Homeowner radon guide
What does 4 pCi/L mean?
A result is evidence for decision-making, not a diagnosis of immediate symptoms.
Confirm the context
Review test duration, placement, building conditions, and whether follow-up testing is appropriate.
Discuss next steps
A qualified professional can explain testing or mitigation options without treating the number as an automatic price multiplier.
What to do next
Use the cost estimator for planning or search for professionals whose recorded service area matches your ZIP code.
Content reviewed 2026-08-20. Educational information only; testing and a property-specific assessment are still required.