
Accurate Testing

Clean, Code-Aware Installs

Post-Mitigation Verification
What to Expect
O’Fallon has thousands of homes built with full basements. Radon levels in St. Charles County frequently exceed EPA recommendations.
Testing is not optional during a transaction — and it shouldn’t be casual for homeowners either.
Radon Ninjas provides professional radon testing designed to hold up under inspection and negotiation.
How We Handle {Service} in {City}
O’Fallon homes typically include:
• Finished basements
• Sump-connected drain tile systems
• Builder-grade slab penetrations
• Walk-out foundations in newer subdivisions
Our testing process includes:
• Proper monitor placement in the lowest livable level
• 48-hour compliant testing
• Tamper-resistant continuous monitoring
• Fast digital reporting for agents and buyers
In competitive O’Fallon transactions, clean documentation matters.
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FAQs for local homeowners
How long does testing take?
Standard real estate testing runs 48 hours.
Are radon levels common in O’Fallon?
Yes. Many homes test above 4.0 pCi/L.
How fast are reports delivered?
Typically within 24 hours of test completion.
Next Steps
1
Schedule
Book online in minutes or call. Real-estate timeline friendly—fast scheduling and clear documentation.
2
Test / Inspect
We run the appropriate test or evaluate the home and existing conditions. Photos and measurements are documented as needed.
3
Results + Plan
You get clear results and next steps. If mitigation is needed, we outline the cleanest option and verify performance.

