When it comes to radon, it is important for Colorado property owners to be aware of the risk and radon levels in their buildings. In the context of a real estate transaction, however, it is also important for sellers, lenders, and developers to know about the risks of radon, what it means for their deal, and how to assess and mitigate their risk of liability from high levels of radon via Radon Testing.
Written by Partner ESI’s Richard Morgan and published in the Colorado Real Estate Journal.

June 06, 2025
In March 2025, the Federal Housing Finance Agency (FHFA) rescinded its 2022 directive that had imposed standardized radon testing requirements on all multifamily properties financed through Fannie Mae and Freddie Mac. The new radon policy was effective immediately; however, the agency guidance documents would be updated at a later date.

April 23, 2025
State and Local Regulations Will Continue to Drive Fannie Mae and Freddie Mac Radon Testing Practices By Pamela Horne, Environmental Technical Director of Agency Services, and Shavaun Cotter, Technical Director, […]

June 20, 2025
State-by-State Radon Testing Compliance & Lender Guidance Downloadable Interactive Map: Download and save to use interactive features. Then, for more info, hover over states and definitions.




