Condos and Radon Testing

Do Condominiums need to be tested for radon? This is a question that comes up frequently and the answer is dependent on several factors so let’s address them all.

Since radon is the natural breakdown of uranium in rock and soil, floor level in a condominium matters when testing. Units closest to the ground will be those affected if radon levels are elevated.

Condo floor level in a multiple unit building will identify if radon testing is needed. For example, you have a high rise masonry building which has units in the basement and on the first floor, radon testing for these levels are recommended. Do you need to test the 7th or 8th floor for radon? If the buyer is concerned and peace of mind is obtained from testing, then test. Otherwise, it is highly unlikely there will be elevated levels at this height.

Are you purchasing half a multi-family home that has been converted to condos or a side by side townhome whereby there is living space in the lower level? This type of condominium is highly recommended to test for radon in the lowest level of living space. If there are any areas with a first floor slab on grade extension, then the first floor in this area should be tested as well since the structure is sitting directly on the slab which is in direct contact with the soil.

Some high end condos may have significant applications of granite and natural stone. In this situation, radon testing may be recommended. The EPA notes re: Granite Counter Tops and Radiation: Granite, like any other stone, may contain veins of naturally occurring radioactive elements like uraniumthorium, and their radioactive decay products.

For free standing condos that are actually single family homes in a maintained community setting with a full basement, test the basement as one would test a standard single family home.

Test Your Home…Protect Your Family!

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