shoots sent me Jolene. She was totally...
Roots to Shoots, LLC
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Reviewed in December 2024
We had a large area to be cleared and leveled. Daryl with Graystone tractor was amazing. Did a great job and very affordable. We will be using him again.
Graystone Solutions LLC DBA Graystone Tractor Services
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Reviewed in November 2024
With the recent wind storm our fence blew down and Kyle came out and gave us a fair estimate on our fence repair he was quick and easy to work with Highly recommend Timberland builders llc
Timberland Builders, LLC
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Reviewed in March 2024
Great tree removal and stump grinding very professional polite and cleaned it all up
Pacific Coast Stump Grinding General Contractors, LLC
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Reviewed in December 2022
Ben, Bill and their team did an excellent job. They cut down our dead alder tree that was near our fence line. They were very quick and professional and they cleaned up all debris from the dead alder tree. We're very pleased with their work and it was a pleasure doing business with them. We...
Lumber Maks
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Reviewed in October 2022
They did an excellent job and cleanup was perfect. Would definitely use again and recommend to anyone needing tree removal or trimming.
Chandler's Tree & Stump Services, Inc.
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Find Radon detection and reduction specialists in Arlington

Serving Arlington, WA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Great, Colby did a great job and helped me understand the whole pricess as well as the insurance side so i was fully i formed the entire time"

+23

Response time4 hrs

Response rate100%

1 neighbors recently requested a quote

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Element Environmental

New to Angi

Radon Gas - AbatementRadon Gas - Testing

Serving Arlington, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Offers commercial services

Element provides a wide range of professional services in the areas of Environmental Consulting, Water Resource Evaluation, UXO Support, and Engineering Design. Element provides the personal attention and flexible decision making capabilities of a small business while providing the breadth of expertise and experience of a large firm.

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Environmental Technology Consultants

4.9(

)

Radon Gas - Testing

Serving Arlington, WA and surrounding areas

In business since 1997

Free estimates

"They were very honest & told us we didn't have black mold and needed a dehumidifier. I would very certainly recommend them for their honesty"

Recommended by100%of homeowners

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Palm Construction and Remodeling Inc.

4.2(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Arlington, WA and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"Palm Construction recently replaced roof on my house and it was a great experience to work with Lee and his well organized team from Palm Construction. They did excellent job and my roof passed inspection with no issues. The quality of work and materials is excellent and my new roof looks fantastic. Also my whole house looks mush better now. Thanks!"

Response time2 days

Recommended by90%of homeowners

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SWAT Environmental, Inc.

1.8(

)

Radon Gas - Abatement

Serving Arlington, WA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"The work was fine, I haven't retested yet."

Recommended by50%of homeowners

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All Pacific Northwest, LLC

5.0(

)

Radon Gas - Abatement

Serving Arlington, WA and surrounding areas

In business since 2025

Free estimates

Credit card accepted

"I had a great experience with All Pacific Northwest LLC. They came to remove the vinyl from my bathroom and were punctual and very professional from start to finish. The team communicated clearly and respectfully, explaining each step of the process before starting the work. They were also very kind and courteous throughout. I highly recommend their services for their quality, reliability, and excellent customer service."

Response time3 days

Response rate100%

Request Quote

Radon Detection and Reduction questions, answered by experts

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

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.

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.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

The Arlington, WA 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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