Homeowner radon guide
Radon testing cost
Testing is the only way to know the radon level in an individual home.
Professional testing
Professional testing cost can vary with the device, laboratory processing, travel, transaction requirements, and local availability.
DIY testing
Device price, postage, laboratory analysis, and test duration can affect the total. Check exactly what is included before purchasing a kit.
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.