County law requires that a radon test be performed up to one year prior to the settlement date for single-family homes and townhomes located in the County. This requirement is contained in Chapter 40 of the County Code, as amended by County Bill 31-15, Sale of Real Property.

For further information about Radon testing, including what homes must be tested, who must perform the test, when the test must be performed, etc., please click on the link below.