The Indoor Radon Program, within the Environmental Management Branch, seeks to
reduce the health risk from radon exposure by increasing awareness, identifying
areas of high radon potential, and encouraging all Californians to test their
homes for radon, fix their homes if they have a radon problem, and build new
homes radon-resistant. Test. Fix. Save a
Free Radon Test Kits for California Residents
January is National Radon Action Month, and is the perfect time to test your home for radon gas. All California households can request a free test kit from our partner laboratory, Alpha Energy Labs, while supplies last. Please allow 4-6 weeks for delivery. Your test results remain confidential, and may help in determining whether your home is at risk for exposure to elevated levels of radon gas.
Radon Potential Map
The California Geological Survey has released an interactive web
map providing radon potential information for areas of California with
completed radon potential maps. Downloadable GIS
data for each study area can now be downloaded through the interactive
Contact the radon program at email@example.com
(email) or 1-800-745-7236 (telephone).