ACS data has several housing categories house_prc_built_before_1929 house_prc_built_1929_1939 ... house_prc_built_1969_1979 create a feature called house_prc_before_1980 that aggregates all these features into one feature.
ACS data has several housing categories
house_prc_built_before_1929
house_prc_built_1929_1939
...
house_prc_built_1969_1979
create a feature called house_prc_before_1980 that aggregates all these features into one feature.