By Victoria Cardona & Jake Wegleitner, published on GlobeSt.com on July 30, 2024
Just over a year ago, the Federal Housing Finance Authority (FHFA) implemented new standards for radon screening for Fannie Mae and Freddie Mac multifamily loans. Sampling requirements increased from 10% of ground floor units to 25% of ground floor units. Naturally, sampling more units leads to discovering more units with elevated radon levels, which translates to more need for radon mitigation. Buyers of multifamily properties, as well as their lenders, should know what to expect when faced with a radon mitigation project.
In this Globe St. article, Victoria Cardona and Jake Wegleitner, discuss the state of multifamily radon regulations one year later.

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In March 2025, the Federal Housing Finance Agency (FHFA) rescinded its 2022 directive that had imposed standardized radon testing requirements on all multifamily properties financed through Fannie Mae and Freddie Mac.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.






