Contact
Contact Radon by ZIP
Corrections, suggestions for new guides, and questions about the tools are all welcome. We usually reply within a few business days.
Before you write
We cannot interpret a lab report for a specific home or recommend a contractor. Your state radon program (linked on every state page) can help with both. We welcome corrections to county data, especially where a state has newer testing data we should link.
You can also email hello@radonbyzip.com. If you are reporting an error, a link to the official source helps us fix it fast.