Which homes can have a radon problem?

Any home: new or old, drafty or sealed, with or without a basement.

Start playing free

  1. Only homes with basements
  2. Any home, new or old, with or without a basement ✔
  3. Only old, drafty houses

Why: EPA says any home may have a radon problem. Radon from soil gas is the main cause, entering through cracks and other holes in the foundation.

Huh, didn't know that: In a small number of homes, building materials or well water can also give off radon.

The dad joke
What do you call a cute door? Adorable.
Like this card?
Play the game

References

Answer: Any home, new or old, with or without a basement. EPA says any home may have a radon problem. Radon from soil gas is the main cause, entering through cracks and other holes in the foundation.

  1. EPA: A Citizen's Guide to Radon (2016) www.epa.gov/sites/default/files/2016-12/documents/2016_a_citizens_guide_to_radon.pdf
    Any home may have a radon problem. This means new and old homes
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game