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Verified Reviews for Radon Detection And Reduction pros in Gig Harbor, WA

*The Angi rating for Radon Detection And Reduction companies in Gig Harbor, 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 Gig Harbor, 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 May 21, 2026

Find Radon detection and reduction specialists in Gig Harbor

Avatar for 5 Microns Inc.
5 Microns Inc.
4.9(
74
)
Radon Gas - Testing

Serving Gig Harbor, WA and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

"I am very pleased with service from 5 Microns. They were quick to communicate, showed up on time, very professional and promptly shared the test results."
Vinyl sheeting asbestos test
Wall asbestos test
Asbestos air test
Mold and moisture testing
Mold air test

+32

Response time3 hrs
Response rate98%
Recommended by100%of homeowners
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Avatar for The Home Private Investigator/Home P.I., LLC
The Home Private Investigator/Home P.I., LLC
4.7(
60
)
Radon Gas - Testing

Serving Gig Harbor, WA and surrounding areas

Approved

In business since 2005

Emergency services offered

Credit card accepted

"A very good service by a very good guy. He was available to answer questions and exceeded my expectations. Highly recommend."
OUR WORK
OUR WORK
OUR WORK
Response time3 hrs
Recommended by94%of homeowners
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Avatar for BranDan Home Solutions
BranDan Home Solutions
5.0(
5
)
Radon Gas - AbatementRadon Gas - Testing

Serving Gig Harbor, WA and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"I have 3 pets and their hair is literally everywhere... Dan and Brandon cleaned out our vents and helped us breathe easier! I will definitely call these guys again due to their outstanding manners and professionalism. Not to mention a job well done!"
BranDan Home Solutions
7 neighbors recently requested a quote
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Avatar for AL-KI HOME INSPECTIONS LLC
AL-KI HOME INSPECTIONS LLC
5.0(
2
)
Radon Gas - Testing

Serving Gig Harbor, WA and surrounding areas

In business since 2025

Free estimates

Al-KI Home Inspection is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

Response time3 hrs
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Palm Construction and Remodeling Inc.
4.2(
88
)
Radon Gas - AbatementRadon Gas - Testing

Serving Gig Harbor, 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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Avatar for Diversified Crawlspace Services
Diversified Crawlspace Services
4.5(
13
)
Radon Gas - AbatementRadon Gas - Testing

Serving Gig Harbor, WA and surrounding areas

"RatSlab specializes in offering Crawl Space, Rat & Rodent Removal Services that are cost-effective, reliable and efficient in controlling premises area from rats and mice."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+61

Recommended by84%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
1.8(
4
)
Radon Gas - Abatement

Serving Gig Harbor, WA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

SWAT Environmental is the nation's largest radon abatement engineer. Our experienced staff has corrected radon problems for over 60,000 customers since 1988 with 100% success!

Recommended by50%of homeowners
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Showing 1-10 of 13
Radon Detection and Reduction questions, answered by experts

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.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

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 enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

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 Gig Harbor, 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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