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Radon Mitigator
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Every professional is NRPP or NRSB certified — mitigators only, not testers. Search free. Verify credentials. Get your home safe.
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EPA Zone 1
High-Radon States
States where average indoor radon exceeds 4 pCi/L
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How It Works
Getting your home safe takes three steps
Step 01
Search Your State
Find certified mitigators near you. Every listing is NRPP or NRSB verified — mitigators only.
Step 02
Compare & Contact
View credentials, verify certification status, and get quotes from multiple professionals.
Step 03
Breathe Easy
Professional installation takes one day. Radon levels drop immediately. Follow-up test confirms results.
Why RadonBase?
Most directories mix testers and mitigators and don't verify anyone. We're built differently.
Mitigators Only
Every pro on RadonBase is certified to fix radon — not just measure it. No testers mixed in.
Verified Credentials
Every listing is cross-checked against NRPP and NRSB. Certifications are real, current, and confirmed.
All 50 States
From high-radon Iowa and Colorado to lower-risk coastal states — certified pros in every state.
Free for Homeowners
No account. No spam. No lead auction. Just find a mitigator and get your home safe.
For Professionals
Are You a Certified Mitigator?
Your listing is already live. Claim it free to add contact details — or upgrade to Featured for top placement and exclusive leads.
Claim Your Free ListingFor DIYers
Fix It Yourself?
Professional-grade RadonAway fans, complete DIY kits, Airthings monitors — everything shipped to your door.
Shop EquipmentFrom the Blog
Real guides for homeowners — no fluff
6 min read
How Much Does Radon Mitigation Cost in 2026?
Slab jobs run $800–$2,500. Crawl spaces are $2,500–$8,000+. Here's the real breakdown by foundation type, region, and what drives costs up.
Read
7 min read
Crawl Space Radon Mitigation: Cost, Process, and What to Expect
Crawl space radon jobs cost $2,500–$8,000+ — far more than slab jobs. Here's exactly why, what's involved, and what legitimate contractors include.
Read
5 min read
What Is Radon Mitigation? A Homeowner's Complete Guide
Radon is the second leading cause of lung cancer in the US. Learn what radon mitigation is, how it works, and when you actually need it.
Read
Your Home Deserves
Certified Protection
Radon causes 21,000 lung cancer deaths every year. One test, one certified mitigator, one day of work — and your home is safe for life.