Residential Dwelling Age

map image noting difference dwelling build dates.

Structure age is highly correlated with lead exposure risk. According to published reports [1], older homes are more likely to contain lead paint. The likelihood of lead paint is dependent on the age of the structure. Since. Therefore, the age of a structure is related to the probabilities of lead dust presence. And, lead dust is the prevalent contributing factor leading to an increase in blood lead levels [2].

Older Homes are More Likely to Contain Lead-Based Paint

dwelling construction datepercentage of homes containing lead-based paint
before 193987%
1940 to 195969%
1960 to 197724%
1978 or later7%