Builders and Contractors
Directory Registration - Introduction
Tools You Can Use
List of State Building Code Associations
Listing of State and/or Local Jurisdictions that have RRNC Codes
Contact Your State Radon Coordinator, Find More State-by-State Resources
All homes should be tested for radon. Learn about the health risks associated with radon.

The Directory provides an opportunity for builders who are using RRNC techniques to reach home buyers who are looking for new homes that may reduce exposure to radon. The Directory is a one-stop service for home buyers looking to find builders using RRNC techniques.
Some builders incorporate RRNC techniques voluntarily while others do it to meet code requirements. EPA encourages all builders who use the recommended radon-resistant techniques to be listed in the new Radon Resistant New Construction Directory of Builders.
EPA is not endorsing or promoting any individual builder or home. The information on the Directory pages is provided as a public service.
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