Microbial Remediation Solutions Inc.
Verified Pro
7½+ years online5.0(3)
Radon Mitigation in Everett, WA
Compare 33 radon mitigation contractors near you in Everett and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 24, 2026
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About Radon Mitigation in Everett
Radon mitigation reduces radon gas levels in buildings, typically through sub-slab depressurization — a system that creates suction beneath the foundation to draw radon gas out before it enters living spaces. Radon is the second leading cause of lung cancer after smoking.
Typical costs: A standard sub-slab depressurization system runs $800–$2,500 installed. More complex situations (crawl spaces, multiple suction points) can be $2,000–$4,000. Radon testing before and after is typically included.
Common projects include:
- Sub-slab depressurization system
- Crawl space radon mitigation
- Radon testing and monitoring
- Sump pit sealing and venting
- New construction radon-resistant design
Many states require radon mitigation contractors to be specifically certified. Permits may be required for the system installation depending on jurisdiction.
Frequently Asked Questions
- How much does radon mitigation cost in Everett?
- Most homes can be mitigated for $800–$2,500 with a sub-slab depressurization system. This includes the fan, PVC piping, sealing, and post-mitigation testing. The system runs continuously and costs about $50–$100/year in electricity. More complex jobs (crawl spaces, multiple foundation types) run $2,000–$4,000.
- How do I find a reliable radon mitigation contractor in Everett?
- Use a certified radon mitigator (NRPP or state-certified). They should test before and after installation and guarantee results below 4 pCi/L (the EPA action level). Ask about fan warranty and what happens if the system doesn't achieve target levels.
- Do I need a permit for radon mitigation in Everett?
- Requirements vary by state. Many states require radon contractors to be certified (not just licensed). Some require permits for the penetration through the foundation slab. Check your state's radon program for specific requirements.
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