Air Quality Division
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5.0(1)
Radon Mitigation in Bismarck, ND
Compare 28 radon mitigation contractors near you in Bismarck 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 23, 2026
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Other Businesses in This Area
Balancing Professionals Inc
14+ years onlineAce Inspections
5.017½+ years onlineActive Radon Management
5.010½+ years onlineAdvanced Radon Solutions
5.02½+ years onlineALO Radon
5.0~6 years onlineBetter Home Inspections
5.029 years onlineDakota Radon Services
5.0Deuces Wild Septic Service
4.910 years onlineRadon Remedies, LLC
4.910½+ years onlineDakota Radon Mitigation
4.814 years onlineSERVPRO of Bismarck
4.829 years onlineValley Radon Mitigation Inc
4.7A1 Home Inspections
4.615+ years onlineDakota Fire and Water Restoration
4.66+ years onlineBadlands Environmental Consultants Inc.
4.5~18 years onlineRadon Mitigation in Nearby ND Cities
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About Radon Mitigation in Bismarck
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 Bismarck?
- 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 Bismarck?
- 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 Bismarck?
- 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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